Remove unnecessary LayerTreeBuildHelper from ContentViewRenderView

content/public/android/java/src/org/chromium/content/browser/ContentViewRenderView.java

 // Copyright 2012 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.content.browser;
 
 import android.content.Context;
 import android.graphics.Color;
 import android.graphics.PixelFormat;
 import android.view.Surface;
@@ skipping 172 matching lines @@
     /**
      * Enter or leave overlay video mode.
      * @param enabled Whether overlay mode is enabled.
      */
     public void setOverlayVideoMode(boolean enabled) {
         int format = enabled ? PixelFormat.TRANSLUCENT : PixelFormat.OPAQUE;
         mSurfaceView.getHolder().setFormat(format);
         nativeSetOverlayVideoMode(mNativeContentViewRenderView, enabled);
     }
 
-    /**
-     * Set the native layer tree helper for this {@link ContentViewRenderView}.
-     * @param layerTreeBuildHelperNativePtr Native pointer to the layer tree build helper.
-     */
-    public void setLayerTreeBuildHelper(long layerTreeBuildHelperNativePtr) {
-        nativeSetLayerTreeBuildHelper(mNativeContentViewRenderView, layerTreeBuildHelperNativePtr);
-    }
-
     @CalledByNative
     protected void onCompositorLayout() {
     }
 
     @CalledByNative
     private void onSwapBuffersCompleted() {
         if (mSurfaceView.getBackground() != null) {
             post(new Runnable() {
                 @Override public void run() {
                     mSurfaceView.setBackgroundResource(0);
                 }
             });
         }
     }
 
     /**
      * @return Native pointer for the UI resource provider taken from the compositor.
      */
     public long getUIResourceProvider() {
         return nativeGetUIResourceProvider(mNativeContentViewRenderView);
     }
 
     private native long nativeInit(long rootWindowNativePointer);
     private native long nativeGetUIResourceProvider(long nativeContentViewRenderView);
     private native void nativeDestroy(long nativeContentViewRenderView);
     private native void nativeSetCurrentContentViewCore(long nativeContentViewRenderView,
             long nativeContentViewCore);
-    private native void nativeSetLayerTreeBuildHelper(long nativeContentViewRenderView,
-            long buildHelperNativePtr);
     private native void nativeSurfaceCreated(long nativeContentViewRenderView);
     private native void nativeSurfaceDestroyed(long nativeContentViewRenderView);
     private native void nativeSurfaceChanged(long nativeContentViewRenderView,
             int format, int width, int height, Surface surface);
     private native void nativeSetOverlayVideoMode(long nativeContentViewRenderView,
             boolean enabled);
     private native void nativeSetNeedsComposite(long nativeContentViewRenderView);
 }