[Quirks mode only] "Do not trim trailing whitespace followed by <br>"…

… quirk causes lines to stretch

https://bugs.webkit.org/show_bug.cgi?id=139199

Reviewed by Antti Koivisto.

Remove legacy quirk (now we match blink and gecko).

(table-col-indent-crash.html change is specific to -webkit-user-modify)

* Source/WebCore/layout/formattingContexts/inline/InlineFormattingQuirks.cpp:
(WebCore::Layout::InlineFormattingQuirks::shouldPreserveTrailingWhitespace const): Deleted.
* Source/WebCore/layout/formattingContexts/inline/InlineFormattingQuirks.h:
* Source/WebCore/layout/formattingContexts/inline/InlineLineBuilder.cpp:
(WebCore::Layout::LineBuilder::close):

Canonical link: https://commits.webkit.org/263291@main

LayoutTests/accessibility/mac/table-relative-frame-expected.txt

@@ -9,7 +9,7 @@ This test ensures we compute the relative frame of table objects correctly.
 
 { AXRole: AXStaticText AXValue: Ruritanian } has AXRelativeFrame: NSRect: {{191, 33}, {77, 18}}
 
-{ AXRole: AXStaticText AXValue: Population  } has AXRelativeFrame: NSRect: {{190, 51}, {80, 18}}
+{ AXRole: AXStaticText AXValue: Population } has AXRelativeFrame: NSRect: {{192, 51}, {76, 18}}
 
 { AXRole: AXStaticText AXValue: Survey } has AXRelativeFrame: NSRect: {{205, 69}, {49, 18}}
 
@@ -101,7 +101,7 @@ Moving the table down by 3000px and scrolling down 500px.
 
 { AXRole: AXStaticText AXValue: Ruritanian } has AXRelativeFrame: NSRect: {{184, 2525}, {77, 18}}
 
-{ AXRole: AXStaticText AXValue: Population  } has AXRelativeFrame: NSRect: {{182, 2543}, {80, 18}}
+{ AXRole: AXStaticText AXValue: Population } has AXRelativeFrame: NSRect: {{184, 2543}, {76, 18}}
 
 { AXRole: AXStaticText AXValue: Survey } has AXRelativeFrame: NSRect: {{198, 2561}, {49, 18}}
 

LayoutTests/editing/execCommand/format-block-from-range-selection-expected.txt

@@ -36,7 +36,7 @@ after FormatBlock:
 |   "\ndar"
 |   <br>
 |   "\n"
-|   "yar<#selection-focus>"
+|   "ya<#selection-focus>r"
 | "\n"
 | "\n"
 | "\n"

LayoutTests/editing/execCommand/insert-image-in-composed-list-expected.txt

@@ -1,2 +1,2 @@
-Test passes if it does not crash. 
+Test passes if it does not crash.
 

LayoutTests/editing/execCommand/remove-list-items-expected.txt

@@ -1,7 +1,7 @@
 EDITING DELEGATE: shouldBeginEditingInDOMRange:range from 0 of DIV > BODY > HTML > #document to 7 of DIV > BODY > HTML > #document
 EDITING DELEGATE: webViewDidBeginEditing:WebViewDidBeginEditingNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 0 of OL > DIV > BODY > HTML > #document to 0 of OL > DIV > BODY > HTML > #document toDOMRange:range from 0 of SPAN > DIV > BODY > HTML > #document to 0 of SPAN > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
+EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 0 of OL > DIV > BODY > HTML > #document to 0 of OL > DIV > BODY > HTML > #document toDOMRange:range from 0 of #text > DIV > BODY > HTML > #document to 0 of #text > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
@@ -13,17 +13,17 @@ EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 0 of OL > DIV > BODY >
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 14 of DIV > BODY > HTML > #document to 14 of DIV > BODY > HTML > #document toDOMRange:range from 0 of #text > DIV > BODY > HTML > #document to 0 of #text > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
+EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 13 of DIV > BODY > HTML > #document to 13 of DIV > BODY > HTML > #document toDOMRange:range from 0 of #text > DIV > BODY > HTML > #document to 0 of #text > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 14 of DIV > BODY > HTML > #document to 14 of DIV > BODY > HTML > #document toDOMRange:range from 14 of DIV > BODY > HTML > #document to 14 of DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
+EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 13 of DIV > BODY > HTML > #document to 13 of DIV > BODY > HTML > #document toDOMRange:range from 13 of DIV > BODY > HTML > #document to 13 of DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
 This test checks to see that Insert{Un}OrderedList can remove items from a list, can remove empty list when they are emptied, and can remove content from orphaned list items.
 
 foo
-This should not be a list. 
+This should not be a list.
 
 bar
 baz
@@ -33,4 +33,4 @@ This should not be in a list.
 bar
 This should not be in a list.
 This should not be in a list.
-<ol style="border: 1px solid red;"> <li>foo</li> </ol><span id="item1">This should not be a list.</span>&nbsp;<br><ol style="border: 1px solid red;"><br> bar <li>baz</li> </ol>This should not be in a list.<br><ol style="border: 1px solid red;"><li>foo</li> </ol>This should not be in a list.<br><ol style="border: 1px solid red;"> <li>bar</li> </ol> This should not be in a list.<br>This should not be in a list.
+<ol style="border: 1px solid red;"> <li>foo</li> </ol>This should not be a list.<br><ol style="border: 1px solid red;"><br> bar <li>baz</li> </ol>This should not be in a list.<br><ol style="border: 1px solid red;"><li>foo</li> </ol>This should not be in a list.<br><ol style="border: 1px solid red;"> <li>bar</li> </ol> This should not be in a list.<br>This should not be in a list.

LayoutTests/editing/execCommand/switch-list-type-expected.txt

@@ -1,7 +1,7 @@
 EDITING DELEGATE: shouldBeginEditingInDOMRange:range from 0 of DIV > BODY > HTML > #document to 5 of DIV > BODY > HTML > #document
 EDITING DELEGATE: webViewDidBeginEditing:WebViewDidBeginEditingNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 0 of OL > DIV > BODY > HTML > #document to 0 of OL > DIV > BODY > HTML > #document toDOMRange:range from 0 of LI > UL > SPAN > DIV > BODY > HTML > #document to 0 of LI > UL > SPAN > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
+EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 0 of OL > DIV > BODY > HTML > #document to 0 of OL > DIV > BODY > HTML > #document toDOMRange:range from 0 of LI > UL > DIV > BODY > HTML > #document to 0 of LI > UL > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
@@ -19,7 +19,7 @@ EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
 This test checks to see if InsertOrderedList can switch the list type of list items.
 
 This should be in an ordered list.
-This should be in an unordered list. 
+This should be in an unordered list.
 
 This should be in an ordered list.
 This should be in an ordered list.
@@ -29,4 +29,4 @@ This should be in an unordered list.
 This should be in an ordered list.
 This should not be in a list.
 This should be in an ordered list.
-<ol style="border: 1px solid red;"> <li>This should be in an ordered list.</li> </ol><span id="item1"><ul><li><span id="item1">This should be in an unordered list.</span>&nbsp;</li></ul></span><ol style="border: 1px solid red;"><br> This should be in an ordered list. <li>This should be in an ordered list.</li> </ol><ul><li>This should be in an unordered list.</li></ul><ol style="border: 1px solid red;"><li>This should be in an ordered list.</li> </ol><ul><li>This should be in an unordered list.</li></ul><ol style="border: 1px solid red;"> <li>This should be in an ordered list.</li> </ol> This should not be in a list.<br><ol><li>This should be in an ordered list.</li></ol>
+<ol style="border: 1px solid red;"> <li>This should be in an ordered list.</li> </ol><ul><li>This should be in an unordered list.</li></ul><ol style="border: 1px solid red;"><br> This should be in an ordered list. <li>This should be in an ordered list.</li> </ol><ul><li>This should be in an unordered list.</li></ul><ol style="border: 1px solid red;"><li>This should be in an ordered list.</li> </ol><ul><li>This should be in an unordered list.</li></ul><ol style="border: 1px solid red;"> <li>This should be in an ordered list.</li> </ol> This should not be in a list. <br><ol><li>This should be in an ordered list.</li></ol>

LayoutTests/editing/pasteboard/copy-paste-converts-fixed-expected.txt

@@ -44,7 +44,7 @@ first test - after:
 |       <div>
 |         style="position: absolute; left: 0px; top: 0px;"
 |         "def"
-|       "ghi <#selection-caret>"
+|       "ghi<#selection-caret>"
 |     "\n\n"
 |     <script>
 |       "\n\nMarkup.description('This tests to see if position:fixed gets converted to position:absolute upon copy/paste');\n\ndocument.designMode = 'on';\n\nif (window.internals)\n    window.internals.settings.setShouldConvertPositionStyleOnCopy(true);\n\nvar s = window.getSelection();\n\nMarkup.dump('test1', 'first test - before');\ndocument.execCommand("SelectAll");\ndocument.execCommand("Cut");\ndocument.execCommand("Paste");\nMarkup.dump('test1', 'first test - after');\n\n"

LayoutTests/editing/pasteboard/copy-paste-converts-sticky-expected.txt

@@ -42,6 +42,6 @@ first test - after:
 |     <div>
 |       style="position: static; left: 0px; top: 0px;"
 |       "def"
-|     "ghi <#selection-caret>\n\n"
+|     "ghi<#selection-caret>\n\n"
 |     <script>
 |       "\n\nMarkup.description('This tests to see if position:sticky gets converted to position:static upon copy/paste');\n\ndocument.designMode = 'on';\n\nif (window.internals)\n    window.internals.settings.setShouldConvertPositionStyleOnCopy(true);\n\nvar s = window.getSelection();\n\nMarkup.dump('test1', 'first test - before');\ndocument.execCommand("SelectAll");\ndocument.execCommand("Cut");\ndocument.execCommand("Paste");\nMarkup.dump('test1', 'first test - after');\n\n"

LayoutTests/editing/pasteboard/copy-paste-wraps-position-absolute-expected.txt

@@ -44,7 +44,7 @@ first test - after:
 |       <div>
 |         style="position: absolute; left: 0px; top: 0px;"
 |         "def"
-|       "ghi <#selection-caret>"
+|       "ghi<#selection-caret>"
 |     "\n\n"
 |     <script>
 |       "\n\nMarkup.description('This tests to see if position:absolute gets wrapped with a position:relative upon copy/paste');\n\ndocument.designMode = 'on';\n\nif (window.internals)\n    window.internals.settings.setShouldConvertPositionStyleOnCopy(true);\n\nvar s = window.getSelection();\n\nMarkup.dump('test1', 'first test - before');\ndocument.execCommand("SelectAll");\ndocument.execCommand("Cut");\ndocument.execCommand("Paste");\nMarkup.dump('test1', 'first test - after');\n\n"

LayoutTests/editing/pasteboard/paste-after-inline-style-element-expected.txt

@@ -3,7 +3,7 @@ This test exhibits a bug. The inserted content should be on a separate line but
 | <blockquote>
 |   type="cite"
 |   <b>
-|     "line 1 "
+|     "line 1"
 |   "line 2<#selection-caret> "
 |   <b>
 |     <br>

LayoutTests/editing/pasteboard/paste-noscript-expected.txt

@@ -3,19 +3,19 @@ Hello
 CNN Hello
 This is a form
 Submit.
-Hello 
+Hello
 CNN Hello  
 This is a form
 Submit.
 <button id="button1" onclick="sayHello()" ondblclick="sayHello()" style="width: 100px;">Hello</button>
 <button id="button1" style="width: 100px;">Hello</button>
 <a id="anchor1" href="http://www.cnn.com/">CNN</a>
-<a id="anchor1" href="http://www.cnn.com/">CNN</a>
+undefined
 <a id="anchor2" href="javascript:sayHello()">Hello</a>
-<a id="anchor2">Hello</a>
+undefined
 <iframe id="iframe1" src="javascript:var x = 1;" style="width: 200px; height: 100px; background-color:#cee;"></iframe>
-<iframe id="iframe1" style="width: 200px; height: 100px; background-color: rgb(204, 238, 238);"></iframe>
+undefined
 <iframe id="iframe2" srcdoc="<script>var x = 1;</script>" style="width: 200px; height: 100px; background-color:#cee;"></iframe>
-<iframe id="iframe2" style="width: 200px; height: 100px; background-color: rgb(204, 238, 238);"></iframe>
-<form id="form1" action="javascript:sayHello()" formaction="javascript:sayHello()" style="width: 200px; height: 150px; background-color:#cee;">This is a form<br><img src="../resources/abe.png"><button formaction="javascript:sayHello()">Submit.</button></form>
 <form id="form1" formaction="javascript:sayHello()" style="width: 200px; height: 150px; background-color: rgb(204, 238, 238);">This is a form<br><img src="../resources/abe.png"><button>Submit.</button></form>
+<form id="form1" action="javascript:sayHello()" formaction="javascript:sayHello()" style="width: 200px; height: 150px; background-color:#cee;">This is a form<br><img src="../resources/abe.png"><button formaction="javascript:sayHello()">Submit.</button></form>
+undefined

LayoutTests/imported/blink/editing/selection/unrooted-selection-start-crash-expected.txt

@@ -1,3 +1,3 @@
 Should not crash when selection start is unrooted (caused by reattachment of render objects).
- 
+
 

LayoutTests/imported/w3c/web-platform-tests/editing/other/insert-text-in-void-element.tentative-expected.txt

@@ -7,7 +7,7 @@ PASS Inserting text when selection is collapsed in <br> which is followed by a t
 PASS Inserting text when selection is collapsed in <br> which follows an empty <span> element
 PASS Inserting text when selection is collapsed in <br> which follows a text node and an empty <span> element
 PASS Inserting text when selection is collapsed in <br> which follows a non-empty <span> element
-FAIL Inserting text when selection is collapsed in <br> which follows a text node, an empty <span> element and white-space only text node assert_in_array: The text should be inserted at end of the first text node with ignoring the empty <span> and invisible text node before <br> value "<div>abc<span></span>&nbsp;def<br></div>" not in array ["<div>abcdef<span></span></div>", "<div>abcdef<span></span><br></div>", "<div>abcdef<span></span> </div>", "<div>abcdef<span></span> <br></div>"]
+PASS Inserting text when selection is collapsed in <br> which follows a text node, an empty <span> element and white-space only text node
 FAIL Inserting text when selection is collapsed in <embed> which is only child assert_in_array: The text should be inserted before the <embed> element value "abc<div><embed></div>" not in array ["<div>abc<embed></div>", "<div>abc<embed><br></div>"]
 FAIL Inserting text when selection is collapsed in <embed> which is only child (explicitly flushes maybe pending layout) assert_in_array: The text should be inserted before the <embed> element value "abc<div><embed></div>" not in array ["<div>abc<embed></div>", "<div>abc<embed><br></div>"]
 PASS Inserting text when selection is collapsed in <embed> which follows a text node

LayoutTests/imported/w3c/web-platform-tests/html/dom/elements/the-innertext-and-outertext-properties/getter-expected.txt

@@ -8,7 +8,7 @@ PASS Internal whitespace compressed ("<div>abc  def")
 PASS \n converted to space ("<div>abc\ndef")
 PASS \r converted to space ("<div>abc\rdef")
 PASS \t converted to space ("<div>abc\tdef")
-FAIL Trailing whitespace before hard line break removed ("<div>abc <br>def") assert_equals: innerText expected "abc\ndef" but got "abc \ndef"
+PASS Trailing whitespace before hard line break removed ("<div>abc <br>def")
 PASS Leading whitespace after hard line break removed ("<div>abc<br> def")
 PASS Leading whitespace preserved ("<pre> abc")
 PASS Trailing whitespace preserved ("<pre>abc ")

LayoutTests/imported/w3c/web-platform-tests/innerText/getter-expected.txt

@@ -8,7 +8,7 @@ PASS Internal whitespace compressed ("<div>abc  def")
 PASS \n converted to space ("<div>abc\ndef")
 PASS \r converted to space ("<div>abc\rdef")
 PASS \t converted to space ("<div>abc\tdef")
-FAIL Trailing whitespace before hard line break removed ("<div>abc <br>def") assert_equals: expected "abc\ndef" but got "abc \ndef"
+PASS Trailing whitespace before hard line break removed ("<div>abc <br>def")
 PASS Leading whitespace preserved ("<pre> abc")
 PASS Trailing whitespace preserved ("<pre>abc ")
 PASS Internal whitespace preserved ("<pre>abc  def")

LayoutTests/platform/ios-wk2/fast/forms/textarea-align-expected.txt

@@ -6,15 +6,14 @@ layer at (0,0) size 800x600
       RenderBlock {P} at (0,0) size 784x20
         RenderText {#text} at (0,0) size 640x19
           text run at (0,0) width 640: "The following textarea elements should all be rendered on the left, with their text aligned to the left."
-      RenderBlock (anonymous) at (0,36) size 784x141
+      RenderBlock (anonymous) at (0,36) size 784x136
         RenderBR {BR} at (378,19) size 0x19
         RenderBR {BR} at (378,53) size 0x19
-        RenderText {#text} at (378,87) size 4x19
-          text run at (378,87) width 4: " "
-        RenderBR {BR} at (382,87) size 0x19
         RenderText {#text} at (0,0) size 0x0
+        RenderBR {BR} at (378,87) size 0x19
         RenderText {#text} at (0,0) size 0x0
-      RenderBlock {DIV} at (0,177) size 784x34
+        RenderText {#text} at (0,0) size 0x0
+      RenderBlock {DIV} at (0,172) size 784x34
 layer at (8,44) size 378x34 clip at (9,45) size 376x32
   RenderTextControl {TEXTAREA} at (0,0) size 378x34 [bgcolor=#FFFFFF] [border: (1px solid #3C3C4399)]
     RenderBlock {DIV} at (6,3) size 366x14
@@ -30,12 +29,12 @@ layer at (8,112) size 378x34 clip at (9,113) size 376x32
     RenderBlock {DIV} at (6,3) size 366x14
       RenderText {#text} at (0,0) size 188x14
         text run at (0,0) width 188: "This is should be aligned to the left."
-layer at (8,151) size 378x34 clip at (9,152) size 376x32
-  RenderTextControl {TEXTAREA} at (0,107) size 378x34 [bgcolor=#FFFFFF] [border: (1px solid #3C3C4399)]
+layer at (8,146) size 378x34 clip at (9,147) size 376x32
+  RenderTextControl {TEXTAREA} at (0,102) size 378x34 [bgcolor=#FFFFFF] [border: (1px solid #3C3C4399)]
     RenderBlock {DIV} at (6,3) size 366x14
       RenderText {#text} at (0,0) size 188x14
         text run at (0,0) width 188: "This is should be aligned to the left."
-layer at (8,185) size 378x34 clip at (9,186) size 376x32
+layer at (8,180) size 378x34 clip at (9,181) size 376x32
   RenderTextControl {TEXTAREA} at (0,0) size 378x34 [bgcolor=#FFFFFF] [border: (1px solid #3C3C4399)]
     RenderBlock {DIV} at (6,3) size 366x14
       RenderText {#text} at (0,0) size 188x14

LayoutTests/platform/ios-wk2/fast/replaced/border-radius-clip-expected.txt

@@ -1,33 +1,29 @@
-layer at (0,0) size 800x958
+layer at (0,0) size 800x938
   RenderView at (0,0) size 800x600
-layer at (0,0) size 800x934
-  RenderBlock {HTML} at (0,0) size 800x934
-    RenderBody {BODY} at (8,8) size 784x918
-      RenderText {#text} at (0,0) size 466x19
-        text run at (0,0) width 466: "All of the replaced elements below should be clipped to a border-radius. "
-      RenderBR {BR} at (465,0) size 1x19
+layer at (0,0) size 800x914
+  RenderBlock {HTML} at (0,0) size 800x914
+    RenderBody {BODY} at (8,8) size 784x898
+      RenderText {#text} at (0,0) size 462x19
+        text run at (0,0) width 462: "All of the replaced elements below should be clipped to a border-radius."
+      RenderBR {BR} at (461,0) size 1x19
       RenderImage {IMG} at (0,20) size 100x100
-      RenderText {#text} at (100,105) size 4x19
-        text run at (100,105) width 4: " "
-      RenderBR {BR} at (104,105) size 0x19
-      RenderImage {INPUT} at (0,125) size 100x100
-      RenderText {#text} at (100,210) size 4x19
-        text run at (100,210) width 4: " "
-      RenderBR {BR} at (104,210) size 0x19
-      RenderIFrame {IFRAME} at (0,230) size 304x154 [border: (2px inset #000000)]
+      RenderText {#text} at (0,0) size 0x0
+      RenderBR {BR} at (100,105) size 0x19
+      RenderImage {INPUT} at (0,120) size 100x100
+      RenderText {#text} at (0,0) size 0x0
+      RenderBR {BR} at (100,205) size 0x19
+      RenderIFrame {IFRAME} at (0,220) size 304x154 [border: (2px inset #000000)]
         layer at (0,0) size 300x150
           RenderView at (0,0) size 300x150
         layer at (0,0) size 300x150
           RenderBlock {HTML} at (0,0) size 300x150
             RenderBody {BODY} at (0,0) size 300x150
               RenderImage {IMG} at (0,0) size 100x100
-      RenderText {#text} at (304,369) size 4x19
-        text run at (304,369) width 4: " "
-      RenderBR {BR} at (308,369) size 0x19
-      RenderText {#text} at (300,524) size 4x19
-        text run at (300,524) width 4: " "
-      RenderBR {BR} at (304,524) size 0x19
-      RenderEmbeddedObject {EMBED} at (0,544) size 556x406 [bgcolor=#00FF00] [border: (3px solid #000000)]
       RenderText {#text} at (0,0) size 0x0
-layer at (8,397) size 300x150
-  RenderVideo {VIDEO} at (0,389) size 300x150
+      RenderBR {BR} at (304,359) size 0x19
+      RenderText {#text} at (0,0) size 0x0
+      RenderBR {BR} at (300,509) size 0x19
+      RenderEmbeddedObject {EMBED} at (0,524) size 556x406 [bgcolor=#00FF00] [border: (3px solid #000000)]
+      RenderText {#text} at (0,0) size 0x0
+layer at (8,382) size 300x150
+  RenderVideo {VIDEO} at (0,374) size 300x150