Rename WebCore namespace to blink in Platform

Source/platform/PurgeableVectorTest.cpp

 /*
  * Copyright (C) 2014 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 
 #include "platform/TestingPlatformSupport.h"
 #include "public/platform/WebDiscardableMemory.h"
 #include "wtf/Vector.h"
 
 #include <algorithm>
 #include <cstdlib>
 
 #include <gtest/gtest.h>
 
-using namespace WebCore;
+using namespace blink;
 
 namespace {
 
 const size_t kTestSize = 32 * 1024;
 
 enum DiscardableMemorySupport {
     DontSupportDiscardableMemory,
     SupportDiscardableMemory,
 };
 
@@ skipping 274 matching lines @@
         ASSERT_EQ(0, memcmp(purgeableVector.data(), testData.data(), testData.size()));
 }
 
 // Instantiates all the unit tests using the SharedBufferTestWithPlatformSupport fixture both with
 // and without discardable memory support.
 INSTANTIATE_TEST_CASE_P(testsWithPlatformSetUp, PurgeableVectorTestWithPlatformSupport,
     ::testing::Values(DontSupportDiscardableMemory, SupportDiscardableMemory));
 
 } // namespace