Linux/ChromeOS Chromium style checker cleanup, chrome/ edition part 1.

chrome/common/multi_process_lock_linux.cc

 // Copyright (c) 2011 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 "chrome/common/multi_process_lock.h"
 
 #include <stdio.h>
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <unistd.h>
 
+#include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/posix/eintr_wrapper.h"
 
 class MultiProcessLockLinux : public MultiProcessLock {
  public:
   explicit MultiProcessLockLinux(const std::string& name)
       : name_(name), fd_(-1) { }
 
   virtual ~MultiProcessLockLinux() {
     if (fd_ != -1) {
       Unlock();
     }
   }
 
-  virtual bool TryLock() {
+  virtual bool TryLock() OVERRIDE {
     struct sockaddr_un address;
 
     // +1 for terminator, +1 for 0 in position 0 that makes it an
     // abstract named socket.
     const size_t max_len = sizeof(address.sun_path) - 2;
 
     if (fd_ != -1) {
       DLOG(ERROR) << "MultiProcessLock is already locked - " << name_;
       return true;
     }
@@ skipping 40 matching lines @@
       DVLOG(1) << "Couldn't bind socket - "
                << &(address.sun_path[1])
                << " Length: " << length;
       if (HANDLE_EINTR(close(socket_fd)) < 0) {
         PLOG(ERROR) << "close";
       }
       return false;
     }
   }
 
-  virtual void Unlock() {
+  virtual void Unlock() OVERRIDE {
     if (fd_ == -1) {
       DLOG(ERROR) << "Over-unlocked MultiProcessLock - " << name_;
       return;
     }
     if (HANDLE_EINTR(close(fd_)) < 0) {
       DPLOG(ERROR) << "close";
     }
     fd_ = -1;
   }
 
  private:
   std::string name_;
   int fd_;
   DISALLOW_COPY_AND_ASSIGN(MultiProcessLockLinux);
 };
 
 MultiProcessLock* MultiProcessLock::Create(const std::string &name) {
   return new MultiProcessLockLinux(name);
 }