Rename WebCore namespace to blink in Platform

Source/platform/fonts/FontCacheTest.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/fonts/FontCache.h"
 
 #include "platform/fonts/FontDescription.h"
 #include "platform/fonts/SimpleFontData.h"
 #include "public/platform/Platform.h"
 #include <gtest/gtest.h>
 
-namespace WebCore {
+namespace blink {
 
 class EmptyPlatform : public blink::Platform {
 public:
     EmptyPlatform() { }
     virtual ~EmptyPlatform() { }
     virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t length) OVERRIDE { }
 };
 
 TEST(FontCache, getLastResortFallbackFont)
 {
@@ skipping 12 matching lines @@
     RefPtr<SimpleFontData> fontData = fontCache->getLastResortFallbackFont(fontDescription, Retain);
     EXPECT_TRUE(fontData);
 
     fontDescription.setGenericFamily(FontDescription::SansSerifFamily);
     fontData = fontCache->getLastResortFallbackFont(fontDescription, Retain);
     EXPECT_TRUE(fontData);
 
     blink::Platform::initialize(oldPlatform);
 }
 
-} // namespace WebCore
+} // namespace blink