content: Rename raster threads to worker threads.

components/view_manager/gles2/raster_thread_helper.cc

 // Copyright 2015 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 "components/view_manager/gles2/raster_thread_helper.h"
 
 #include "base/logging.h"
 #include "base/threading/simple_thread.h"
 #include "cc/raster/task_graph_runner.h"
 
 namespace gles2 {
 
 class RasterThreadHelper::RasterThread : public base::SimpleThread {
  public:
   RasterThread(cc::TaskGraphRunner* task_graph_runner)
-      : base::SimpleThread("CompositorTileWorker1"),
-        task_graph_runner_(task_graph_runner) {}
+      : base::SimpleThread("Worker1"), task_graph_runner_(task_graph_runner) {}
 
   // Overridden from base::SimpleThread:
   void Run() override { task_graph_runner_->Run(); }
 
  private:
   cc::TaskGraphRunner* task_graph_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(RasterThread);
 };
 
 RasterThreadHelper::RasterThreadHelper()
     : task_graph_runner_(new cc::TaskGraphRunner),
       raster_thread_(new RasterThread(task_graph_runner_.get())) {
   raster_thread_->Start();
 }
 
 RasterThreadHelper::~RasterThreadHelper() {
   task_graph_runner_->Shutdown();
   raster_thread_->Join();
 }
 
 }  // namespace gles2