Rename WebCore namespace to blink in Platform

Source/platform/graphics/CompositingReasons.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/graphics/CompositingReasons.h"
 
 #include "wtf/StdLibExtras.h"
 
-namespace WebCore {
+namespace blink {
 
 const CompositingReasonStringMap kCompositingReasonStringMap[] = {
     { CompositingReasonNone,
         "Unknown",
         "No reason given" },
     { CompositingReason3DTransform,
         "transform3D",
         "Has a 3d transform" },
     { CompositingReasonVideo,
         "video",
@@ skipping 163 matching lines @@
     { CompositingReasonLayerForScrollingBlockSelection,
         "layerForScrollingBlockSelection",
         "Secondary layer, to house block selection gaps for composited scrolling with no scrolling contents" },
     { CompositingReasonInlineTransform,
         "inlineTransform",
         "Has an inline transform, which causes subsequent layers to assume overlap" },
 };
 
 size_t kNumberOfCompositingReasons = WTF_ARRAY_LENGTH(kCompositingReasonStringMap);
 
-} // namespace WebCore
+} // namespace blink