Update {virtual,override,final} to follow C++11 style in net.

net/proxy/proxy_config_service_android.cc

 // Copyright (c) 2012 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 "net/proxy/proxy_config_service_android.h"
 
 #include <sys/system_properties.h>
 
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
@@ skipping 284 matching lines @@
   }
 
  private:
   friend class base::RefCountedThreadSafe<Delegate>;
 
   class JNIDelegateImpl : public ProxyConfigServiceAndroid::JNIDelegate {
    public:
     explicit JNIDelegateImpl(Delegate* delegate) : delegate_(delegate) {}
 
     // ProxyConfigServiceAndroid::JNIDelegate overrides.
-    virtual void ProxySettingsChangedTo(JNIEnv* env,
-                                        jobject jself,
-                                        jstring jhost,
-                                        jint jport,
-                                        jstring jpac_url,
-                                        jobjectArray jexclusion_list) override {
+    void ProxySettingsChangedTo(JNIEnv* env,
+                                jobject jself,
+                                jstring jhost,
+                                jint jport,
+                                jstring jpac_url,
+                                jobjectArray jexclusion_list) override {
       std::string host = ConvertJavaStringToUTF8(env, jhost);
       std::string pac_url;
       if (jpac_url)
         ConvertJavaStringToUTF8(env, jpac_url, &pac_url);
       std::vector<std::string> exclusion_list;
       base::android::AppendJavaStringArrayToStringVector(
           env, jexclusion_list, &exclusion_list);
       delegate_->ProxySettingsChangedTo(host, jport, pac_url, exclusion_list);
     }
 
-    virtual void ProxySettingsChanged(JNIEnv* env, jobject self) override {
+    void ProxySettingsChanged(JNIEnv* env, jobject self) override {
       delegate_->ProxySettingsChanged();
     }
 
    private:
     Delegate* const delegate_;
   };
 
   virtual ~Delegate() {}
 
   void ShutdownOnJNIThread() {
@@ skipping 76 matching lines @@
         network_task_runner, jni_task_runner, get_property_callback)) {
   delegate_->SetupJNI();
   delegate_->FetchInitialConfig();
 }
 
 void ProxyConfigServiceAndroid::ProxySettingsChanged() {
   delegate_->ProxySettingsChanged();
 }
 
 } // namespace net