Fix remaining cc files to compile with Clang

cc/CCDelayBasedTimeSource.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 CCDelayBasedTimeSource_h
 #define CCDelayBasedTimeSource_h
 
 #include "CCTimeSource.h"
 #include "CCTimer.h"
 #include <wtf/PassRefPtr.h>
 
 namespace cc {
 
 class CCThread;
 
 // This timer implements a time source that achieves the specified interval
 // in face of millisecond-precision delayed callbacks and random queueing delays.
 class CCDelayBasedTimeSource : public CCTimeSource, CCTimerClient {
 public:
     static PassRefPtr<CCDelayBasedTimeSource> create(double intervalSeconds, CCThread*);
 
     virtual ~CCDelayBasedTimeSource() { }
 
-    virtual void setClient(CCTimeSourceClient* client) OVERRIDE { m_client = client; }
+    virtual void setClient(CCTimeSourceClient* client) OVERRIDE;
 
     // CCTimeSource implementation
     virtual void setTimebaseAndInterval(double timebase, double intervalSeconds) OVERRIDE;
 
     virtual void setActive(bool) OVERRIDE;
-    virtual bool active() const OVERRIDE { return m_state != STATE_INACTIVE; }
+    virtual bool active() const OVERRIDE;
 
     // Get the last and next tick times.
     virtual double lastTickTime() OVERRIDE;
     virtual double nextTickTimeIfActivated() OVERRIDE;
 
     // CCTimerClient implementation.
     virtual void onTimerFired() OVERRIDE;
 
     // Virtual for testing.
     virtual double monotonicTimeNow() const;
@@ skipping 28 matching lines @@
     Parameters m_currentParameters;
     Parameters m_nextParameters;
 
     State m_state;
     CCThread* m_thread;
     CCTimer m_timer;
 };
 
 }
 #endif // CCDelayBasedTimeSource_h