Remove the path from PlatformFileInfo; it's cleaner just to pass it along as a

webkit/fileapi/file_system_callback_dispatcher.h

Index: webkit/fileapi/file_system_callback_dispatcher.h
===================================================================
--- webkit/fileapi/file_system_callback_dispatcher.h	(revision 79607)
+++ webkit/fileapi/file_system_callback_dispatcher.h	(working copy)
@@ -22,7 +22,9 @@
   virtual void DidSucceed() = 0;
 
   // Callback to report information for a file.
-  virtual void DidReadMetadata(const base::PlatformFileInfo& file_info) = 0;
+  virtual void DidReadMetadata(
+      const base::PlatformFileInfo& file_info,
+      const FilePath& platform_path) = 0;
 
   // Callback to report the contents of a directory. If the contents of
   // the given directory are reported in one batch, then |entries| will have