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

cc/test/fake_ui_resource_layer_tree_host_impl.cc

 // 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.
 
 #include "cc/test/fake_ui_resource_layer_tree_host_impl.h"
 
 #include "cc/resources/ui_resource_bitmap.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 
 namespace cc {
@@ skipping 16 matching lines @@
   data.resource_id = resource_provider()->CreateResource(
       bitmap.GetSize(), GL_CLAMP_TO_EDGE,
       ResourceProvider::TEXTURE_HINT_IMMUTABLE, RGBA_8888);
 
   data.size = bitmap.GetSize();
   data.opaque = bitmap.GetOpaque();
   fake_ui_resource_map_[uid] = data;
 }
 
 void FakeUIResourceLayerTreeHostImpl::DeleteUIResource(UIResourceId uid) {
-  ResourceProvider::ResourceId id = ResourceIdForUIResource(uid);
+  ResourceId id = ResourceIdForUIResource(uid);
   if (id)
     fake_ui_resource_map_.erase(uid);
 }
 
-ResourceProvider::ResourceId
-    FakeUIResourceLayerTreeHostImpl::ResourceIdForUIResource(
-        UIResourceId uid) const {
+ResourceId FakeUIResourceLayerTreeHostImpl::ResourceIdForUIResource(
+    UIResourceId uid) const {
   UIResourceMap::const_iterator iter = fake_ui_resource_map_.find(uid);
   if (iter != fake_ui_resource_map_.end())
     return iter->second.resource_id;
   return 0;
 }
 
 bool FakeUIResourceLayerTreeHostImpl::IsUIResourceOpaque(UIResourceId uid)
     const {
   UIResourceMap::const_iterator iter = fake_ui_resource_map_.find(uid);
   DCHECK(iter != fake_ui_resource_map_.end());
   return iter->second.opaque;
 }
 
 }  // namespace cc