cc: Convert non-const reference arguments to pointers.

cc/output/software_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_SOFTWARE_RENDERER_H_
 #define CC_OUTPUT_SOFTWARE_RENDERER_H_
 
 #include "base/basictypes.h"
 #include "cc/base/cc_export.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 26 matching lines @@
   virtual void GetFramebufferPixels(void* pixels, gfx::Rect rect) OVERRIDE;
   virtual void SetVisible(bool visible) OVERRIDE;
   virtual void SendManagedMemoryStats(
       size_t bytes_visible,
       size_t bytes_visible_and_nearby,
       size_t bytes_allocated) OVERRIDE  {}
   virtual void ReceiveCompositorFrameAck(
       const CompositorFrameAck& ack) OVERRIDE;
 
  protected:
-  virtual void BindFramebufferToOutputSurface(DrawingFrame& frame) OVERRIDE;
+  virtual void BindFramebufferToOutputSurface(DrawingFrame* frame) OVERRIDE;
   virtual bool BindFramebufferToTexture(
-      DrawingFrame& frame,
+      DrawingFrame* frame,
       const ScopedResource* texture,
       gfx::Rect framebuffer_rect) OVERRIDE;
   virtual void SetDrawViewportSize(gfx::Size viewport_size) OVERRIDE;
   virtual void SetScissorTestRect(gfx::Rect scissor_rect) OVERRIDE;
-  virtual void ClearFramebuffer(DrawingFrame& frame) OVERRIDE;
-  virtual void DoDrawQuad(DrawingFrame& frame, const DrawQuad* quad) OVERRIDE;
-  virtual void BeginDrawingFrame(DrawingFrame& frame) OVERRIDE;
-  virtual void FinishDrawingFrame(DrawingFrame& frame) OVERRIDE;
+  virtual void ClearFramebuffer(DrawingFrame* frame) OVERRIDE;
+  virtual void DoDrawQuad(DrawingFrame* frame, const DrawQuad* quad) OVERRIDE;
+  virtual void BeginDrawingFrame(DrawingFrame* frame) OVERRIDE;
+  virtual void FinishDrawingFrame(DrawingFrame* frame) OVERRIDE;
   virtual bool FlippedFramebuffer() const OVERRIDE;
   virtual void EnsureScissorTestEnabled() OVERRIDE;
   virtual void EnsureScissorTestDisabled() OVERRIDE;
 
  private:
   SoftwareRenderer(
       RendererClient* client,
       OutputSurface* output_surface,
       ResourceProvider* resource_provider);
 
   void ClearCanvas(SkColor color);
   void SetClipRect(gfx::Rect rect);
   bool IsSoftwareResource(ResourceProvider::ResourceId resource_id) const;
 
-  void DrawDebugBorderQuad(const DrawingFrame& frame,
+  void DrawDebugBorderQuad(const DrawingFrame* frame,
                            const DebugBorderDrawQuad* quad);
-  void DrawSolidColorQuad(const DrawingFrame& frame,
+  void DrawSolidColorQuad(const DrawingFrame* frame,
                           const SolidColorDrawQuad* quad);
-  void DrawTextureQuad(const DrawingFrame& frame,
+  void DrawTextureQuad(const DrawingFrame* frame,
                        const TextureDrawQuad* quad);
-  void DrawTileQuad(const DrawingFrame& frame,
+  void DrawTileQuad(const DrawingFrame* frame,
                     const TileDrawQuad* quad);
-  void DrawRenderPassQuad(const DrawingFrame& frame,
+  void DrawRenderPassQuad(const DrawingFrame* frame,
                           const RenderPassDrawQuad* quad);
-  void DrawUnsupportedQuad(const DrawingFrame& frame,
+  void DrawUnsupportedQuad(const DrawingFrame* frame,
                            const DrawQuad* quad);
 
   RendererCapabilities capabilities_;
   bool visible_;
   bool is_scissor_enabled_;
   gfx::Rect scissor_rect_;
 
   OutputSurface* output_surface_;
   SoftwareOutputDevice* output_device_;
   SkCanvas* root_canvas_;
   SkCanvas* current_canvas_;
   SkPaint current_paint_;
   scoped_ptr<ResourceProvider::ScopedWriteLockSoftware>
       current_framebuffer_lock_;
   CompositorFrame compositor_frame_;
 
   DISALLOW_COPY_AND_ASSIGN(SoftwareRenderer);
 };
 
 }
 
 #endif  // CC_OUTPUT_SOFTWARE_RENDERER_H_