cc: Remove cc::Thread and cc::ThreadImpl.

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 2013 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/renderer/gpu/render_widget_compositor.h"
 
 #include <limits>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/synchronization/lock.h"
 #include "base/time.h"
 #include "cc/base/switches.h"
-#include "cc/base/thread_impl.h"
 #include "cc/debug/layer_tree_debug_state.h"
 #include "cc/layers/layer.h"
 #include "cc/trees/layer_tree_host.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/public/common/content_switches.h"
 #include "content/renderer/gpu/input_handler_manager.h"
 #include "content/renderer/render_thread_impl.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/WebKit/public/web/WebWidget.h"
 #include "ui/gl/gl_switches.h"
@@ skipping 327 matching lines @@
 void RenderWidgetCompositor::SetNeedsRedrawRect(gfx::Rect damage_rect) {
   layer_tree_host_->SetNeedsRedrawRect(damage_rect);
 }
 
 void RenderWidgetCompositor::SetLatencyInfo(
     const ui::LatencyInfo& latency_info) {
   layer_tree_host_->SetLatencyInfo(latency_info);
 }
 
 bool RenderWidgetCompositor::initialize(cc::LayerTreeSettings settings) {
-  scoped_ptr<cc::Thread> impl_thread;
   scoped_refptr<base::MessageLoopProxy> compositor_message_loop_proxy =
       RenderThreadImpl::current()->compositor_message_loop_proxy();
-  threaded_ = !!compositor_message_loop_proxy.get();
-  if (threaded_) {
-    impl_thread = cc::ThreadImpl::CreateForDifferentThread(
-        compositor_message_loop_proxy);
-  }
   layer_tree_host_ = cc::LayerTreeHost::Create(this,
                                                settings,
-                                               impl_thread.Pass());
+                                               compositor_message_loop_proxy);
   return layer_tree_host_;
 }
 
 void RenderWidgetCompositor::setSurfaceReady() {
   layer_tree_host_->SetLayerTreeHostClientReady();
 }
 
 void RenderWidgetCompositor::setRootLayer(const WebKit::WebLayer& layer) {
   layer_tree_host_->SetRootLayer(
       static_cast<const webkit::WebLayerImpl*>(&layer)->layer());
@@ skipping 183 matching lines @@
   return RenderThreadImpl::current()->OffscreenContextProviderForMainThread();
 }
 
 scoped_refptr<cc::ContextProvider>
 RenderWidgetCompositor::OffscreenContextProviderForCompositorThread() {
   return RenderThreadImpl::current()->
       OffscreenContextProviderForCompositorThread();
 }
 
 }  // namespace content