Remove Overflow menu and snackbar when infobar is closing.

chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBar.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.infobar;
 
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.view.View;
 import android.widget.TextView;
@@ skipping 143 matching lines @@
 
     /**
      * @return whether the infobar actually needed closing.
      */
     @CalledByNative
     private boolean closeInfoBar() {
         if (!mIsDismissed) {
             mIsDismissed = true;
             if (!mContainer.hasBeenDestroyed()) {
                 // If the container was destroyed, it's already been emptied of all its infobars.
+                onStartedRemoving();

[mdjones, 2017/05/11 17:08:24]

I'd prefer this be named "onStartedHiding" despite the line below this since the
infobar nearly always animates.

[Marti Wong, 2017/05/12 00:04:50]

Done.

                 mContainer.removeInfoBar(this);
             }
             return true;
         }
         return false;
     }
 
+    /**
+     * Called when infobar is being removed.  Give the chance to clean up any child UI that may

[mdjones, 2017/05/11 17:08:24]

"Called just before the Java infobar has begun hiding."

[Marti Wong, 2017/05/12 00:04:50]

Done.

+     * remain open.
+     */
+    protected void onStartedRemoving() {}
+
+    /**
+     * Performs some action related to either the primary or secondary button being pressed.
+     * @param isPrimaryButton True if the primary button was clicked, false otherwise.
+     */

[mdjones, 2017/05/11 17:08:24]

Remove this floating javadoc.

[Marti Wong, 2017/05/12 00:04:50]

Done. sorry for the carelessness.

+
     long getNativeInfoBarPtr() {
         return mNativeInfoBarPtr;
     }
 
     void setInfoBarContainer(InfoBarContainer container) {
         mContainer = container;
     }
 
     @Override
     public boolean areControlsEnabled() {
@@ skipping 30 matching lines @@
     @Override
     public void createContent(InfoBarLayout layout) {
     }
 
     @InfoBarIdentifier
     private native int nativeGetInfoBarIdentifier(long nativeInfoBarAndroid);
     private native void nativeOnLinkClicked(long nativeInfoBarAndroid);
     private native void nativeOnButtonClicked(long nativeInfoBarAndroid, int action);
     private native void nativeOnCloseButtonClicked(long nativeInfoBarAndroid);
 }