Implement on demand quad rasterization for PicturePiles.

cc/quads/content_draw_quad_base.h

Index: cc/quads/content_draw_quad_base.h
diff --git a/cc/quads/tile_draw_quad.h b/cc/quads/content_draw_quad_base.h
similarity index 63%
copy from cc/quads/tile_draw_quad.h
copy to cc/quads/content_draw_quad_base.h
index e39a281aa8462c1d92cc683f72286937d1582f32..f91390b02bc1965f96007084fe12f89224c196de 100644
--- a/cc/quads/tile_draw_quad.h
+++ b/cc/quads/content_draw_quad_base.h
@@ -1,9 +1,9 @@
-// Copyright 2012 The Chromium Authors. All rights reserved.
+// Copyright 2013 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_QUADS_TILE_DRAW_QUAD_H_
-#define CC_QUADS_TILE_DRAW_QUAD_H_
+#ifndef CC_QUADS_CONTENT_DRAW_QUAD_BASE_H_
+#define CC_QUADS_CONTENT_DRAW_QUAD_BASE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
@@ -14,42 +14,35 @@
 
 namespace cc {
 
-class CC_EXPORT TileDrawQuad : public DrawQuad {
+class CC_EXPORT ContentDrawQuadBase : public DrawQuad {
  public:
-  static scoped_ptr<TileDrawQuad> Create();
-
   void SetNew(const SharedQuadState* shared_quad_state,
+              DrawQuad::Material material,
               gfx::Rect rect,
               gfx::Rect opaque_rect,
-              unsigned resource_id,
               const gfx::RectF& tex_coord_rect,
               gfx::Size texture_size,
               bool swizzle_contents);
 
   void SetAll(const SharedQuadState* shared_quad_state,
+              DrawQuad::Material material,
               gfx::Rect rect,
               gfx::Rect opaque_rect,
               gfx::Rect visible_rect,
               bool needs_blending,
-              unsigned resource_id,
               const gfx::RectF& tex_coord_rect,
               gfx::Size texture_size,
               bool swizzle_contents);
 
-  unsigned resource_id;
   gfx::RectF tex_coord_rect;
   gfx::Size texture_size;
   bool swizzle_contents;
 
-  virtual void IterateResources(const ResourceIteratorCallback& callback)
-      OVERRIDE;
-
-  static const TileDrawQuad* MaterialCast(const DrawQuad*);
-
- private:
-  TileDrawQuad();
+ protected:
+  ContentDrawQuadBase();
+  virtual ~ContentDrawQuadBase();
 };
 
-}  // namespace cc
+}
 
-#endif  // CC_QUADS_TILE_DRAW_QUAD_H_
+#endif  // CC_QUADS_CONTENT_DRAW_QUAD_BASE_H_