Fix Custom Action Bar for custom tabs on tablet

chrome/android/java/src/org/chromium/chrome/browser/ContextualMenuBar.java

 // Copyright 2015 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;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
@@ skipping 69 matching lines @@
      * @param actionBarDelegate The delegate for communicating with the action bar while animating
      *                          it.
      */
     public ContextualMenuBar(Context context, ActionBarDelegate actionBarDelegate) {
         mActionBarDelegate = actionBarDelegate;
         mContext = context;
         mTabStripHeight = mContext.getResources().getDimension(R.dimen.tab_strip_height);
     }
 
     /**
+     * Overrides the preset height of the tab strip.
+     */
+    public void setTabStripHeight(int tabStripHeight) {
+        mTabStripHeight = tabStripHeight;
+    }
+
+    /**
      * @return The delegate handling action bar positioning for the contextual menu bar.
      */
     public ActionBarDelegate getActionBarDelegate() {
         return mActionBarDelegate;
     }
 
     /**
      * Sets the custom ActionMode.Callback
      * @param customSelectionActionModeCallback
      */
@@ skipping 81 matching lines @@
             public void onAnimationEnd(Animator animation) {
                 mCurrentAnimation = null;
                 mActionBarDelegate.setActionBarBackgroundVisibility(false);
             }
         });
 
         mCurrentAnimation.start();
         mShowingContextualActionBar = false;
     }
 }