Add support for calculating the position of the top controls in the cc layer.

content/browser/renderer_host/compositor_impl_android.cc

 // Copyright (c) 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.
 
 #include "content/browser/renderer_host/compositor_impl_android.h"
 
 #include <android/bitmap.h>
 #include <android/native_window_jni.h>
 
 #include "base/bind.h"
@@ skipping 154 matching lines @@
     SetVisible(true);
   }
 }
 
 void CompositorImpl::SetVisible(bool visible) {
   if (!visible) {
     host_.reset();
   } else if (!host_.get()) {
     cc::LayerTreeSettings settings;
     settings.refreshRate = 60.0;
+    settings.calculateTopControlsPosition = false;
+    settings.topControlsHeightPx = 0;
 
     // Do not clear the framebuffer when rendering into external GL contexts
     // like Android View System's.
     if (UsesDirectGL())
       settings.shouldClearRootRenderPass = false;
 
     scoped_ptr<cc::Thread> impl_thread;
     if (g_impl_thread)
       impl_thread = cc::ThreadImpl::createForDifferentThread(
           g_impl_thread->message_loop()->message_loop_proxy());
@@ skipping 236 matching lines @@
     case ANDROID_BITMAP_FORMAT_RGBA_8888:
       return GL_UNSIGNED_BYTE;
       break;
     case ANDROID_BITMAP_FORMAT_RGB_565:
     default:
       return GL_UNSIGNED_SHORT_5_6_5;
   }
 }
 
 } // namespace content