screenshot disabling policy tests

chrome/browser/automation/testing_automation_provider.h

Index: chrome/browser/automation/testing_automation_provider.h
diff --git a/chrome/browser/automation/testing_automation_provider.h b/chrome/browser/automation/testing_automation_provider.h
index e91689770c947d767389c703d7d43970b2053542..f9f4cef2686e8b591fb622c4e4df38ae37a9080b 100644
--- a/chrome/browser/automation/testing_automation_provider.h
+++ b/chrome/browser/automation/testing_automation_provider.h
@@ -1537,6 +1537,14 @@ class TestingAutomationProvider : public AutomationProvider,
   void AddChromeosObservers();
   void RemoveChromeosObservers();
 
+  // ASH accelerator.
+  // Example:
+  //    input: {"action": 42} - For available actions see AcceleratorAction in
+  //        ash/accelerators/accelerator_table.h
+  //    output: {"handled": True} - Whether the accelerator was handled
+  void ApplyAshAccelerator(base::DictionaryValue* args,
+                           IPC::Message* reply_message);
+
 #endif  // defined(OS_CHROMEOS)
 
   void WaitForTabCountToBecome(int browser_handle,