Revert 187233

ipc/ipc_channel_posix.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 IPC_IPC_CHANNEL_POSIX_H_
 #define IPC_IPC_CHANNEL_POSIX_H_
 
 #include "ipc/ipc_channel.h"
 
 #include <sys/socket.h>  // for CMSG macros
@@ skipping 45 matching lines @@
               Listener* listener);
   virtual ~ChannelImpl();
   bool Connect();
   void Close();
   bool Send(Message* message);
   int GetClientFileDescriptor();
   int TakeClientFileDescriptor();
   void CloseClientFileDescriptor();
   bool AcceptsConnections() const;
   bool HasAcceptedConnection() const;
-  bool GetPeerEuid(uid_t* peer_euid) const;
+  bool GetClientEuid(uid_t* client_euid) const;
   void ResetToAcceptingConnectionState();
   base::ProcessId peer_pid() const { return peer_pid_; }
   static bool IsNamedServerInitialized(const std::string& channel_id);
 #if defined(OS_LINUX)
   static void SetGlobalPid(int pid);
 #endif  // OS_LINUX
 
  private:
   bool CreatePipe(const IPC::ChannelHandle& channel_handle);
 
@@ skipping 110 matching lines @@
   bool must_unlink_;
 
 #if defined(OS_LINUX)
   // If non-zero, overrides the process ID sent in the hello message.
   static int global_pid_;
 #endif  // OS_LINUX
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ChannelImpl);
 };
 
+// The maximum length of the name of a pipe for MODE_NAMED_SERVER or
+// MODE_NAMED_CLIENT if you want to pass in your own socket.
+// The standard size on linux is 108, mac is 104. To maintain consistency
+// across platforms we standardize on the smaller value.
+static const size_t kMaxPipeNameLength = 104;
+
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_POSIX_H_