GTTF: Ensure that when we're testing the logging system will not display dialogs.

base/logging.cc

 // Copyright (c) 2006-2009 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 "base/logging.h"
 
 #if defined(OS_WIN)
 #include <io.h>
 #include <windows.h>
 typedef HANDLE FileHandle;
@@ skipping 307 matching lines @@
   log_message_handler = handler;
 }
 
 
 // Displays a message box to the user with the error message in it.
 // Used for fatal messages, where we close the app simultaneously.
 void DisplayDebugMessageInDialog(const std::string& str) {
   if (str.empty())
     return;
 
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kNoErrorDialogs))
+    return;
+
 #if defined(OS_WIN)
   // For Windows programs, it's possible that the message loop is
   // messed up on a fatal error, and creating a MessageBox will cause
   // that message loop to be run. Instead, we try to spawn another
   // process that displays its command line. We look for "Debug
   // Message.exe" in the same directory as the application. If it
   // exists, we use it, otherwise, we use a regular message box.
   wchar_t prog_name[MAX_PATH];
   GetModuleFileNameW(NULL, prog_name, MAX_PATH);
   wchar_t* backslash = wcsrchr(prog_name, '\\');
@@ skipping 383 matching lines @@
 
   if (level == LOG_FATAL)
     DebugUtil::BreakDebugger();
 }
 
 }  // namespace logging
 
 std::ostream& operator<<(std::ostream& out, const wchar_t* wstr) {
   return out << WideToUTF8(std::wstring(wstr));
 }