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

cc/trees/layer_tree_host_unittest_context.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/trees/layer_tree_host.h"
 
 #include "base/basictypes.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/delegated_frame_provider.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
@@ skipping 986 matching lines @@
     pass->AppendOneOfEveryQuadType(child_resource_provider_.get(),
                                    RenderPassId(2, 1));
 
     frame_data->render_pass_list.push_back(pass_for_quad.Pass());
     frame_data->render_pass_list.push_back(pass.Pass());
 
     delegated_resource_collection_ = new DelegatedFrameResourceCollection;
     delegated_frame_provider_ = new DelegatedFrameProvider(
         delegated_resource_collection_.get(), frame_data.Pass());
 
-    ResourceProvider::ResourceId resource =
-        child_resource_provider_->CreateResource(
-            gfx::Size(4, 4), GL_CLAMP_TO_EDGE,
-            ResourceProvider::TEXTURE_HINT_IMMUTABLE, RGBA_8888);
+    ResourceId resource = child_resource_provider_->CreateResource(
+        gfx::Size(4, 4), GL_CLAMP_TO_EDGE,
+        ResourceProvider::TEXTURE_HINT_IMMUTABLE, RGBA_8888);
     ResourceProvider::ScopedWriteLockGL lock(child_resource_provider_.get(),
                                              resource);
 
     gpu::Mailbox mailbox;
     gl->GenMailboxCHROMIUM(mailbox.name);
     GLuint sync_point = gl->InsertSyncPointCHROMIUM();
 
     scoped_refptr<Layer> root = Layer::Create();
     root->SetBounds(gfx::Size(10, 10));
     root->SetIsDrawable(true);
@@ skipping 777 matching lines @@
   void AfterTest() override {}
 
   bool deferred_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostContextTestLoseAfterSendingBeginMainFrame);
 
 }  // namespace
 }  // namespace cc