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

components/test_runner/web_content_settings.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_WEB_CONTENT_SETTINGS_H_
 #define COMPONENTS_TEST_RUNNER_WEB_CONTENT_SETTINGS_H_
 
 #include "base/macros.h"
 #include "third_party/WebKit/public/web/WebContentSettingsClient.h"
 
 namespace test_runner {
 
 class WebTestDelegate;
 
 class WebContentSettings : public blink::WebContentSettingsClient {
  public:
   WebContentSettings();
-  virtual ~WebContentSettings();
+  ~WebContentSettings() override;
 
   // blink::WebContentSettingsClient:
-  virtual bool allowImage(bool enabledPerSettings,
-                          const blink::WebURL& imageURL);
-  virtual bool allowMedia(const blink::WebURL& mediaURL);
-  virtual bool allowScriptFromSource(bool enabledPerSettings,
-                                     const blink::WebURL& scriptURL);
-  virtual bool allowStorage(bool local);
-  virtual bool allowPlugins(bool enabledPerSettings);
-  virtual bool allowDisplayingInsecureContent(bool enabledPerSettings,
-                                              const blink::WebSecurityOrigin&,
-                                              const blink::WebURL&);
-  virtual bool allowRunningInsecureContent(bool enabledPerSettings,
-                                           const blink::WebSecurityOrigin&,
-                                           const blink::WebURL&);
+  bool allowImage(bool enabledPerSettings,
+                  const blink::WebURL& imageURL) override;
+  bool allowMedia(const blink::WebURL& mediaURL) override;
+  bool allowScriptFromSource(bool enabledPerSettings,
+                             const blink::WebURL& scriptURL) override;
+  bool allowStorage(bool local) override;
+  bool allowPlugins(bool enabledPerSettings) override;
+  bool allowDisplayingInsecureContent(bool enabledPerSettings,
+                                      const blink::WebSecurityOrigin&,
+                                      const blink::WebURL&) override;
+  bool allowRunningInsecureContent(bool enabledPerSettings,
+                                   const blink::WebSecurityOrigin&,
+                                   const blink::WebURL&) override;
 
   // Hooks to set the different policies.
   void SetImagesAllowed(bool);
   void SetMediaAllowed(bool);
   void SetScriptsAllowed(bool);
   void SetStorageAllowed(bool);
   void SetPluginsAllowed(bool);
   void SetDisplayingInsecureContentAllowed(bool);
   void SetRunningInsecureContentAllowed(bool);
 
@@ skipping 14 matching lines @@
   bool plugins_allowed_;
   bool displaying_insecure_content_allowed_;
   bool running_insecure_content_allowed_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentSettings);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_WEB_CONTENT_SETTINGS_H_