Remove offscreen compositor contexts.

cc/output/direct_renderer.h

 // 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.
 
 #ifndef CC_OUTPUT_DIRECT_RENDERER_H_
 #define CC_OUTPUT_DIRECT_RENDERER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/containers/scoped_ptr_hash_map.h"
@@ skipping 14 matching lines @@
 class CC_EXPORT DirectRenderer : public Renderer {
  public:
   virtual ~DirectRenderer();
 
   virtual bool CanReadPixels() const OVERRIDE;
   virtual void DecideRenderPassAllocationsForFrame(
       const RenderPassList& render_passes_in_draw_order) OVERRIDE;
   virtual bool HasAllocatedResourcesForTesting(RenderPass::Id id) const
       OVERRIDE;
   virtual void DrawFrame(RenderPassList* render_passes_in_draw_order,
-                         ContextProvider* offscreen_context_provider,
                          float device_scale_factor,
                          const gfx::Rect& device_viewport_rect,
                          const gfx::Rect& device_clip_rect,
                          bool disable_picture_quad_image_filtering) OVERRIDE;
 
   struct CC_EXPORT DrawingFrame {
     DrawingFrame();
     ~DrawingFrame();
 
     const RenderPass* root_render_pass;
     const RenderPass* current_render_pass;
     const ScopedResource* current_texture;
 
     gfx::Rect root_damage_rect;
     gfx::Rect device_viewport_rect;
     gfx::Rect device_clip_rect;
 
     gfx::Transform projection_matrix;
     gfx::Transform window_matrix;
 
-    ContextProvider* offscreen_context_provider;
-
     bool disable_picture_quad_image_filtering;
 
     OverlayCandidateList overlay_list;
   };
 
   void SetEnlargePassTextureAmountForTesting(const gfx::Vector2d& amount);
 
  protected:
   DirectRenderer(RendererClient* client,
                  const LayerTreeSettings* settings,
@@ skipping 71 matching lines @@
   gfx::Vector2d enlarge_pass_texture_amount_;
 
   NamespaceToken on_demand_task_namespace_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_DIRECT_RENDERER_H_