Converted ResumeUploadOperation to use JSON in response instead of XML.

chrome/browser/google_apis/gdata_wapi_operations.h

Index: chrome/browser/google_apis/gdata_wapi_operations.h
diff --git a/chrome/browser/google_apis/gdata_wapi_operations.h b/chrome/browser/google_apis/gdata_wapi_operations.h
index f2c631800516d84cc43863adcca9deedc7b5c306..4ed7fd8bbcfc333cc44eaea306457edb2a00ded5 100644
--- a/chrome/browser/google_apis/gdata_wapi_operations.h
+++ b/chrome/browser/google_apis/gdata_wapi_operations.h
@@ -565,10 +565,16 @@ class ResumeUploadOperation : public UrlFetchOperationBase {
                                         int64 current, int64 total) OVERRIDE;
 
  private:
+  // Called when ParseJson() is completed.
+  void OnDataParsed(GDataErrorCode code, scoped_ptr<base::Value> value);
+
   const ResumeUploadCallback callback_;
   const ResumeUploadParams params_;
   bool last_chunk_completed_;
 
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<ResumeUploadOperation> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(ResumeUploadOperation);
 };