Revert 187233

ipc/ipc_channel_posix.h

Index: ipc/ipc_channel_posix.h
===================================================================
--- ipc/ipc_channel_posix.h	(revision 187239)
+++ ipc/ipc_channel_posix.h	(working copy)
@@ -63,7 +63,7 @@
   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);
@@ -194,6 +194,12 @@
   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_