Rename WebCore namespace to blink in Platform

Source/platform/testing/TreeTestHelpers.h

 /*
  * 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 15 matching lines @@
 // Simple pseudorandom number generator helper functions, used by the
 // red-black and interval tree tests.
 //
 // These are **not** thread safe!
 
 #ifndef TreeTestHelpers_h
 #define TreeTestHelpers_h
 
 #include <stdint.h>
 
-namespace WebCore {
+namespace blink {
 namespace TreeTestHelpers {
 
 // Initializes the pseudo-random number generator with a specific seed.
 void initRandom(const int32_t seed);
 
 // Produces the next pseudo-random number in the sequence, in the
 // range from [0..maximumValue). Negative numbers are not allowed and will
 // produce undefined results.
 int32_t nextRandom(const int32_t maximumValue);
 
 } // namespace TreeTestHelpers
-} // namespace WebCore
+} // namespace blink
 
 #endif // TreeTestHelpers_h