Remove WGC3D::isContextLost references from cc

ui/compositor/layer.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 "ui/compositor/layer.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/scoped_ptr_algorithm.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/delegated_renderer_layer.h"
 #include "cc/layers/solid_color_layer.h"
 #include "cc/layers/texture_layer.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/delegated_frame_data.h"
 #include "cc/output/filter_operation.h"
 #include "cc/output/filter_operations.h"
 #include "cc/resources/transferable_resource.h"
+#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 #include "ui/compositor/compositor_switches.h"
 #include "ui/compositor/dip_util.h"
 #include "ui/compositor/layer_animator.h"
 #include "ui/gfx/animation/animation.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/interpolated_transform.h"
 #include "ui/gfx/point3_f.h"
 #include "ui/gfx/point_conversions.h"
 #include "ui/gfx/size_conversions.h"
@@ skipping 607 matching lines @@
     delegate_->OnPaintLayer(canvas.get());
   if (scale_content)
     canvas->Restore();
 }
 
 unsigned Layer::PrepareTexture() {
   DCHECK(texture_layer_.get());
   return texture_->PrepareTexture();
 }
 
-WebKit::WebGraphicsContext3D* Layer::Context3d() {
-  DCHECK(texture_layer_.get());
+bool Layer::IsContextLost() {
   if (texture_.get())
-    return texture_->HostContext3D();
-  return NULL;
+    return texture_->HostContext3D()->isContextLost();
+  return false;
+}
+
+void Layer::RateLimitContext() {
+  if (texture_.get())
+    texture_->HostContext3D()->rateLimitOffscreenContextCHROMIUM();

[piman, 2013/11/01 23:15:35]

note: we don't use rate limiting for ui::Layer anyway, so you could just make
this NOTREACHED.

 }
 
 bool Layer::PrepareTextureMailbox(
     cc::TextureMailbox* mailbox,
     scoped_ptr<cc::SingleReleaseCallback>* release_callback,
     bool use_shared_memory) {
   return false;
 }
 
 void Layer::SetForceRenderSurface(bool force) {
@@ skipping 298 matching lines @@
   cc_layer_->SetBounds(ConvertSizeToPixel(this, size));
 }
 
 void Layer::RecomputePosition() {
   cc_layer_->SetPosition(gfx::ScalePoint(
         gfx::PointF(bounds_.x(), bounds_.y()),
         device_scale_factor_));
 }
 
 }  // namespace ui