Standardize usage of virtual/override/final specifiers.

remoting/protocol/connection_to_client_unittest.cc

Index: remoting/protocol/connection_to_client_unittest.cc
diff --git a/remoting/protocol/connection_to_client_unittest.cc b/remoting/protocol/connection_to_client_unittest.cc
index ded01974d131418fa8d125e5d618e616c73bfd52..e123cfaf0db922a7a6492d43de476d2977d6ac2f 100644
--- a/remoting/protocol/connection_to_client_unittest.cc
+++ b/remoting/protocol/connection_to_client_unittest.cc
@@ -26,7 +26,7 @@ class ConnectionToClientTest : public testing::Test {
   }
 
  protected:
-  virtual void SetUp() override {
+  void SetUp() override {
     session_ = new FakeSession();
 
     // Allocate a ClientConnection object with the mock objects.
@@ -42,7 +42,7 @@ class ConnectionToClientTest : public testing::Test {
     base::RunLoop().RunUntilIdle();
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     viewer_.reset();
     base::RunLoop().RunUntilIdle();
   }