[cc] Rename all cc/ filenames to Chromium style

cc/thread.h

-// Copyright 2012 The Chromium Authors. All rights reserved.
+// 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 CCThread_h
+#define CCThread_h
+
+#include "base/basictypes.h"
+#include "base/threading/platform_thread.h"
+#include <wtf/PassOwnPtr.h>
+
+namespace cc {
+
+// CCThread provides basic infrastructure for messaging with the compositor in a
+// platform-neutral way.
+class CCThread {
+public:
+    virtual ~CCThread() { }
+
+    class Task {
+    public:
+        virtual ~Task() { }
+        virtual void performTask() = 0;
+        void* instance() const { return m_instance; }
+    protected:
+        Task(void* instance) : m_instance(instance) { }
+        void* m_instance;
+    private:
+        DISALLOW_COPY_AND_ASSIGN(Task);
+    };
+
+    // Executes the task on context's thread asynchronously.
+    virtual void postTask(PassOwnPtr<Task>) = 0;
+
+    // Executes the task after the specified delay.
+    virtual void postDelayedTask(PassOwnPtr<Task>, long long delayMs) = 0;
+
+    virtual base::PlatformThreadId threadID() const = 0;
+};
+
+}
+
+#endif