Standardize usage of virtual/override/final specifiers in google_apis/.

google_apis/gcm/engine/connection_handler_impl_unittest.cc

 // Copyright 2013 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 "google_apis/gcm/engine/connection_handler_impl.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 88 matching lines @@
   std::string result;
   mcs_proto::DataMessageStanza data_message;
   data_message.set_from(from);
   data_message.set_category(category);
   return data_message.SerializeAsString();
 }
 
 class GCMConnectionHandlerImplTest : public testing::Test {
  public:
   GCMConnectionHandlerImplTest();
-  virtual ~GCMConnectionHandlerImplTest();
+  ~GCMConnectionHandlerImplTest() override;
 
   net::StreamSocket* BuildSocket(const ReadList& read_list,
                                  const WriteList& write_list);
 
   // Pump |message_loop_|, resetting |run_loop_| after completion.
   void PumpLoop();
 
   ConnectionHandlerImpl* connection_handler() {
     return connection_handler_.get();
   }
@@ skipping 680 matching lines @@
   WaitForMessage();  // The login send.
   WaitForMessage();  // The login response.
   WaitForMessage();  // The data message.
   ASSERT_TRUE(received_message.get());
   EXPECT_EQ(data_message_proto, received_message->SerializeAsString());
   EXPECT_EQ(net::OK, last_error());
 }
 
 }  // namespace
 }  // namespace gcm