gdata: Export PlatformFileInfo/Proto conversion functions

chrome/browser/chromeos/gdata/gdata_files.h

Index: chrome/browser/chromeos/gdata/gdata_files.h
diff --git a/chrome/browser/chromeos/gdata/gdata_files.h b/chrome/browser/chromeos/gdata/gdata_files.h
index 9f581391e401952e19a137fae1a2ad4a055d66a7..e53102a140e14b73c00c6ccbd7921454e1172d23 100644
--- a/chrome/browser/chromeos/gdata/gdata_files.h
+++ b/chrome/browser/chromeos/gdata/gdata_files.h
@@ -33,6 +33,7 @@ class GDataEntryProto;
 class GDataFileProto;
 class GDataDirectoryProto;
 class GDataRootDirectoryProto;
+class PlatformFileInfoProto;
 
 // Directory content origin.
 enum ContentOrigin {
@@ -81,6 +82,16 @@ class GDataEntry {
   static scoped_ptr<GDataEntry> FromProtoString(
       const std::string& serialized_proto);
 
+  // Converts the proto representation to the platform file.
+  static void ConvertProtoToPlatformFileInfo(
+      const PlatformFileInfoProto& proto,
+      base::PlatformFileInfo* file_info);
+
+  // Converts the platform file info to the proto representation.
+  static void ConvertPlatformFileInfoToProto(
+      const base::PlatformFileInfo& file_info,
+      PlatformFileInfoProto* proto);
+
   // Converts to/from proto.
   void FromProto(const GDataEntryProto& proto);
   void ToProto(GDataEntryProto* proto) const;