Rename WebCore namespace to blink in Platform

Source/platform/FileSystemType.h

 /*
  * Copyright (C) 2012 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 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.
  */
 
 #ifndef FileSystemType_h
 #define FileSystemType_h
 
-namespace WebCore {
+namespace blink {
 
 // For file system types used in FileSystem API.
 enum FileSystemType {
     FileSystemTypeTemporary,
     FileSystemTypePersistent,
 
     // Transient isolated non-sandboxed filesystem.
     FileSystemTypeIsolated,
 
     // Non-sandbox filesystem.
     FileSystemTypeExternal,
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // FileSystemType_h