Rename cc::ResourceProvider::ResourceId to cc::ResourceId and move it to its own file.

cc/resources/prioritized_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_PRIORITIZED_RESOURCE_H_
 #define CC_RESOURCES_PRIORITIZED_RESOURCE_H_
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 64 matching lines @@
   bool RequestLate();
 
   // Update pixels of backing resource from image. This functions will aquire
   // the backing if needed.
   void SetPixels(ResourceProvider* resource_provider,
                  const uint8_t* image,
                  const gfx::Rect& image_rect,
                  const gfx::Rect& source_rect,
                  const gfx::Vector2d& dest_offset);
 
-  ResourceProvider::ResourceId resource_id() const {
-    return backing_ ? backing_->id() : 0;
-  }
+  ResourceId resource_id() const { return backing_ ? backing_->id() : 0; }
 
   // Self-managed textures are accounted for when prioritizing other textures,
   // but they are not allocated/recycled/deleted, so this needs to be done
   // externally. CanAcquireBackingTexture() indicates if the texture would have
   // been allowed given its priority.
   void set_is_self_managed(bool is_self_managed) {
     is_self_managed_ = is_self_managed;
   }
   bool is_self_managed() { return is_self_managed_; }
   void SetToSelfManagedMemoryPlaceholder(size_t bytes);
@@ skipping 77 matching lines @@
 
   Backing* backing_;
   PrioritizedResourceManager* manager_;
 
   DISALLOW_COPY_AND_ASSIGN(PrioritizedResource);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_PRIORITIZED_RESOURCE_H_