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

cc/layers/texture_layer_unittest.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/layers/texture_layer.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 1068 matching lines @@
       SingleReleaseCallbackImpl::Create(test_data_.release_mailbox1_impl_));
   impl_layer->DidBecomeActive();
   EXPECT_TRUE(impl_layer->WillDraw(
       DRAW_MODE_HARDWARE, host_impl_.active_tree()->resource_provider()));
   impl_layer->DidDraw(host_impl_.active_tree()->resource_provider());
   impl_layer->SetTextureMailbox(TextureMailbox(), nullptr);
 }
 
 TEST_F(TextureLayerImplWithMailboxTest, TestCallbackOnInUseResource) {
   ResourceProvider* provider = host_impl_.active_tree()->resource_provider();
-  ResourceProvider::ResourceId id = provider->CreateResourceFromTextureMailbox(
+  ResourceId id = provider->CreateResourceFromTextureMailbox(
       test_data_.mailbox1_,
       SingleReleaseCallbackImpl::Create(test_data_.release_mailbox1_impl_));
   provider->AllocateForTesting(id);
 
   // Transfer some resources to the parent.
   ResourceProvider::ResourceIdArray resource_ids_to_transfer;
   resource_ids_to_transfer.push_back(id);
   TransferableResourceArray list;
   provider->PrepareSendToParent(resource_ids_to_transfer, &list);
   EXPECT_TRUE(provider->InUseByConsumer(id));
@@ skipping 442 matching lines @@
   int callback_count_;
   scoped_refptr<Layer> root_;
   scoped_refptr<TextureLayer> layer_;
 };
 
 SINGLE_AND_MULTI_THREAD_DIRECT_RENDERER_TEST_F(
     TextureLayerWithMailboxImplThreadDeleted);
 
 }  // namespace
 }  // namespace cc