Remove WebKit::Platform dependencies from cc

cc/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 "config.h"
 
 #include "cc/rate_limiter.h"
 
 #include "base/debug/trace_event.h"
 #include "cc/proxy.h"
 #include "cc/thread.h"
 #include <public/WebGraphicsContext3D.h>
 
 namespace cc {
 
-class RateLimiter::Task : public Thread::Task {
-public:
-    static PassOwnPtr<Task> create(RateLimiter* rateLimiter)
-    {
-        return adoptPtr(new Task(rateLimiter));
-    }
-    virtual ~Task() { }
-
-private:
-    explicit Task(RateLimiter* rateLimiter)
-        : Thread::Task(this)
-        , m_rateLimiter(rateLimiter)
-    {
-    }
-
-    virtual void performTask() OVERRIDE
-    {
-        m_rateLimiter->rateLimitContext();
-    }
-
-    scoped_refptr<RateLimiter> m_rateLimiter;
-};
-
 scoped_refptr<RateLimiter> RateLimiter::create(WebKit::WebGraphicsContext3D* context, RateLimiterClient *client)
 {
     return make_scoped_refptr(new RateLimiter(context, client));
 }
 
 RateLimiter::RateLimiter(WebKit::WebGraphicsContext3D* context, RateLimiterClient *client)
     : m_context(context)
     , m_active(false)
     , m_client(client)
 {
     DCHECK(context);
 }
 
 RateLimiter::~RateLimiter()
 {
 }
 
 void RateLimiter::start()
 {
     if (m_active)
         return;
 
     TRACE_EVENT0("cc", "RateLimiter::start");
     m_active = true;
-    Proxy::mainThread()->postTask(RateLimiter::Task::create(this));
+    Proxy::mainThread()->postTask(base::Bind(&RateLimiter::rateLimitContext, this));
 }
 
 void RateLimiter::stop()
 {
     TRACE_EVENT0("cc", "RateLimiter::stop");
     m_client = 0;
 }
 
 void RateLimiter::rateLimitContext()
 {
     if (!m_client)
         return;
 
     TRACE_EVENT0("cc", "RateLimiter::rateLimitContext");
 
     m_active = false;
     m_client->rateLimit();
     m_context->rateLimitOffscreenContextCHROMIUM();
 }
 
 }