[Android] Add animation frame time histogram class.

chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenu.java

Index: chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenu.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenu.java b/chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenu.java
index c8976b36c98ee8d46bf5b6946e592d9b0ceefa2c..a381f47b2781db1072a231ff5ab04078324b4c38 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenu.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenu.java
@@ -5,6 +5,7 @@
 package org.chromium.chrome.browser.appmenu;
 
 import android.animation.Animator;
+import android.animation.Animator.AnimatorListener;
 import android.animation.AnimatorSet;
 import android.content.Context;
 import android.content.res.Resources;
@@ -26,6 +27,7 @@ import android.widget.ListPopupWindow;
 import android.widget.PopupWindow;
 import android.widget.PopupWindow.OnDismissListener;
 
+import org.chromium.base.AnimationFrameTimeHistogram;
 import org.chromium.base.SysUtils;
 import org.chromium.chrome.R;
 
@@ -52,6 +54,8 @@ public class AppMenu implements OnItemClickListener, OnKeyListener {
     private AppMenuHandler mHandler;
     private int mCurrentScreenRotation = -1;
     private boolean mIsByHardwareButton;
+    private AnimatorListener mAnimationHistogramRecorder = AnimationFrameTimeHistogram
+            .getAnimatorRecorder("WrenchMenu.OpeningAnimationFrameTimes");
 
     /**
      * Creates and sets up the App Menu.
@@ -338,6 +342,7 @@ public class AppMenu implements OnItemClickListener, OnKeyListener {
             }
         }
 
+        animation.addListener(mAnimationHistogramRecorder);
         animation.start();
     }
 }