Make AnchoredPopupWindow update the popup layout when the view does.

This CL makes AnchoredPopupWindow listen to layout changes of the list
menu's content view, updating the layout of the popup in response.

(cherry picked from commit 23c7af9)

Bug: 1316392
Change-Id: I541234181392b55df065fba52d08c436b32676ee
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3594445
Reviewed-by: Lijin Shen <lazzzis@google.com>
Commit-Queue: Scott Little <sclittle@chromium.org>
Auto-Submit: Scott Little <sclittle@chromium.org>
Reviewed-by: Theresa Sullivan <twellington@chromium.org>
Commit-Queue: Theresa Sullivan <twellington@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#994321}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3606568
Cr-Commit-Position: refs/branch-heads/5005@{#151}
Cr-Branched-From: 5b4d945-refs/heads/main@{#992738}

ui/android/java/src/org/chromium/ui/widget/AnchoredPopupWindow.java

@@ -138,6 +138,9 @@ public void run() {
         public void onDismiss() {
             if (mIgnoreDismissal) return;
 
+            mPopupWindow.getContentView().removeOnLayoutChangeListener(
+                    mContentViewOnLayoutChangeListener);
+
             mHandler.removeCallbacks(mDismissRunnable);
             for (OnDismissListener listener : mDismissListeners) listener.onDismiss();
 
@@ -186,6 +189,15 @@ public void onDismiss() {
     private boolean mUpdateOrientationOnChange;
     private boolean mSmartAnchorWithMaxWidth;
 
+    private final View.OnLayoutChangeListener mContentViewOnLayoutChangeListener =
+            new View.OnLayoutChangeListener() {
+                @Override
+                public void onLayoutChange(View v, int left, int top, int right, int bottom,
+                        int oldLeft, int oldTop, int oldRight, int oldBottom) {
+                    if (mPopupWindow.isShowing()) updatePopupLayout();
+                }
+            };
+
     /**
      * Constructs an {@link AnchoredPopupWindow} instance.
      * @param context  Context to draw resources from.
@@ -222,6 +234,8 @@ public void show() {
 
         updatePopupLayout();
         showPopupWindow();
+
+        mPopupWindow.getContentView().addOnLayoutChangeListener(mContentViewOnLayoutChangeListener);
     }
 
     /**