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

mojo/edk/system/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/channel.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/message_loop/message_loop.h"
 #include "base/test/test_io_thread.h"
@@ skipping 15 matching lines @@
 
 Tristate BoolToTristate(bool b) {
   return b ? TRISTATE_TRUE : TRISTATE_FALSE;
 }
 
 class ChannelTest : public testing::Test {
  public:
   ChannelTest()
       : io_thread_(base::TestIOThread::kAutoStart),
         init_result_(TRISTATE_UNKNOWN) {}
-  virtual ~ChannelTest() {}
+  ~ChannelTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     io_thread_.PostTaskAndWait(
         FROM_HERE,
         base::Bind(&ChannelTest::SetUpOnIOThread, base::Unretained(this)));
   }
 
   void CreateChannelOnIOThread() {
     CHECK_EQ(base::MessageLoop::current(), io_thread()->message_loop());
     channel_ = new Channel(&platform_support_);
   }
 
@@ skipping 248 matching lines @@
   mp->Close(0);
 
   EXPECT_TRUE(channel()->HasOneRef());
 }
 
 // TODO(vtl): More. ------------------------------------------------------------
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo