Rename WebCore namespace to blink in Platform

Source/platform/LifecycleContextTest.cpp

 /*
  * Copyright (C) 2013 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:
  * 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 13 matching lines @@
  *
  */
 
 #include "config.h"
 
 #include "platform/LifecycleContext.h"
 
 #include "platform/LifecycleNotifier.h"
 #include <gtest/gtest.h>
 
-using namespace WebCore;
+using namespace blink;
 
 namespace {
 class DummyContext : public LifecycleContext<DummyContext> {
 };
 }
 
-namespace WebCore {
+namespace blink {
 
 template<> void observerContext(DummyContext* context, LifecycleObserver<DummyContext>* observer)
 {
     context->wasObservedBy(observer);
 }
 
 template<> void unobserverContext(DummyContext* context, LifecycleObserver<DummyContext>* observer)
 {
     context->wasUnobservedBy(observer);
 }
@@ skipping 40 matching lines @@
     OwnPtr<TestingObserver> observer = adoptPtr(new TestingObserver(context.get()));
 
     observer->unobserve();
     context.clear();
     EXPECT_EQ(observer->lifecycleContext(), static_cast<DummyContext*>(0));
     EXPECT_FALSE(observer->m_contextDestroyedCalled);
 }
 
 
 }