Delete CC.

cc/output/vsync_parameter_observer.h

Index: cc/output/vsync_parameter_observer.h
diff --git a/cc/output/vsync_parameter_observer.h b/cc/output/vsync_parameter_observer.h
deleted file mode 100644
index e586925e110e5e2b1a9e3cbadbf854a76332d0c4..0000000000000000000000000000000000000000
--- a/cc/output/vsync_parameter_observer.h
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2014 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_OUTPUT_VSYNC_PARAMETER_OBSERVER_H_
-#define CC_OUTPUT_VSYNC_PARAMETER_OBSERVER_H_
-
-#include "base/time/time.h"
-
-// Interface for a class which observes the parameters regarding vsync
-// information.
-class VSyncParameterObserver {
- public:
-  virtual void OnUpdateVSyncParameters(base::TimeTicks timebase,
-                                       base::TimeDelta interval) = 0;
-};
-
-#endif  // CC_OUTPUT_VSYNC_PARAMETER_OBSERVER_H_