Implement transform/clip support for Android WebView.

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 "cc/base/cc_export.h"
@@ skipping 61 matching lines @@
     bool is_complete_;
 
     DISALLOW_COPY_AND_ASSIGN(CachedResource);
   };
 
   static gfx::RectF QuadVertexRect();
   static void QuadRectTransform(gfx::Transform* quad_rect_transform,
                                 const gfx::Transform& quad_transform,
                                 const gfx::RectF& quad_rect);
   static void InitializeMatrices(DrawingFrame* frame,
+                                 gfx::Vector2d offset,
                                  gfx::Rect draw_rect,
                                  bool flip_y);
-  static gfx::Rect MoveScissorToWindowSpace(const DrawingFrame* frame,
-                                            const gfx::RectF& scissor_rect);
+  gfx::Rect MoveScissorToWindowSpace(const DrawingFrame* frame,
+                                     const gfx::RectF& scissor_rect);
   static gfx::RectF ComputeScissorRectForRenderPass(const DrawingFrame* frame);
   void SetScissorStateForQuad(const DrawingFrame* frame, const DrawQuad& quad);
   void SetScissorStateForQuadWithRenderPassScissor(
       const DrawingFrame* frame,
       const DrawQuad& quad,
       const gfx::RectF& render_pass_scissor,
       bool* should_skip_quad);
 
   static gfx::Size RenderPassTextureSize(const RenderPass* render_pass);
   static GLenum RenderPassTextureFormat(const RenderPass* render_pass);
@@ skipping 27 matching lines @@
 
  private:
   gfx::Vector2d enlarge_pass_texture_amount_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_DIRECT_RENDERER_H_