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

cc/heads_up_display_layer_impl.cc

 // 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.
 
 #include "cc/heads_up_display_layer_impl.h"
 
 #include <limits>
 
 #include "base/stringprintf.h"
 #include "cc/debug_colors.h"
@@ skipping 116 matching lines @@
 
     if (!m_hudTexture->id())
         return;
 
     // FIXME: the following assert will not be true when sending resources to a
     // parent compositor. We will probably need to hold on to m_hudTexture for
     // longer, and have several HUD textures in the pipeline.
     DCHECK(!resourceProvider->inUseByConsumer(m_hudTexture->id()));
 }
 
-void HeadsUpDisplayLayerImpl::didLoseContext()
+void HeadsUpDisplayLayerImpl::didLoseOutputSurface()
 {
     m_hudTexture.reset();
 }
 
 bool HeadsUpDisplayLayerImpl::layerIsAlwaysDamaged() const
 {
     return true;
 }
 
 void HeadsUpDisplayLayerImpl::drawHudContents(SkCanvas* canvas)
@@ skipping 227 matching lines @@
 
     canvas->restore();
 }
 
 const char* HeadsUpDisplayLayerImpl::layerTypeAsString() const
 {
     return "HeadsUpDisplayLayer";
 }
 
 }  // namespace cc