Fix a bug that prevents all reuse of ResourcePool resources.

cc/resources/resource.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_RESOURCES_RESOURCE_H_
 #define CC_RESOURCES_RESOURCE_H_
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "cc/base/cc_export.h"
@@ skipping 16 matching lines @@
   gfx::Size size() const { return size_; }
   ResourceFormat format() const { return format_; }
   const gfx::ColorSpace& color_space() const { return color_space_; }
 
  protected:
   void set_id(ResourceId id) { id_ = id; }
   void set_dimensions(const gfx::Size& size, ResourceFormat format) {
     size_ = size;
     format_ = format;
   }
+  void set_color_space(const gfx::ColorSpace& color_space) {
+    color_space_ = color_space;
+  }
 
  private:
   ResourceId id_;
   gfx::Size size_;
   ResourceFormat format_;
   gfx::ColorSpace color_space_;
 
   DISALLOW_COPY_AND_ASSIGN(Resource);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RESOURCE_H_