Improvements to uses of base::SmallMap

content/zygote/zygote_linux.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_ZYGOTE_ZYGOTE_LINUX_H_
 #define CONTENT_ZYGOTE_ZYGOTE_LINUX_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 33 matching lines @@
   struct ZygoteProcessInfo {
     // Pid from inside the Zygote's PID namespace.
     base::ProcessHandle internal_pid;
     // Keeps track of which fork delegate helper the process was started from.
     ZygoteForkDelegate* started_from_helper;
     // Records when the browser requested the zygote to reap this process.
     base::TimeTicks time_of_reap_request;
     // Notes whether the zygote has sent SIGKILL to this process.
     bool sent_sigkill;
   };
-  typedef base::SmallMap< std::map<base::ProcessHandle, ZygoteProcessInfo> >
+  typedef base::small_map<std::map<base::ProcessHandle, ZygoteProcessInfo>>

[danakj, 2017/04/18 21:35:50]

change "typedef" to "using" while you're here?

       ZygoteProcessMap;
 
   // Retrieve a ZygoteProcessInfo from the process_info_map_.
   // Returns true and write to process_info if |pid| can be found, return
   // false otherwise.
   bool GetProcessInfo(base::ProcessHandle pid,
                       ZygoteProcessInfo* process_info);
 
   // Returns true if the SUID sandbox is active.
   bool UsingSUIDSandbox() const;
@@ skipping 87 matching lines @@
   // children.
   std::vector<int> extra_fds_;
 
   // The vector contains the child processes that need to be reaped.
   std::vector<ZygoteProcessInfo> to_reap_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_ZYGOTE_ZYGOTE_LINUX_H_