Pepper: Move FileRef to the "new" resource proxy.

content/browser/renderer_host/pepper/pepper_file_ref_host.h

Index: content/browser/renderer_host/pepper/pepper_file_ref_host.h
diff --git a/content/browser/renderer_host/pepper/pepper_file_ref_host.h b/content/browser/renderer_host/pepper/pepper_file_ref_host.h
index 5d76576432613712d5eb83b46ac8604ec55e2aec..b97ff331ac0ac6d1f610cbdad1c50c00cc70a57a 100644
--- a/content/browser/renderer_host/pepper/pepper_file_ref_host.h
+++ b/content/browser/renderer_host/pepper/pepper_file_ref_host.h
@@ -42,8 +42,6 @@ class PepperFileRefBackend {
   virtual int32_t GetAbsolutePath(
       ppapi::host::ReplyMessageContext context) = 0;
   virtual fileapi::FileSystemURL GetFileSystemURL() const = 0;
-  virtual std::string GetFileSystemURLSpec() const = 0;
-  virtual base::FilePath GetExternalPath() const = 0;
 
   // Returns an error from the pp_errors.h enum.
   virtual int32_t CanRead() const = 0;
@@ -79,10 +77,6 @@ class CONTENT_EXPORT PepperFileRefHost
   PP_FileSystemType GetFileSystemType() const;
   fileapi::FileSystemURL GetFileSystemURL() const;
 
-  // Required to support FileIO.
-  std::string GetFileSystemURLSpec() const;
-  base::FilePath GetExternalPath() const;
-
   int32_t CanRead() const;
   int32_t CanWrite() const;
   int32_t CanCreate() const;