Enforce marking "override" for functions overriding Blink in components/test_runner/.

components/test_runner/mock_credential_manager_client.h

 // Copyright 2014 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 COMPONENTS_TEST_RUNNER_MOCK_CREDENTIAL_MANAGER_CLIENT_H_
 #define COMPONENTS_TEST_RUNNER_MOCK_CREDENTIAL_MANAGER_CLIENT_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "third_party/WebKit/public/platform/WebCredentialManagerClient.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 
 namespace blink {
 class WebCredential;
 class WebFrame;
 class WebURL;
 }
 
 namespace test_runner {
 
 class MockCredentialManagerClient : public blink::WebCredentialManagerClient {
  public:
   MockCredentialManagerClient();
   virtual ~MockCredentialManagerClient();
 
   // We take ownership of the |credential|.
   void SetResponse(blink::WebCredential* credential);
 
   // blink::WebCredentialManager:
-  virtual void dispatchStore(const blink::WebCredential& credential,
-                             NotificationCallbacks* callbacks);
-  virtual void dispatchRequireUserMediation(NotificationCallbacks* callbacks);
-  virtual void dispatchGet(
-      bool zero_click_only,
-      const blink::WebVector<blink::WebURL>& federations,
-      RequestCallbacks* callbacks);
+  void dispatchStore(const blink::WebCredential& credential,
+                     NotificationCallbacks* callbacks) override;
+  void dispatchRequireUserMediation(NotificationCallbacks* callbacks) override;
+  void dispatchGet(bool zero_click_only,
+                   const blink::WebVector<blink::WebURL>& federations,
+                   RequestCallbacks* callbacks) override;
 
  private:
   scoped_ptr<blink::WebCredential> credential_;
 
   DISALLOW_COPY_AND_ASSIGN(MockCredentialManagerClient);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_MOCK_CREDENTIAL_MANAGER_CLIENT_H_