Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/content_settings/content_setting_image_model.cc

Index: chrome/browser/ui/content_settings/content_setting_image_model.cc
diff --git a/chrome/browser/ui/content_settings/content_setting_image_model.cc b/chrome/browser/ui/content_settings/content_setting_image_model.cc
index 2002a580c9df320e4b53940aff15cdec01b82e55..0d2b57dcc3f9d0bf2021710e8eed858e5f1beeaa 100644
--- a/chrome/browser/ui/content_settings/content_setting_image_model.cc
+++ b/chrome/browser/ui/content_settings/content_setting_image_model.cc
@@ -20,14 +20,14 @@ class ContentSettingBlockedImageModel : public ContentSettingImageModel {
   explicit ContentSettingBlockedImageModel(
       ContentSettingsType content_settings_type);
 
-  virtual void UpdateFromWebContents(WebContents* web_contents) override;
+  void UpdateFromWebContents(WebContents* web_contents) override;
 };
 
 class ContentSettingGeolocationImageModel : public ContentSettingImageModel {
  public:
   ContentSettingGeolocationImageModel();
 
-  virtual void UpdateFromWebContents(WebContents* web_contents) override;
+  void UpdateFromWebContents(WebContents* web_contents) override;
 };
 
 // Image model for displaying media icons in the location bar.
@@ -35,28 +35,28 @@ class ContentSettingMediaImageModel : public ContentSettingImageModel {
  public:
   explicit ContentSettingMediaImageModel(ContentSettingsType type);
 
-  virtual void UpdateFromWebContents(WebContents* web_contents) override;
+  void UpdateFromWebContents(WebContents* web_contents) override;
 };
 
 class ContentSettingRPHImageModel : public ContentSettingImageModel {
  public:
   ContentSettingRPHImageModel();
 
-  virtual void UpdateFromWebContents(WebContents* web_contents) override;
+  void UpdateFromWebContents(WebContents* web_contents) override;
 };
 
 class ContentSettingNotificationsImageModel : public ContentSettingImageModel {
  public:
   ContentSettingNotificationsImageModel();
 
-  virtual void UpdateFromWebContents(WebContents* web_contents) override;
+  void UpdateFromWebContents(WebContents* web_contents) override;
 };
 
 class ContentSettingMIDISysExImageModel : public ContentSettingImageModel {
  public:
   ContentSettingMIDISysExImageModel();
 
-  virtual void UpdateFromWebContents(WebContents* web_contents) override;
+  void UpdateFromWebContents(WebContents* web_contents) override;
 };
 
 namespace {