cc: Refactored Tile::GetResourceId

cc/tile.cc

 // 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.
 
 #include "cc/tile.h"
 
 #include "base/stringprintf.h"
+#include "cc/tile_drawing_info.h"
 #include "cc/tile_manager.h"
 #include "third_party/khronos/GLES2/gl2.h"
 
 namespace cc {
 
 Tile::Tile(TileManager* tile_manager,
            PicturePileImpl* picture_pile,
            gfx::Size tile_size,
            GLenum format,
            gfx::Rect content_rect,
            gfx::Rect opaque_rect,
            float contents_scale,
            int layer_id)
   : tile_manager_(tile_manager),
     tile_size_(tile_size),
     format_(format),
     content_rect_(content_rect),
     opaque_rect_(opaque_rect),
     contents_scale_(contents_scale),
-    layer_id_(layer_id) {
+    layer_id_(layer_id),
+    drawing_info_(this) {
   set_picture_pile(picture_pile);
   tile_manager_->RegisterTile(this);
 }
 
 Tile::~Tile() {
   tile_manager_->UnregisterTile(this);
 }
 
 scoped_ptr<base::Value> Tile::AsValue() const {
   scoped_ptr<base::DictionaryValue> res(new base::DictionaryValue());
   res->SetString("id", base::StringPrintf("%p", this));
   res->SetString("picture_pile", base::StringPrintf("%p",
                                                     picture_pile_.get()));
   res->SetDouble("contents_scale", contents_scale_);
   res->Set("priority.0", priority_[ACTIVE_TREE].AsValue().release());
   res->Set("priority.1", priority_[PENDING_TREE].AsValue().release());
   res->Set("managed_state", managed_state_.AsValue().release());
   return res.PassAs<base::Value>();
 }
 
 }  // namespace cc