IPH UI : Fix text bubble x-alignment

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java

Index: chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java
index cd1597348f20859004656d7a1f2fb2d53f93ff63..0b7124d3c06385ec28eec896157d90e35298d752 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java
@@ -234,6 +234,13 @@ public abstract class ToolbarLayout extends FrameLayout implements Toolbar {
         return mMenuButtonWrapper;
     }
 
+    /**
+     * @return The view containing the menu button.
+     */
+    protected View getMenuButton() {
+        return mMenuButton;
+    }
+
     /**
      * @return The {@link ProgressBar} this layout uses.
      */