Standardize usage of virtual/override/final in extensions/

extensions/browser/api/serial/serial_apitest.cc

 // 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.
 
 #include <string>
 
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "device/serial/test_serial_io_handler.h"
 #include "extensions/browser/api/serial/serial_api.h"
 #include "extensions/browser/api/serial/serial_connection.h"
@@ skipping 11 matching lines @@
  public:
   SerialApiTest() {}
 };
 
 }  // namespace
 
 namespace extensions {
 
 class FakeSerialGetDevicesFunction : public AsyncExtensionFunction {
  public:
-  virtual bool RunAsync() override {
+  bool RunAsync() override {
     base::ListValue* devices = new base::ListValue();
     base::DictionaryValue* device0 = new base::DictionaryValue();
     device0->SetString("path", "/dev/fakeserial");
     base::DictionaryValue* device1 = new base::DictionaryValue();
     device1->SetString("path", "\\\\COM800\\");
     devices->Append(device0);
     devices->Append(device1);
     SetResult(devices);
     SendResponse(true);
     return true;
   }
 
  protected:
-  virtual ~FakeSerialGetDevicesFunction() {}
+  ~FakeSerialGetDevicesFunction() override {}
 };
 
 class FakeEchoSerialIoHandler : public device::TestSerialIoHandler {
  public:
   explicit FakeEchoSerialIoHandler() {
     device_control_signals()->dcd = true;
     device_control_signals()->cts = true;
     device_control_signals()->ri = true;
     device_control_signals()->dsr = true;
   }
 
   MOCK_METHOD1(SetControlSignals,
                bool(const device::serial::HostControlSignals&));
 
  protected:
   virtual ~FakeEchoSerialIoHandler() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeEchoSerialIoHandler);
 };
 
 class FakeSerialConnectFunction : public core_api::SerialConnectFunction {
  protected:
-  virtual SerialConnection* CreateSerialConnection(
+  SerialConnection* CreateSerialConnection(
       const std::string& port,
       const std::string& owner_extension_id) const override {
     scoped_refptr<FakeEchoSerialIoHandler> io_handler =
         new FakeEchoSerialIoHandler;
     EXPECT_CALL(*io_handler.get(), SetControlSignals(_)).Times(1).WillOnce(
         Return(true));
     SerialConnection* serial_connection =
         new SerialConnection(port, owner_extension_id);
     serial_connection->SetIoHandlerForTest(io_handler);
     return serial_connection;
   }
 
  protected:
-  virtual ~FakeSerialConnectFunction() {}
+  ~FakeSerialConnectFunction() override {}
 };
 
 }  // namespace extensions
 
 ExtensionFunction* FakeSerialGetDevicesFunctionFactory() {
   return new extensions::FakeSerialGetDevicesFunction();
 }
 
 ExtensionFunction* FakeSerialConnectFunctionFactory() {
   return new extensions::FakeSerialConnectFunction();
@@ skipping 32 matching lines @@
 
   ASSERT_TRUE(RunExtensionTest("serial/api")) << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(SerialApiTest, SerialRealHardware) {
   extensions::ResultCatcher catcher;
   catcher.RestrictToBrowserContext(browser()->profile());
 
   ASSERT_TRUE(RunExtensionTest("serial/real_hardware")) << message_;
 }