Rename WebCore namespace to blink in Platform

Source/platform/transforms/Matrix3DTransformOperation.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/transforms/Matrix3DTransformOperation.h"
 
 #include <algorithm>
 
 using namespace std;
 
-namespace WebCore {
+namespace blink {
 
 PassRefPtr<TransformOperation> Matrix3DTransformOperation::blend(const TransformOperation* from, double progress, bool blendToIdentity)
 {
     if (from && !from->isSameType(*this))
         return this;
 
     // Convert the TransformOperations into matrices
     FloatSize size;
     TransformationMatrix fromT;
     TransformationMatrix toT;
     if (from)
         from->apply(fromT, size);
 
     apply(toT, size);
 
     if (blendToIdentity)
         std::swap(fromT, toT);
 
     toT.blend(fromT, progress);
     return Matrix3DTransformOperation::create(toT);
 }
 
-} // namespace WebCore
+} // namespace blink