cc: Don't upload UI resources twice after eviction

cc/test/fake_scoped_ui_resource.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_scoped_ui_resource.h"
 
 #include "base/memory/ptr_util.h"
 #include "cc/trees/layer_tree_host.h"
 
 namespace cc {
@@ skipping 14 matching lines @@
 
 FakeScopedUIResource::FakeScopedUIResource(LayerTreeHost* host)
     : ScopedUIResource(host, CreateMockUIResourceBitmap()) {
   // The constructor of ScopedUIResource already created a resource so we need
   // to delete the created resource to wipe the state clean.
   host_->DeleteUIResource(id_);
   ResetCounters();
   id_ = host_->CreateUIResource(this);
 }
 
+void FakeScopedUIResource::DeleteResource() {
+  host_->DeleteUIResource(id_);
+  id_ = 0;
+}
+
 UIResourceBitmap FakeScopedUIResource::GetBitmap(UIResourceId uid,
                                                  bool resource_lost) {
   resource_create_count++;
   if (resource_lost)
     lost_resource_count++;
   return ScopedUIResource::GetBitmap(uid, resource_lost);
 }
 
 void FakeScopedUIResource::ResetCounters() {
   resource_create_count = 0;
   lost_resource_count = 0;
 }
 
 }  // namespace cc