Browser side changes for software compositing

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 67 matching lines @@
   void DrawTileQuad(const DrawingFrame* frame,
                     const TileDrawQuad* quad);
   void DrawRenderPassQuad(const DrawingFrame* frame,
                           const RenderPassDrawQuad* quad);
   void DrawUnsupportedQuad(const DrawingFrame* frame,
                            const DrawQuad* quad);
 
   RendererCapabilities capabilities_;
   bool visible_;
   bool is_scissor_enabled_;
+  bool is_viewport_changed_;
   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);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_SOFTWARE_RENDERER_H_