Rename WebCore namespace to blink in Platform

Source/platform/animation/TimingFunction.cpp

 // 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.
 
 #include "config.h"
 #include "platform/animation/TimingFunction.h"
 
 #include "wtf/MathExtras.h"
 
-namespace WebCore {
+namespace blink {
 
 String LinearTimingFunction::toString() const
 {
     return "linear";
 }
 
 double LinearTimingFunction::evaluate(double fraction, double) const
 {
     return fraction;
 }
@@ skipping 198 matching lines @@
     }
     return false;
 }
 
 // No need to define specific operator!= as they can all come via this function.
 bool operator!=(const TimingFunction& lhs, const TimingFunction& rhs)
 {
     return !(lhs == rhs);
 }
 
-} // namespace WebCore
+} // namespace blink