Revert r18641: "Linux: Enable metrics_service_uitest.cc."

chrome/browser/zygote_host_linux.cc

 // Copyright (c) 2009 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/browser/zygote_host_linux.h"
 
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 
@@ skipping 76 matching lines @@
 }
 
 void ZygoteHost::EnsureProcessTerminated(pid_t process) {
   Pickle pickle;
 
   pickle.WriteInt(kCmdReap);
   pickle.WriteInt(process);
 
   HANDLE_EINTR(write(control_fd_, pickle.data(), pickle.size()));
 }
-
-bool ZygoteHost::DidProcessCrash(base::ProcessHandle handle,
-                                 bool* child_exited) {
-  Pickle pickle;
-  pickle.WriteInt(kCmdDidProcessCrash);
-  pickle.WriteInt(handle);
-
-  HANDLE_EINTR(write(control_fd_, pickle.data(), pickle.size()));
-
-  static const unsigned kMaxMessageLength = 128;
-  char buf[kMaxMessageLength];
-  const ssize_t len = HANDLE_EINTR(read(control_fd_, buf, sizeof(buf)));
-
-  if (len == -1) {
-    LOG(WARNING) << "Error reading message from zygote: " << errno;
-    return false;
-  } else if (len == 0) {
-    LOG(WARNING) << "Socket closed prematurely.";
-    return false;
-  }
-
-  Pickle read_pickle(buf, len);
-  bool did_crash, tmp_child_exited;
-  void* iter = NULL;
-  if (!read_pickle.ReadBool(&iter, &did_crash) ||
-      !read_pickle.ReadBool(&iter, &tmp_child_exited)) {
-    LOG(WARNING) << "Error parsing DidProcessCrash response from zygote.";
-    return false;
-  }
-
-  if (child_exited)
-    *child_exited = tmp_child_exited;
-
-  return did_crash;
-}