Remove offscreen compositor contexts.

cc/trees/thread_proxy.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_THREAD_PROXY_H_
 #define CC_TREES_THREAD_PROXY_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 142 matching lines @@
   void SendCommitRequestToImplThreadIfNeeded();
 
   // Called on impl thread.
   struct ReadbackRequest;
   struct CommitPendingRequest;
   struct SchedulerStateRequest;
 
   void ForceCommitForReadbackOnImplThread(
       CompletionEvent* begin_main_frame_sent_completion,
       ReadbackRequest* request);
-  void StartCommitOnImplThread(
-      CompletionEvent* completion,
-      ResourceUpdateQueue* queue,
-      scoped_refptr<ContextProvider> offscreen_context_provider);
+  void StartCommitOnImplThread(CompletionEvent* completion,
+                               ResourceUpdateQueue* queue);
   void BeginMainFrameAbortedOnImplThread(bool did_handle);
   void RequestReadbackOnImplThread(ReadbackRequest* request);
   void FinishAllRenderingOnImplThread(CompletionEvent* completion);
   void InitializeImplOnImplThread(CompletionEvent* completion);
   void SetLayerTreeHostClientReadyOnImplThread();
   void SetVisibleOnImplThread(CompletionEvent* completion, bool visible);
   void UpdateBackgroundAnimateTicking();
   void HasInitializedOutputSurfaceOnImplThread(
       CompletionEvent* completion,
       bool* has_initialized_output_surface);
   void InitializeOutputSurfaceOnImplThread(
       CompletionEvent* completion,
       scoped_ptr<OutputSurface> output_surface,
-      scoped_refptr<ContextProvider> offscreen_context_provider,
       bool* success,
       RendererCapabilities* capabilities);
   void FinishGLOnImplThread(CompletionEvent* completion);
   void LayerTreeHostClosedOnImplThread(CompletionEvent* completion);
   DrawSwapReadbackResult DrawSwapReadbackInternal(bool forced_draw,
                                                   bool swap_requested,
                                                   bool readback_requested);
   void ForceSerializeOnSwapBuffersOnImplThread(CompletionEvent* completion);
   void CheckOutputSurfaceStatusOnImplThread();
   void CommitPendingOnImplThreadForTesting(CommitPendingRequest* request);
@@ skipping 16 matching lines @@
     ~MainThreadOnly();
 
     const int layer_tree_host_id;
 
     // Set only when SetNeedsAnimate is called.
     bool animate_requested;
     // Set only when SetNeedsCommit is called.
     bool commit_requested;
     // Set by SetNeedsAnimate, SetNeedsUpdateLayers, and SetNeedsCommit.
     bool commit_request_sent_to_impl_thread;
-    // Set by BeginMainFrame
-    bool created_offscreen_context_provider;
 
     bool started;
     bool in_composite_and_readback;
     bool manage_tiles_pending;
     bool can_cancel_commit;
     bool defer_commits;
 
     base::CancelableClosure output_surface_creation_callback;
     RendererCapabilities renderer_capabilities_main_thread_copy;
 
@@ skipping 77 matching lines @@
 
   base::WeakPtr<ThreadProxy> main_thread_weak_ptr_;
   base::WeakPtr<ThreadProxy> impl_thread_weak_ptr_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadProxy);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_THREAD_PROXY_H_