Rename WebCore namespace to blink in Platform

Source/platform/heap/RunAllTests.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 36 matching lines @@
 static void AlwaysZeroNumberSource(unsigned char* buf, size_t len)
 {
     memset(buf, '\0', len);
 }
 
 int main(int argc, char** argv)
 {
     WTF::setRandomSource(AlwaysZeroNumberSource);
     WTF::initialize(CurrentTime, 0);
     WTF::initializeMainThread(0);
-    WebCore::Heap::init();
-    WebCore::ThreadState::attachMainThread();
-    WebCore::EventTracer::initialize();
+    blink::Heap::init();
+    blink::ThreadState::attachMainThread();
+    blink::EventTracer::initialize();
     int result = base::RunUnitTestsUsingBaseTestSuite(argc, argv);
-    WebCore::ThreadState::detachMainThread();
-    WebCore::Heap::shutdown();
+    blink::ThreadState::detachMainThread();
+    blink::Heap::shutdown();
     return result;
 }