[chromedriver] Add chrome.detach option for configuring Chrome not to quit

chrome/browser/automation/automation_provider.cc

 // Copyright (c) 2011 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/automation/automation_provider.h"
 
 #include <set>
 
 #include "base/callback.h"
+#include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/file_path.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/json/string_escape.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
@@ skipping 78 matching lines @@
 #if defined(OS_WIN)
 #include "chrome/browser/external_tab_container_win.h"
 #endif  // defined(OS_WIN)
 
 using WebKit::WebFindOptions;
 using base::Time;
 
 AutomationProvider::AutomationProvider(Profile* profile)
     : profile_(profile),
       reply_message_(NULL),
-      reinitialize_on_channel_error_(false),
+      reinitialize_on_channel_error_(
+          CommandLine::ForCurrentProcess()->HasSwitch(
+              switches::kAutomationReinitializeOnChannelError)),
       is_connected_(false),
       initial_tab_loads_complete_(false),
       network_library_initialized_(true) {
   TRACE_EVENT_BEGIN_ETW("AutomationProvider::AutomationProvider", 0, "");
 
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   browser_tracker_.reset(new AutomationBrowserTracker(this));
   extension_tracker_.reset(new AutomationExtensionTracker(this));
   tab_tracker_.reset(new AutomationTabTracker(this));
@@ skipping 822 matching lines @@
     }
   }
 }
 
 void AutomationProvider::SaveAsAsync(int tab_handle) {
   NavigationController* tab = NULL;
   TabContents* tab_contents = GetTabContentsForHandle(tab_handle, &tab);
   if (tab_contents)
     tab_contents->OnSavePage();
 }