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

content/browser/resolve_proxy_msg_helper_unittest.cc

Index: content/browser/resolve_proxy_msg_helper_unittest.cc
diff --git a/content/browser/resolve_proxy_msg_helper_unittest.cc b/content/browser/resolve_proxy_msg_helper_unittest.cc
index 3ddac3538aa72642eb001d86790235a3696b6ce8..1a19018e711d8941eb1c276d4f2dd19581500863 100644
--- a/content/browser/resolve_proxy_msg_helper_unittest.cc
+++ b/content/browser/resolve_proxy_msg_helper_unittest.cc
@@ -18,10 +18,9 @@ namespace content {
 // This ProxyConfigService always returns "http://pac" as the PAC url to use.
 class MockProxyConfigService : public net::ProxyConfigService {
  public:
-  virtual void AddObserver(Observer* observer) override {}
-  virtual void RemoveObserver(Observer* observer) override {}
-  virtual ConfigAvailability GetLatestProxyConfig(
-      net::ProxyConfig* results) override {
+  void AddObserver(Observer* observer) override {}
+  void RemoveObserver(Observer* observer) override {}
+  ConfigAvailability GetLatestProxyConfig(net::ProxyConfig* results) override {
     *results = net::ProxyConfig::CreateFromCustomPacURL(GURL("http://pac"));
     return CONFIG_VALID;
   }
@@ -34,14 +33,14 @@ class TestResolveProxyMsgHelper : public ResolveProxyMsgHelper {
       IPC::Listener* listener)
       : ResolveProxyMsgHelper(proxy_service),
         listener_(listener) {}
-  virtual bool Send(IPC::Message* message) override {
+  bool Send(IPC::Message* message) override {
     listener_->OnMessageReceived(*message);
     delete message;
     return true;
   }
 
  protected:
-  virtual ~TestResolveProxyMsgHelper() {}
+  ~TestResolveProxyMsgHelper() override {}
 
   IPC::Listener* listener_;
 };
@@ -87,7 +86,7 @@ class ResolveProxyMsgHelperTest : public testing::Test, public IPC::Listener {
   scoped_ptr<PendingResult> pending_result_;
 
  private:
-  virtual bool OnMessageReceived(const IPC::Message& msg) override {
+  bool OnMessageReceived(const IPC::Message& msg) override {
     TupleTypes<ViewHostMsg_ResolveProxy::ReplyParam>::ValueTuple reply_data;
     EXPECT_TRUE(ViewHostMsg_ResolveProxy::ReadReplyParam(&msg, &reply_data));
     DCHECK(!pending_result_.get());