Linux: remove the pipe errors that we spew all the time.

ipc/ipc_channel_posix.cc

 // Copyright (c) 2008 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 "ipc/ipc_channel_posix.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <stddef.h>
 #include <sys/types.h>
@@ skipping 429 matching lines @@
       if (bytes_read < 0) {
         if (errno == EAGAIN) {
           return true;
 #if defined(OS_MACOSX)
         } else if (errno == EPERM) {
           // On OSX, reading from a pipe with no listener returns EPERM
           // treat this as a special case to prevent spurious error messages
           // to the console.
           return false;
 #endif  // defined(OS_MACOSX)
+        } else if (errno == ECONNRESET) {
+          return false;
         } else {
           PLOG(ERROR) << "pipe error (" << pipe_ << ")";
           return false;
         }
       } else if (bytes_read == 0) {
         // The pipe has closed...
         Close();
         return false;
       }
     }
@@ skipping 545 matching lines @@
 
 bool Channel::Send(Message* message) {
   return channel_impl_->Send(message);
 }
 
 int Channel::GetClientFileDescriptor() const {
   return channel_impl_->GetClientFileDescriptor();
 }
 
 }  // namespace IPC