cc: Consolidate the analysis_canvas operations

cc/tile.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_TILE_H_
 #define CC_TILE_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 42 matching lines @@
   // Returns 0 if not drawable.
   ResourceProvider::ResourceId GetResourceId() const {
     if (!managed_state_.resource)
       return 0;
     if (managed_state_.resource_is_being_initialized)
       return 0;
 
     return managed_state_.resource->id();
   }
 
+  bool is_ready_to_draw() const {
+    return GetResourceId() != 0 ||
+           is_solid_color_ ||
+           is_transparent_;
+  }
+
+  bool is_solid_color() const {
+    return is_solid_color_;
+  }
+
+  void set_solid_color(const SkColor& color) {
+    is_solid_color_ = true;
+    solid_color_ = color;
+  }
+
+  bool is_transparent() const {
+    return is_transparent_;
+  }
+
+  void set_transparent(bool flag) {
+    is_transparent_ = flag;
+  }
+
+  SkColor get_solid_color() const {
+    return solid_color_;
+  }
+
+  void set_cheap(bool flag) {
+    is_cheap_ = flag;
+  }
+
+  bool is_cheap() const {
+    return is_cheap_;
+  }
+
   const gfx::Rect& opaque_rect() const { return opaque_rect_; }
 
   bool contents_swizzled() const { return managed_state_.contents_swizzled; }
 
   float contents_scale() const { return contents_scale_; }
   gfx::Rect content_rect() const { return content_rect_; }
 
   void set_picture_pile(scoped_refptr<PicturePileImpl> pile) {
    picture_pile_ = pile;
   }
@@ skipping 20 matching lines @@
   TileManager* tile_manager_;
   scoped_refptr<PicturePileImpl> picture_pile_;
   gfx::Rect tile_size_;
   GLenum format_;
   gfx::Rect content_rect_;
   float contents_scale_;
   gfx::Rect opaque_rect_;
 
   TilePriority priority_[NUM_BIN_PRIORITIES];
   ManagedTileState managed_state_;
+
+  SkColor solid_color_;
+  bool is_solid_color_;
+  bool is_transparent_;
+  bool is_cheap_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TILE_H_