[M101][ContextMenu] Fix measure width issue for context menu popup

Remove the margin applied in ContextMenuListView so ListView width will
match the parent frame.

Before: https://screenshot.googleplex.com/BQXHSLoiaLXPFJi
After: https://screenshot.googleplex.com/9E6S9ApYbCdD3vo

(cherry picked from commit ed7087b)

Bug: 1314675
Change-Id: Ib3a304ca0998197299053b5777def899d2ac265b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3584894
Reviewed-by: Sinan Sahin <sinansahin@google.com>
Commit-Queue: Wenyu Fu <wenyufu@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#992583}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3588873
Cr-Commit-Position: refs/branch-heads/4951@{#789}
Cr-Branched-From: 27de622-refs/heads/main@{#982481}

chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuListView.java

@@ -10,14 +10,23 @@
 import android.widget.ListView;
 
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.flags.ChromeFeatureList;
+import org.chromium.content_public.browser.ContentFeatureList;
+import org.chromium.content_public.common.ContentFeatures;
 
 /**
  * A custom ListView to be able to set width and height using the contents. Width and height are
  * constrained to make sure the view fits the screen size with margins.
  */
 public class ContextMenuListView extends ListView {
+    // Whether the max width of this list view is limited by screen width.
+    private final boolean mLimitedByScreenWidth;
+
     public ContextMenuListView(Context context, AttributeSet attrs) {
         super(context, attrs);
+        mLimitedByScreenWidth =
+                ChromeFeatureList.isEnabled(ChromeFeatureList.CONTEXT_MENU_POPUP_STYLE)
+                || ContentFeatureList.isEnabled(ContentFeatures.TOUCH_DRAG_AND_CONTEXT_MENU);
     }
 
     @Override
@@ -47,6 +56,11 @@ private int calculateWidth() {
         final int parentLateralPadding = frame.getPaddingLeft();
         final int maxWidth = Math.min(maxWidthFromRes, frame.getMeasuredWidth());
 
+        // When context menu is a popup, the max width with windowWidth - 2 * lateralMargin does not
+        // applied since it is presented in a popup window. See https://crbug.com/1314675.
+        if (mLimitedByScreenWidth) {
+            return maxWidth - 2 * parentLateralPadding;
+        }
         return Math.min(maxWidth, windowWidthPx - 2 * lateralMargin) - 2 * parentLateralPadding;
     }
 }

chrome/android/javatests/src/org/chromium/chrome/browser/contextmenu/ContextMenuRenderTest.java

@@ -29,6 +29,7 @@
 import org.chromium.chrome.test.ChromeJUnit4RunnerDelegate;
 import org.chromium.chrome.test.util.ChromeRenderTestRule;
 import org.chromium.content_public.browser.test.util.TestThreadUtils;
+import org.chromium.content_public.common.ContentFeatures;
 import org.chromium.ui.modelutil.LayoutViewBuilder;
 import org.chromium.ui.modelutil.MVCListAdapter.ListItem;
 import org.chromium.ui.modelutil.MVCListAdapter.ModelList;
@@ -72,6 +73,7 @@ public void setUpTest() throws Exception {
 
         mTestValues = new TestValues();
         mTestValues.addFeatureFlagOverride(ChromeFeatureList.CONTEXT_MENU_POPUP_STYLE, false);
+        mTestValues.addFeatureFlagOverride(ContentFeatures.TOUCH_DRAG_AND_CONTEXT_MENU, false);
         FeatureList.setTestValues(mTestValues);
 
         TestThreadUtils.runOnUiThreadBlocking(() -> {