Cleanup namespace usage in Source/core/platform/[A-Z]*.h

Source/platform/PODInterval.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 42 matching lines @@
 //   - operator==
 //   - operator=
 //
 // If the UserData type is specified, it must support a copy
 // constructor and assignment operator.
 //
 // In debug mode, printing of intervals and the data they contain is
 // enabled. This requires the following template specializations to be
 // available:
 //
-//   template<> struct blink::ValueToString<T> {
+//   template<> struct ValueToString<T> {
 //       static String string(const T& t);
 //   };
-//   template<> struct blink::ValueToString<UserData> {
+//   template<> struct ValueToString<UserData> {
 //       static String string(const UserData& t);
 //   };
 //
 // Note that this class requires a copy constructor and assignment
 // operator in order to be stored in the red-black tree.
 
 #ifndef NDEBUG
 template<class T>
 struct ValueToString;
 #endif
@@ skipping 77 matching lines @@
 private:
     T m_low;
     T m_high;
     UserData m_data;
     T m_maxHigh;
 };
 
 } // namespace blink
 
 #endif // PODInterval_h