Update CrOS to use scoped_refptr<T>::get() rather than implicit "operator T*"

cc/resources/raster_worker_pool.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/resources/raster_worker_pool.h"
 
 #include "base/json/json_writer.h"
 #include "base/metrics/histogram.h"
 #include "base/values.h"
 #include "cc/debug/devtools_instrumentation.h"
@@ skipping 393 matching lines @@
 }
 
 void RasterWorkerPool::SetRasterTasks(RasterTask::Queue* queue) {
   raster_tasks_.swap(queue->tasks_);
 }
 
 void RasterWorkerPool::ScheduleRasterTasks(const RootTask& root) {
   scoped_refptr<internal::WorkerPoolTask> new_root(root.internal_);
 
   TaskGraph graph;
-  BuildTaskGraph(new_root, &graph);
+  BuildTaskGraph(new_root.get(), &graph);
   WorkerPool::SetTaskGraph(&graph);
 
   root_.swap(new_root);
 }
 
 }  // namespace cc