Expose password text to DocumentContext

https://bugs.webkit.org/show_bug.cgi?id=250491
rdar://101610334

Reviewed by Wenson Hsieh and Tim Horton.

* Source/WebKit/WebProcess/WebPage/ios/WebPageIOS.mm:
(WebKit::WebPage::requestDocumentEditingContext):
* Tools/TestWebKitAPI/Tests/WebKitCocoa/DocumentEditingContext.mm:
(TEST):

Canonical link: https://commits.webkit.org/258859@main

Source/WebKit/WebProcess/WebPage/ios/WebPageIOS.mm

@@ -4585,7 +4585,7 @@ static VisiblePositionRange constrainRangeToSelection(const VisiblePositionRange
         if (!range || range->collapsed())
             return { };
         // FIXME: This should return editing-offset-compatible attributed strings if that option is requested.
-        return { adoptNS([[NSAttributedString alloc] initWithString:WebCore::plainTextReplacingNoBreakSpace(*range)]), nil };
+        return { adoptNS([[NSAttributedString alloc] initWithString:WebCore::plainTextReplacingNoBreakSpace(*range, TextIteratorBehavior::EmitsOriginalText)]), nil };
     };
 
     DocumentEditingContext context;

Tools/TestWebKitAPI/Tests/WebKitCocoa/DocumentEditingContext.mm

@@ -525,6 +525,19 @@ static CGRect CGRectFromJSONEncodedDOMRectJSValue(id jsValue)
     }
 }
 
+TEST(DocumentEditingContext, PasswordFieldRequest)
+{
+    auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
+
+    [webView synchronouslyLoadHTMLString:applyAhemStyle(@"<input id='passwordField' type='password' value='testPassword'>")];
+    [webView stringByEvaluatingJavaScript:@"passwordField.focus(); passwordField.select();"];
+
+    UIWKDocumentContext *context = [webView synchronouslyRequestDocumentContext:makeRequest(UIWKDocumentRequestText, UITextGranularityWord, 1)];
+    EXPECT_NOT_NULL(context);
+    EXPECT_NULL(context.contextBefore);
+    EXPECT_NSSTRING_EQ("testPassword", context.selectedText);
+    EXPECT_NULL(context.contextAfter);
+}
 
 TEST(DocumentEditingContext, SpatialRequest_RectEncompassingInput)
 {