Revert 146104 - gdrive: Get JSON feeds parsing off the UI thread.

chrome/browser/chromeos/gdata/gdata_operations.h

Index: chrome/browser/chromeos/gdata/gdata_operations.h
===================================================================
--- chrome/browser/chromeos/gdata/gdata_operations.h	(revision 146109)
+++ chrome/browser/chromeos/gdata/gdata_operations.h	(working copy)
@@ -191,25 +191,15 @@
   virtual ~GetDataOperation();
 
   // Parse GData JSON response.
-  virtual bool ParseResponse(GDataErrorCode fetch_error_code,
-                             const std::string& data);
+  virtual base::Value* ParseResponse(const std::string& data);
 
  protected:
   // Overridden from UrlFetchOperationBase.
   virtual bool ProcessURLFetchResults(const net::URLFetcher* source) OVERRIDE;
-  virtual void RunCallbackOnPrematureFailure(
-      GDataErrorCode fetch_error_code) OVERRIDE;
+  virtual void RunCallbackOnPrematureFailure(GDataErrorCode code) OVERRIDE;
 
-  void RunCallback(GDataErrorCode fetch_error_code,
-                   scoped_ptr<base::Value> value);
-
  private:
-  void OnDataParsed(GDataErrorCode fetch_error_code,
-                    scoped_ptr<base::Value>* value);
-
   GetDataCallback callback_;
-  base::WeakPtrFactory<GetDataOperation> weak_ptr_factory_;
-
   DISALLOW_COPY_AND_ASSIGN(GetDataOperation);
 };
 
@@ -450,8 +440,7 @@
 
   // Must override GetDataOperation's ParseResponse because the response is XML
   // not JSON.
-  virtual bool ParseResponse(GDataErrorCode code,
-                             const std::string& data) OVERRIDE;
+  virtual base::Value* ParseResponse(const std::string& data) OVERRIDE;
  private:
   std::string app_id_;
   GURL document_url_;