Remove unnecesary ApiCompatibilityUtils calls.

chrome/android/java/src/org/chromium/chrome/browser/infobar/AnimationHelper.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.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.animation.PropertyValuesHolder;
 import android.annotation.TargetApi;
 import android.os.Build;
 import android.view.View;
 import android.view.ViewTreeObserver;
 import android.view.animation.AccelerateDecelerateInterpolator;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
-import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.chrome.R;
 
 import java.util.ArrayList;
 
 /**
  * Sets up animations to move InfoBars around inside of the InfoBarContainer.
  *
  * Animations proceed in several phases:
  * 1) Prep work is done for the InfoBar so that the View being animated in (if it exists) is
  *    properly sized.  This involves adding the View to a FrameLayout with a visibility of
@@ skipping 84 matching lines @@
      */
     public int getAnimationType() {
         return mAnimationType;
     }
 
     /**
      * Catch when the layout occurs, which lets us know when the View has been sized properly.
      */
     @Override
     public void onGlobalLayout() {
-        ApiCompatibilityUtils.removeOnGlobalLayoutListener(mTargetWrapperView, this);
+        mTargetWrapperView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
         continueAnimation();
     }
 
     private void continueAnimation() {
         if (mAnimationStarted) return;
         mAnimationStarted = true;
 
         int indexOfWrapperView = mLinearLayout.indexOfChild(mTargetWrapperView);
         assert indexOfWrapperView != -1;
 
@@ skipping 98 matching lines @@
                 }
             }
         });
 
         mAnimatorSet.playTogether(animators);
         mAnimatorSet.setDuration(ANIMATION_DURATION_MS);
         mAnimatorSet.setInterpolator(new AccelerateDecelerateInterpolator());
         mAnimatorSet.start();
     }
 }