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

chrome/browser/extensions/api/location/location_manager.cc

 // Copyright (c) 2013 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 "chrome/browser/extensions/api/location/location_manager.h"
 
 #include <math.h>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 39 matching lines @@
 };
 
 // A policy that controls sending an update below a distance threshold.
 class DistanceBasedUpdatePolicy : public UpdatePolicy {
  public:
   explicit DistanceBasedUpdatePolicy(double distance_update_threshold_meters) :
       distance_update_threshold_meters_(distance_update_threshold_meters)
   {}
 
   // UpdatePolicy Implementation
-  virtual bool ShouldSendUpdate(const content::Geoposition& position) const
-      override {
+  bool ShouldSendUpdate(const content::Geoposition& position) const override {
     return !last_updated_position_.Validate() ||
         Distance(position.latitude,
                  position.longitude,
                  last_updated_position_.latitude,
                  last_updated_position_.longitude) >
             distance_update_threshold_meters_;
   }
 
-  virtual void OnPositionReported(const content::Geoposition& position)
-      override {
+  void OnPositionReported(const content::Geoposition& position) override {
     last_updated_position_ = position;
   }
 
  private:
-  virtual ~DistanceBasedUpdatePolicy() {}
+  ~DistanceBasedUpdatePolicy() override {}
 
   // Calculates the distance between two latitude and longitude points.
   static double Distance(const double latitude1,
                          const double longitude1,
                          const double latitude2,
                          const double longitude2) {
     // The earth has a radius of about 6371 km.
     const double kRadius = 6371000;
     const double kPi = 3.14159265358979323846;
     const double kDegreesToRadians = kPi / 180.0;
@@ skipping 23 matching lines @@
 };
 
 // A policy that controls sending an update above a time threshold.
 class TimeBasedUpdatePolicy : public UpdatePolicy {
  public:
   explicit TimeBasedUpdatePolicy(double time_between_updates_ms) :
       time_between_updates_ms_(time_between_updates_ms)
   {}
 
   // UpdatePolicy Implementation
-  virtual bool ShouldSendUpdate(const content::Geoposition&) const override {
+  bool ShouldSendUpdate(const content::Geoposition&) const override {
     return (base::Time::Now() - last_update_time_).InMilliseconds() >
         time_between_updates_ms_;
   }
 
-  virtual void OnPositionReported(const content::Geoposition&) override {
+  void OnPositionReported(const content::Geoposition&) override {
     last_update_time_ = base::Time::Now();
   }
 
  private:
-  virtual ~TimeBasedUpdatePolicy() {}
+  ~TimeBasedUpdatePolicy() override {}
 
   base::Time last_update_time_;
   const double time_between_updates_ms_;
 
   DISALLOW_COPY_AND_ASSIGN(TimeBasedUpdatePolicy);
 };
 
 } // namespace updatepolicy
 
 // Request created by chrome.location.watchLocation() call.
@@ skipping 227 matching lines @@
 LocationManager::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 // static
 LocationManager* LocationManager::Get(content::BrowserContext* context) {
   return BrowserContextKeyedAPIFactory<LocationManager>::Get(context);
 }
 
 }  // namespace extensions