cc: Remove cc::Thread and cc::ThreadImpl.

cc/scheduler/rate_limiter.cc

 // Copyright 2011 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/scheduler/rate_limiter.h"
 
 #include "base/debug/trace_event.h"
-#include "cc/base/thread.h"
+#include "base/location.h"
+#include "base/single_thread_task_runner.h"
 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 
 namespace cc {
 
 scoped_refptr<RateLimiter> RateLimiter::Create(
     WebKit::WebGraphicsContext3D* context,
     RateLimiterClient* client,
-    Thread* thread) {
-  return make_scoped_refptr(new RateLimiter(context, client, thread));
+    base::SingleThreadTaskRunner* task_runner) {
+  return make_scoped_refptr(new RateLimiter(context, client, task_runner));
 }
 
 RateLimiter::RateLimiter(WebKit::WebGraphicsContext3D* context,
                          RateLimiterClient* client,
-                         Thread* thread)
+                         base::SingleThreadTaskRunner* task_runner)
     : context_(context),
       active_(false),
       client_(client),
-      thread_(thread) {
+      task_runner_(task_runner) {
   DCHECK(context);
 }
 
 RateLimiter::~RateLimiter() {}
 
 void RateLimiter::Start() {
   if (active_)
     return;
 
   TRACE_EVENT0("cc", "RateLimiter::Start");
   active_ = true;
-  thread_->PostTask(base::Bind(&RateLimiter::RateLimitContext, this));
+  task_runner_->PostTask(FROM_HERE,
+                         base::Bind(&RateLimiter::RateLimitContext, this));
 }
 
 void RateLimiter::Stop() {
   TRACE_EVENT0("cc", "RateLimiter::Stop");
   client_ = NULL;
 }
 
 void RateLimiter::RateLimitContext() {
   if (!client_)
     return;
 
   TRACE_EVENT0("cc", "RateLimiter::RateLimitContext");
 
   active_ = false;
   client_->RateLimit();
   context_->rateLimitOffscreenContextCHROMIUM();
 }
 
 }  // namespace cc