Remove offscreen compositor contexts.

cc/trees/layer_tree_host.h

 // 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.
 
 #ifndef CC_TREES_LAYER_TREE_HOST_H_
 #define CC_TREES_LAYER_TREE_HOST_H_
 
 #include <limits>
 #include <list>
 #include <set>
@@ skipping 47 matching lines @@
 class TopControlsManager;
 class UIResourceRequest;
 struct RenderingStats;
 struct ScrollAndScaleSet;
 
 // Provides information on an Impl's rendering capabilities back to the
 // LayerTreeHost.
 struct CC_EXPORT RendererCapabilities {
   RendererCapabilities(ResourceFormat best_texture_format,
                        bool allow_partial_texture_updates,
-                       bool using_offscreen_context3d,
                        int max_texture_size,
                        bool using_shared_memory_resources);
 
   RendererCapabilities();
   ~RendererCapabilities();
 
   // Duplicate any modification to this list to RendererCapabilitiesImpl.
   ResourceFormat best_texture_format;
   bool allow_partial_texture_updates;
-  bool using_offscreen_context3d;
   int max_texture_size;
   bool using_shared_memory_resources;
 };
 
 class CC_EXPORT LayerTreeHost {
  public:
   // The SharedBitmapManager will be used on the compositor thread.
   static scoped_ptr<LayerTreeHost> CreateThreaded(
       LayerTreeHostClient* client,
       SharedBitmapManager* manager,
       const LayerTreeSettings& settings,
       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
 
   static scoped_ptr<LayerTreeHost> CreateSingleThreaded(
       LayerTreeHostClient* client,
       LayerTreeHostSingleThreadClient* single_thread_client,
       SharedBitmapManager* manager,
       const LayerTreeSettings& settings);
   virtual ~LayerTreeHost();
 
   void SetLayerTreeHostClientReady();
 
-  void set_needs_filter_context() { needs_filter_context_ = true; }
-  bool needs_offscreen_context() const {
-    return needs_filter_context_;
-  }
-
   // LayerTreeHost interface to Proxy.
   void WillBeginMainFrame() {
     client_->WillBeginMainFrame(source_frame_number_);
   }
   void DidBeginMainFrame();
   void UpdateClientAnimations(base::TimeTicks monotonic_frame_begin_time);
   void AnimateLayers(base::TimeTicks monotonic_frame_begin_time);
   void DidStopFlinging();
   void Layout();
   void BeginCommitOnImplThread(LayerTreeHostImpl* host_impl);
@@ skipping 243 matching lines @@
 
   typedef std::list<UIResourceRequest> UIResourceRequestQueue;
   UIResourceRequestQueue ui_resource_request_queue_;
 
   void CalculateLCDTextMetricsCallback(Layer* layer);
 
   void NotifySwapPromiseMonitorsOfSetNeedsCommit();
 
   bool animating_;
   bool needs_full_tree_sync_;
-  bool needs_filter_context_;
 
   base::CancelableClosure prepaint_callback_;
 
   LayerTreeHostClient* client_;
   scoped_ptr<Proxy> proxy_;
 
   int source_frame_number_;
   scoped_ptr<RenderingStatsInstrumentation> rendering_stats_instrumentation_;
 
   bool output_surface_can_be_initialized_;
@@ skipping 73 matching lines @@
 
   ScopedPtrVector<SwapPromise> swap_promise_list_;
   std::set<SwapPromiseMonitor*> swap_promise_monitor_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_