Don't show the restart dialog in the GPU process.

chrome/app/breakpad_win.cc

 // 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.
 
 #include "chrome/app/breakpad_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 #include <tchar.h>
 
@@ skipping 596 matching lines @@
 
 // This function is executed by the child process that DumpDoneCallback()
 // spawned and basically just shows the 'chrome has crashed' dialog if
 // the CHROME_CRASHED environment variable is present.
 bool ShowRestartDialogIfCrashed(bool* exit_now) {
   if (!::GetEnvironmentVariableW(ASCIIToWide(env_vars::kShowRestart).c_str(),
                                  NULL, 0)) {
     return false;
   }
 
+  // Only show this for the browser process. See crbug.com/132119.
+  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+  std::string process_type =
+      command_line.GetSwitchValueASCII(switches::kProcessType);
+  if (!process_type.empty()) {
+    return false;
+  }
+
   DWORD len = ::GetEnvironmentVariableW(
       ASCIIToWide(env_vars::kRestartInfo).c_str(), NULL, 0);
   if (!len)
     return true;
 
   wchar_t* restart_data = new wchar_t[len + 1];
   ::GetEnvironmentVariableW(ASCIIToWide(env_vars::kRestartInfo).c_str(),
                             restart_data, len);
   restart_data[len] = 0;
   // The CHROME_RESTART var contains the dialog strings separated by '|'.
@@ skipping 213 matching lines @@
   previous_filter = SetUnhandledExceptionFilter(filter);
 }
 
 void StringVectorToCStringVector(const std::vector<std::wstring>& wstrings,
                                  std::vector<const wchar_t*>* cstrings) {
   cstrings->clear();
   cstrings->reserve(wstrings.size());
   for (size_t i = 0; i < wstrings.size(); ++i)
     cstrings->push_back(wstrings[i].c_str());
 }