Mojo: Convert OVERRIDE -> override in mojo/{embedder,system}.

mojo/system/remote_message_pipe_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 <stdint.h>
 #include <stdio.h>
 #include <string.h>
 
 #include <vector>
 
@@ skipping 27 matching lines @@
 
 namespace mojo {
 namespace system {
 namespace {
 
 class RemoteMessagePipeTest : public testing::Test {
  public:
   RemoteMessagePipeTest() : io_thread_(base::TestIOThread::kAutoStart) {}
   virtual ~RemoteMessagePipeTest() {}
 
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     io_thread_.PostTaskAndWait(
         FROM_HERE,
         base::Bind(&RemoteMessagePipeTest::SetUpOnIOThread,
                    base::Unretained(this)));
   }
 
-  virtual void TearDown() OVERRIDE {
+  virtual void TearDown() override {
     io_thread_.PostTaskAndWait(
         FROM_HERE,
         base::Bind(&RemoteMessagePipeTest::TearDownOnIOThread,
                    base::Unretained(this)));
   }
 
  protected:
   // This connects the two given |ChannelEndpoint|s.
   void ConnectChannelEndpoints(scoped_refptr<ChannelEndpoint> ep0,
                                scoped_refptr<ChannelEndpoint> ep1) {
@@ skipping 1117 matching lines @@
   mp0->Close(0);
   mp1->Close(1);
   EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close());
   // Note that |local_mp|'s port 0 belong to |dispatcher|, which was closed.
   local_mp->Close(1);
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo