Add FilePath to base namespace.

webkit/fileapi/media/media_path_filter.h

Index: webkit/fileapi/media/media_path_filter.h
diff --git a/webkit/fileapi/media/media_path_filter.h b/webkit/fileapi/media/media_path_filter.h
index 9079b8def6cfb86419836f4981816a3688f69337..694be4ea76dd4c5a884cc83a6c4801d8037fa5a1 100644
--- a/webkit/fileapi/media/media_path_filter.h
+++ b/webkit/fileapi/media/media_path_filter.h
@@ -11,7 +11,9 @@
 #include "base/synchronization/lock.h"
 #include "webkit/storage/webkit_storage_export.h"
 
+namespace base {
 class FilePath;
+}
 
 namespace fileapi {
 
@@ -21,10 +23,10 @@ class WEBKIT_STORAGE_EXPORT MediaPathFilter {
  public:
   MediaPathFilter();
   ~MediaPathFilter();
-  bool Match(const FilePath& path);
+  bool Match(const base::FilePath& path);
 
  private:
-  typedef std::vector<FilePath::StringType> MediaFileExtensionList;
+  typedef std::vector<base::FilePath::StringType> MediaFileExtensionList;
 
   void EnsureInitialized();