Mojo: Fixes to current virtual/override style in mojo/edk/.

mojo/edk/system/raw_channel_unittest.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 "mojo/edk/system/raw_channel.h"
 
 #include <stdint.h>
 
 #include <vector>
 
@@ skipping 55 matching lines @@
   mojo::test::BlockingWrite(
       handle, message->main_buffer(), message->main_buffer_size(), &write_size);
   return write_size == message->main_buffer_size();
 }
 
 // -----------------------------------------------------------------------------
 
 class RawChannelTest : public testing::Test {
  public:
   RawChannelTest() : io_thread_(base::TestIOThread::kManualStart) {}
-  virtual ~RawChannelTest() {}
+  ~RawChannelTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     embedder::PlatformChannelPair channel_pair;
     handles[0] = channel_pair.PassServerHandle();
     handles[1] = channel_pair.PassClientHandle();
     io_thread_.Start();
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     io_thread_.Stop();
     handles[0].reset();
     handles[1].reset();
   }
 
  protected:
   base::TestIOThread* io_thread() { return &io_thread_; }
 
   embedder::ScopedPlatformHandle handles[2];
 
@@ skipping 583 matching lines @@
 
   EXPECT_FALSE(rc->WriteMessage(MakeTestMessage(1)));
 
   // Wait for the delegate, which will shut the |RawChannel| down.
   delegate.Wait();
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo