core/platform: Include wtf files using "wtf/foo.h" form.

Source/core/platform/FileMetadata.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:
  *
  *     * 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 14 matching lines @@
  * 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 FileMetadata_h
 #define FileMetadata_h
 
 #include "core/platform/FileSystem.h"
-#include <wtf/text/WTFString.h>
+#include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 struct FileMetadata {
     // The last modification time of the file, in seconds.
     // The value 0.0 means that the time is not set.
     double modificationTime;
 
     // The length of the file in bytes.
     // The value -1 means that the length is not set.
     long long length;
 
     enum Type {
         TypeUnknown = 0,
         TypeFile,
         TypeDirectory
     };
 
     Type type;
     String platformPath;
 
     FileMetadata() : modificationTime(invalidFileTime()), length(-1), type(TypeUnknown) { }
 };
 
 } // namespace WebCore
 
 #endif // FileMetadata_h