Rename WebCore namespace to blink in Platform

Source/platform/testing/TreeTestHelpers.cpp

 /*
  * Copyright (C) 2010 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
@@ skipping 10 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/testing/TreeTestHelpers.h"
 
 #include <cstdlib>
 
-namespace WebCore {
+namespace blink {
 namespace TreeTestHelpers {
 
 void initRandom(const int32_t seed)
 {
     srand(seed);
 }
 
 int32_t nextRandom(const int32_t maximumValue)
 {
     // rand_r is not available on Windows
     return rand() % maximumValue;
 }
 
 } // namespace TreeTestHelpers
-} // namespace WebCore
+} // namespace blink