Standardize usage of virtual/override/final in components/

components/nacl/loader/nacl_ipc_adapter_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 "components/nacl/loader/nacl_ipc_adapter.h"
 
 #include <string.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 261 matching lines @@
   // handler. This should wake up any waiting threads and immediately return
   // -1. There is an inherent race condition in that we can't be sure if the
   // other thread is actually waiting when this happens. This is OK, since the
   // behavior (which we also explicitly test later) is to return -1 if the
   // channel has already had an error when you start waiting.
   class MyThread : public base::SimpleThread {
    public:
     explicit MyThread(NaClIPCAdapter* adapter)
         : SimpleThread("NaClIPCAdapterThread"),
           adapter_(adapter) {}
-    virtual void Run() override {
+    void Run() override {
       base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
       adapter_->OnChannelError();
     }
    private:
     scoped_refptr<NaClIPCAdapter> adapter_;
   };
   MyThread thread(adapter_.get());
 
   // IMPORTANT: do not return early from here down (including ASSERT_*) because
   // the thread needs to joined or it will assert.
@@ skipping 55 matching lines @@
   EXPECT_EQ(NACL_ABI_O_RDONLY,
       TranslatePepperFileReadWriteOpenFlagsForTesting(
           PP_FILEOPENFLAG_CREATE));
   EXPECT_EQ(NACL_ABI_O_RDONLY,
       TranslatePepperFileReadWriteOpenFlagsForTesting(
           PP_FILEOPENFLAG_TRUNCATE));
   EXPECT_EQ(NACL_ABI_O_RDONLY,
       TranslatePepperFileReadWriteOpenFlagsForTesting(
           PP_FILEOPENFLAG_EXCLUSIVE));
 }