Revert 148990 - gdrive: Get JSON feeds parsing off the UI thread.

chrome/browser/chromeos/gdata/operations_base.h

Index: chrome/browser/chromeos/gdata/operations_base.h
===================================================================
--- chrome/browser/chromeos/gdata/operations_base.h	(revision 148995)
+++ chrome/browser/chromeos/gdata/operations_base.h	(working copy)
@@ -112,7 +112,7 @@
 
   // Invoked by OnURLFetchComplete when the operation completes without an
   // authentication error. Must be implemented by a derived class.
-  virtual void ProcessURLFetchResults(const net::URLFetcher* source) = 0;
+  virtual bool ProcessURLFetchResults(const net::URLFetcher* source) = 0;
 
   // Invoked when it needs to notify the status. Chunked operations that
   // constructs a logically single operation from multiple physical operations
@@ -130,9 +130,6 @@
   // Overridden from URLFetcherDelegate.
   virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
 
-  // Invoked when ProcessURLFetchResults() is completed.
-  virtual void OnProcessURLFetchResultsComplete(bool result) OVERRIDE;
-
   // Overridden from GDataOperationInterface.
   virtual void OnAuthFailed(GDataErrorCode code) OVERRIDE;
 
@@ -166,7 +163,7 @@
 
  protected:
   // Overridden from UrlFetchOperationBase.
-  virtual void ProcessURLFetchResults(const net::URLFetcher* source) OVERRIDE;
+  virtual bool ProcessURLFetchResults(const net::URLFetcher* source) OVERRIDE;
   virtual void RunCallbackOnPrematureFailure(GDataErrorCode code) OVERRIDE;
 
   const GURL& document_url() const { return document_url_; }
@@ -189,24 +186,15 @@
   virtual ~GetDataOperation();
 
   // Parse GData JSON response.
-  virtual void ParseResponse(GDataErrorCode fetch_error_code,
-                             const std::string& data);
+  virtual base::Value* ParseResponse(const std::string& data);
 
  protected:
   // Overridden from UrlFetchOperationBase.
-  virtual void ProcessURLFetchResults(const net::URLFetcher* source) OVERRIDE;
-  virtual void RunCallbackOnPrematureFailure(
-      GDataErrorCode fetch_error_code) OVERRIDE;
-  void RunCallback(GDataErrorCode fetch_error_code,
-                   scoped_ptr<base::Value> value);
+  virtual bool ProcessURLFetchResults(const net::URLFetcher* source) OVERRIDE;
+  virtual void RunCallbackOnPrematureFailure(GDataErrorCode code) OVERRIDE;
 
  private:
-  // Called when ParseJsonOnBlockingPool() is completed.
-  void OnDataParsed(gdata::GDataErrorCode fetch_error_code,
-                    scoped_ptr<base::Value>* value);
-
   GetDataCallback callback_;
-  base::WeakPtrFactory<GetDataOperation> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(GetDataOperation);
 };