Restart named testing channel on disconnect.

chrome/browser/automation/automation_provider.h

Index: chrome/browser/automation/automation_provider.h
diff --git a/chrome/browser/automation/automation_provider.h b/chrome/browser/automation/automation_provider.h
index a9dbc9d9db5b05e7ab43bac6e388b9b72557993f..90e75b374b4154867b3d2c7705801426ff86c3ba 100644
--- a/chrome/browser/automation/automation_provider.h
+++ b/chrome/browser/automation/automation_provider.h
@@ -211,9 +211,15 @@ class AutomationProvider
   scoped_refptr<AutomationResourceMessageFilter>
       automation_resource_message_filter_;
 
+  // True iff we should open a new automation IPC channel if it closes.
+  bool reinitialize_on_channel_error_;
+
  private:
   void OnUnhandledMessage();
 
+  // Clear and reinitialize the automation IPC channel.
+  bool ReinitializeChannel();
+
   // IPC Message callbacks.
   void WindowSimulateDrag(int handle,
                           std::vector<gfx::Point> drag_path,
@@ -396,6 +402,9 @@ class AutomationProvider
   // True iff browser finished loading initial set of tabs.
   bool initial_loads_complete_;
 
+  // ID of automation channel.
+  std::string channel_id_;
+
   DISALLOW_COPY_AND_ASSIGN(AutomationProvider);
 };