Make cc_unittests and webkit_compositor_unittests executable always

webkit/compositor_bindings/WebAnimationCurveCommon.cpp

 // Copyright 2012 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 "WebAnimationCurveCommon.h"
 
 #include "CCTimingFunction.h"
 
@@ skipping 13 matching lines @@
         return WebCore::CCEaseOutTimingFunction::create();
     case WebAnimationCurve::TimingFunctionTypeEaseInOut:
         return WebCore::CCEaseInOutTimingFunction::create();
     case WebAnimationCurve::TimingFunctionTypeLinear:
         return nullptr;
     }
     return nullptr;
 }
 
 } // namespace WebKit