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

remoting/host/win/worker_process_launcher_unittest.cc

Index: remoting/host/win/worker_process_launcher_unittest.cc
diff --git a/remoting/host/win/worker_process_launcher_unittest.cc b/remoting/host/win/worker_process_launcher_unittest.cc
index aa6f095ada4ef92a850946009a93de6f869f2565..9ace9a5cb1aafb0a5d2394f2a036f541bd4fc8cb 100644
--- a/remoting/host/win/worker_process_launcher_unittest.cc
+++ b/remoting/host/win/worker_process_launcher_unittest.cc
@@ -42,7 +42,7 @@ const char kIpcSecurityDescriptor[] = "D:(A;;GA;;;AU)";
 class MockProcessLauncherDelegate : public WorkerProcessLauncher::Delegate {
  public:
   MockProcessLauncherDelegate() {}
-  virtual ~MockProcessLauncherDelegate() {}
+  ~MockProcessLauncherDelegate() override {}
 
   // WorkerProcessLauncher::Delegate interface.
   MOCK_METHOD1(LaunchProcess, void(WorkerProcessLauncher*));
@@ -57,7 +57,7 @@ class MockProcessLauncherDelegate : public WorkerProcessLauncher::Delegate {
 class MockIpcDelegate : public WorkerProcessIpcDelegate {
  public:
   MockIpcDelegate() {}
-  virtual ~MockIpcDelegate() {}
+  ~MockIpcDelegate() override {}
 
   // WorkerProcessIpcDelegate interface.
   MOCK_METHOD1(OnChannelConnected, void(int32));
@@ -71,12 +71,12 @@ class MockIpcDelegate : public WorkerProcessIpcDelegate {
 class MockWorkerListener : public IPC::Listener {
  public:
   MockWorkerListener() {}
-  virtual ~MockWorkerListener() {}
+  ~MockWorkerListener() override {}
 
   MOCK_METHOD3(OnCrash, void(const std::string&, const std::string&, int));
 
   // IPC::Listener implementation
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockWorkerListener);
@@ -101,15 +101,15 @@ class WorkerProcessLauncherTest
       public IPC::Listener {
  public:
   WorkerProcessLauncherTest();
-  virtual ~WorkerProcessLauncherTest();
+  ~WorkerProcessLauncherTest() override;
 
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
 
   // IPC::Listener implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
-  virtual void OnChannelConnected(int32 peer_pid) override;
-  virtual void OnChannelError() override;
+  bool OnMessageReceived(const IPC::Message& message) override;
+  void OnChannelConnected(int32 peer_pid) override;
+  void OnChannelError() override;
 
   // WorkerProcessLauncher::Delegate mocks
   void LaunchProcess(