drive: Stop exposing operation_registry() from DriveServiceInterface

chrome/browser/google_apis/gdata_operations_unittest.cc

 // 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.
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/values.h"
 #include "chrome/browser/google_apis/gdata_operations.h"
 #include "chrome/browser/google_apis/gdata_test_util.h"
 #include "chrome/browser/google_apis/operation_runner.h"
@@ skipping 18 matching lines @@
 
   void NotifyStart() {
     NotifyStartToOperationRegistry();
   }
 
   void NotifySuccess() {
     NotifySuccessToOperationRegistry();
   }
 
   void NotifyFailure() {
-    NotifyFinish(OperationRegistry::OPERATION_FAILED);
+    NotifyFinish(OPERATION_FAILED);
   }
 
  protected:
   // GetDataOperation overrides:
   virtual GURL GetURL() const OVERRIDE {
     // This method is never called because this test does not fetch json from
     // network.
     NOTREACHED();
     return GURL();
   }
@@ skipping 122 matching lines @@
 
     getData->ParseResponse(HTTP_SUCCESS, invalid_json_str);
     test_util::RunBlockingPoolTask();
 
     EXPECT_EQ(GDATA_PARSE_ERROR, error);
     ASSERT_TRUE(value.get() == NULL);
   }
 }
 
 }  // namespace gdata