Make cc a component

cc/thread_impl.h

 // 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.
 
 #ifndef CC_THREAD_IMPL_H_
 #define CC_THREAD_IMPL_H_
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop_proxy.h"
+#include "cc/cc_export.h"
 #include "cc/thread.h"
 
 namespace cc {
 
 // Implements cc::Thread in terms of base::MessageLoopProxy.
-class ThreadImpl : public Thread {
+class CC_EXPORT ThreadImpl : public Thread {
 public:
     // Creates a ThreadImpl wrapping the current thread.
     static scoped_ptr<cc::Thread> createForCurrentThread();
 
     // Creates a Thread wrapping a non-current thread.
     static scoped_ptr<cc::Thread> createForDifferentThread(scoped_refptr<base::MessageLoopProxy> thread);
 
     virtual ~ThreadImpl();
 
     // cc::Thread implementation
     virtual void postTask(base::Closure cb) OVERRIDE;
     virtual void postDelayedTask(base::Closure cb, long long delayMs) OVERRIDE;
     virtual bool belongsToCurrentThread() const OVERRIDE;
 
 private:
     explicit ThreadImpl(scoped_refptr<base::MessageLoopProxy> thread);
 
     scoped_refptr<base::MessageLoopProxy> m_thread;
 };
 
 } // namespace cc
 
 #endif  // CC_THREAD_IMPL_H_