gdrive: Get JSON feeds parsing off the UI thread.

chrome/browser/chromeos/gdata/gdata_operations.h

Index: chrome/browser/chromeos/gdata/gdata_operations.h
diff --git a/chrome/browser/chromeos/gdata/gdata_operations.h b/chrome/browser/chromeos/gdata/gdata_operations.h
index e0e78042858476b5f6f8c63437333291bcf1b062..71341c4f01b3e9cd887d90520b8c0c441c96ecc6 100644
--- a/chrome/browser/chromeos/gdata/gdata_operations.h
+++ b/chrome/browser/chromeos/gdata/gdata_operations.h
@@ -100,7 +100,9 @@ class DownloadFileOperation : public UrlFetchOperationBase {
  protected:
   // Overridden from UrlFetchOperationBase.
   virtual GURL GetURL() const OVERRIDE;
-  virtual bool ProcessURLFetchResults(const net::URLFetcher* source) OVERRIDE;
+  virtual void ProcessURLFetchResults(
+      const net::URLFetcher* source,
+      const ProcessURLFetchResultsCallBack& result_callback) OVERRIDE;
   virtual void RunCallbackOnPrematureFailure(GDataErrorCode code) OVERRIDE;
 
   // Overridden from net::URLFetcherDelegate.
@@ -249,11 +251,16 @@ class AuthorizeAppsOperation : public GetDataOperation {
 
   // Overridden from GetDataOperation.
   virtual GURL GetURL() const OVERRIDE;
-  virtual bool ProcessURLFetchResults(const net::URLFetcher* source) OVERRIDE;
+  virtual void ProcessURLFetchResults(
+      const net::URLFetcher* source,
+      const ProcessURLFetchResultsCallBack& result_callback) OVERRIDE;
 
   // Must override GetDataOperation's ParseResponse because the response is XML
   // not JSON.
-  virtual base::Value* ParseResponse(const std::string& data) OVERRIDE;
+  virtual void ParseResponse(
+      GDataErrorCode fetch_error_code,
+      const std::string& data,
+      const ProcessURLFetchResultsCallBack& result_callback) OVERRIDE;
  private:
   std::string app_id_;
   GURL document_url_;
@@ -328,7 +335,9 @@ class InitiateUploadOperation : public UrlFetchOperationBase {
  protected:
   // Overridden from UrlFetchOperationBase.
   virtual GURL GetURL() const OVERRIDE;
-  virtual bool ProcessURLFetchResults(const net::URLFetcher* source) OVERRIDE;
+  virtual void ProcessURLFetchResults(
+      const net::URLFetcher* source,
+      const ProcessURLFetchResultsCallBack& result_callback) OVERRIDE;
   virtual void NotifySuccessToOperationRegistry() OVERRIDE;
   virtual void RunCallbackOnPrematureFailure(GDataErrorCode code) OVERRIDE;
 
@@ -360,7 +369,10 @@ class ResumeUploadOperation : public UrlFetchOperationBase {
  protected:
   // Overridden from UrlFetchOperationBase.
   virtual GURL GetURL() const OVERRIDE;
-  virtual bool ProcessURLFetchResults(const net::URLFetcher* source) OVERRIDE;
+  virtual void ProcessURLFetchResults(
+      const net::URLFetcher* source,
+      const ProcessURLFetchResultsCallBack& result_callback) OVERRIDE;
+
   virtual void NotifyStartToOperationRegistry() OVERRIDE;
   virtual void NotifySuccessToOperationRegistry() OVERRIDE;
   virtual void RunCallbackOnPrematureFailure(GDataErrorCode code) OVERRIDE;