drive: Rename drive::DriveClientContext to drive::ClientContext

chrome/browser/chromeos/drive/file_system/update_operation.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_DRIVE_FILE_SYSTEM_UPDATE_OPERATION_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_UPDATE_OPERATION_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 32 matching lines @@
                   internal::ResourceMetadata* metadata,
                   internal::FileCache* cache);
   ~UpdateOperation();
 
   // Updates a file by the given |resource_id| on the Drive server by
   // uploading an updated version. Used for uploading dirty files. The file
   // should already be present in the cache.
   //
   // |callback| must not be null.
   void UpdateFileByResourceId(const std::string& resource_id,
-                              DriveClientContext context,
+                              const ClientContext& context,
                               const FileOperationCallback& callback);
 
  private:
-  void UpdateFileAfterGetLocalState(DriveClientContext context,
+  void UpdateFileAfterGetLocalState(const ClientContext& context,
                                     const FileOperationCallback& callback,
                                     const ResourceEntry* entry,
                                     const base::FilePath* drive_file_path,
                                     const base::FilePath* cache_file_path,
                                     FileError error);
 
   void UpdateFileAfterUpload(
       const FileOperationCallback& callback,
       google_apis::GDataErrorCode error,
       scoped_ptr<google_apis::ResourceEntry> resource_entry);
@@ skipping 11 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<UpdateOperation> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(UpdateOperation);
 };
 
 }  // namespace file_system
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_UPDATE_OPERATION_H_