Use Drive v2 API: enable behind --enable-drive-api flag

chrome/browser/chromeos/gdata/gdata_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_CHROMEOS_GDATA_GDATA_OPERATIONS_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_OPERATIONS_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 150 matching lines @@
  public:
   EntryActionOperation(GDataOperationRegistry* registry,
                        Profile* profile,
                        const EntryActionCallback& callback,
                        const GURL& document_url);
   virtual ~EntryActionOperation();
 
  protected:
   // Overridden from UrlFetchOperationBase.
   virtual GURL GetURL() const OVERRIDE;
-  virtual bool 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_; }
 
  private:
   EntryActionCallback callback_;
   GURL document_url_;
 
   DISALLOW_COPY_AND_ASSIGN(EntryActionOperation);
 };
 
 //============================== GetDataOperation ==============================
 
 // This class performs the operation for fetching and parsing JSON data content.
 class GetDataOperation : public UrlFetchOperationBase {
  public:
   GetDataOperation(GDataOperationRegistry* registry,
                    Profile* profile,
                    const GetDataCallback& callback);
   virtual ~GetDataOperation();
 
   // Parse GData JSON response.
   virtual base::Value* ParseResponse(const std::string& data);
 
  protected:
   // Overridden from UrlFetchOperationBase.
-  virtual bool ProcessURLFetchResults(const net::URLFetcher* source)
-      OVERRIDE;
+  virtual bool ProcessURLFetchResults(const net::URLFetcher* source) OVERRIDE;
   virtual void RunCallbackOnPrematureFailure(GDataErrorCode code) OVERRIDE;
 
  private:
   GetDataCallback callback_;
   DISALLOW_COPY_AND_ASSIGN(GetDataOperation);
 };
 
 //============================ GetDocumentsOperation ===========================
 
 // This class performs the operation for fetching a document list.
@@ skipping 46 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(GetDocumentEntryOperation);
 };
 
 //========================= GetAccountMetadataOperation ========================
 
 // This class performs the operation for fetching account metadata.
 class GetAccountMetadataOperation : public GetDataOperation {
  public:
   GetAccountMetadataOperation(GDataOperationRegistry* registry,
                               Profile* profile,
-                              const GetDataCallback& callback);
+                              const GetDataCallback& callback,
+                              bool use_drive_api);
   virtual ~GetAccountMetadataOperation();
 
  protected:
   // Overridden from GetDataOperation.
   virtual GURL GetURL() const OVERRIDE;
 
  private:
+  // True if Drive v2 API is used.
+  bool use_drive_api_;
+
   DISALLOW_COPY_AND_ASSIGN(GetAccountMetadataOperation);
 };
 
 //============================ DownloadFileOperation ===========================
 
 // This class performs the operation for downloading of a given document/file.
 class DownloadFileOperation : public UrlFetchOperationBase {
  public:
   DownloadFileOperation(
       GDataOperationRegistry* registry,
@@ skipping 290 matching lines @@
   ResumeUploadCallback callback_;
   ResumeUploadParams params_;
   bool last_chunk_completed_;
 
   DISALLOW_COPY_AND_ASSIGN(ResumeUploadOperation);
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_OPERATIONS_H_