Revert 171403

cc/layer_impl.cc

 // Copyright 2011 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 "cc/layer_impl.h"
 
 #include "base/debug/trace_event.h"
 #include "base/stringprintf.h"
 #include "cc/debug_border_draw_quad.h"
 #include "cc/debug_colors.h"
@@ skipping 662 matching lines @@
     noteLayerPropertyChangedForSubtree();
 }
 
 Region LayerImpl::visibleContentOpaqueRegion() const
 {
     if (contentsOpaque())
         return visibleContentRect();
     return Region();
 }
 
-void LayerImpl::didLoseOutputSurface()
+void LayerImpl::didLoseContext()
 {
 }
 
 void LayerImpl::setMaxScrollOffset(gfx::Vector2d maxScrollOffset)
 {
     m_maxScrollOffset = maxScrollOffset;
 
     if (!m_scrollbarAnimationController)
         return;
     m_scrollbarAnimationController->updateScrollOffset(this);
@@ skipping 29 matching lines @@
 
 void LayerImpl::setVerticalScrollbarLayer(ScrollbarLayerImpl* scrollbarLayer)
 {
     if (!m_scrollbarAnimationController)
         m_scrollbarAnimationController = ScrollbarAnimationController::create(this);
     m_scrollbarAnimationController->setVerticalScrollbarLayer(scrollbarLayer);
     m_scrollbarAnimationController->updateScrollOffset(this);
 }
 
 }  // namespace cc