Finish the rename from cc::GraphicsContext to cc::OutputSurface

cc/video_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/video_layer_impl.h"
 
 #include "base/logging.h"
 #include "cc/io_surface_draw_quad.h"
 #include "cc/layer_tree_host_impl.h"
 #include "cc/math_util.h"
@@ skipping 392 matching lines @@
 void VideoLayerImpl::didUpdateMatrix(const float matrix[16])
 {
     m_streamTextureMatrix = MathUtil::createGfxTransform(
         matrix[0], matrix[1], matrix[2], matrix[3],
         matrix[4], matrix[5], matrix[6], matrix[7],
         matrix[8], matrix[9], matrix[10], matrix[11],
         matrix[12], matrix[13], matrix[14], matrix[15]);
     setNeedsRedraw();
 }
 
-void VideoLayerImpl::didLoseContext()
+void VideoLayerImpl::didLoseOutputSurface()
 {
     freePlaneData(layerTreeHostImpl()->resourceProvider());
 }
 
 void VideoLayerImpl::setNeedsRedraw()
 {
     layerTreeHostImpl()->setNeedsRedraw();
 }
 
 const char* VideoLayerImpl::layerTypeAsString() const
 {
     return "VideoLayer";
 }
 
 }  // namespace cc