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

chrome/browser/search/suggestions/suggestions_source.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 CHROME_BROWSER_SEARCH_SUGGESTIONS_SUGGESTIONS_SOURCE_H_
 #define CHROME_BROWSER_SEARCH_SUGGESTIONS_SUGGESTIONS_SOURCE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 12 matching lines @@
 }  // namespace base
 
 namespace suggestions {
 
 // SuggestionsSource renders a webpage to list SuggestionsService data.
 class SuggestionsSource : public content::URLDataSource {
  public:
   explicit SuggestionsSource(Profile* profile);
 
   // content::URLDataSource implementation.
-  virtual std::string GetSource() const override;
-  virtual void StartDataRequest(
-      const std::string& path, int render_process_id, int render_frame_id,
+  std::string GetSource() const override;
+  void StartDataRequest(
+      const std::string& path,
+      int render_process_id,
+      int render_frame_id,
       const content::URLDataSource::GotDataCallback& callback) override;
-  virtual std::string GetMimeType(const std::string& path) const override;
-  virtual base::MessageLoop* MessageLoopForRequestPath(
+  std::string GetMimeType(const std::string& path) const override;
+  base::MessageLoop* MessageLoopForRequestPath(
       const std::string& path) const override;
 
  private:
-  virtual ~SuggestionsSource();
+  ~SuggestionsSource() override;
 
   // Container for the state of a request.
   struct RequestContext {
     RequestContext(
         const suggestions::SuggestionsProfile& suggestions_profile_in,
         const content::URLDataSource::GotDataCallback& callback_in);
     ~RequestContext();
 
     const suggestions::SuggestionsProfile suggestions_profile;
     const content::URLDataSource::GotDataCallback callback;
@@ skipping 18 matching lines @@
 
   // For callbacks may be run after destruction.
   base::WeakPtrFactory<SuggestionsSource> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SuggestionsSource);
 };
 
 }  // namespace suggestions
 
 #endif  // CHROME_BROWSER_SEARCH_SUGGESTIONS_SUGGESTIONS_SOURCE_H_