Converted ResumeUploadOperation to use JSON in response instead of XML.

chrome/browser/google_apis/gdata_wapi_operations.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_GOOGLE_APIS_GDATA_WAPI_OPERATIONS_H_
 #define CHROME_BROWSER_GOOGLE_APIS_GDATA_WAPI_OPERATIONS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 547 matching lines @@
   virtual net::URLFetcher::RequestType GetRequestType() const OVERRIDE;
   virtual std::vector<std::string> GetExtraRequestHeaders() const OVERRIDE;
   virtual bool GetContentData(std::string* upload_content_type,
                               std::string* upload_content) OVERRIDE;
 
   // content::UrlFetcherDelegate overrides.
   virtual void OnURLFetchUploadProgress(const net::URLFetcher* source,
                                         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);
 };
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_GDATA_WAPI_OPERATIONS_H_