[Autofill] Add UMA timing metrics for requestAutocomplete dialog.

chrome/browser/ui/autofill/autofill_dialog_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_H_
 
 #include "chrome/browser/ui/autofill/autofill_dialog_controller.h"
 
 namespace content {
@@ skipping 37 matching lines @@
   // Returns a NotificationSource to be used to monitor for sign-in completion.
   virtual const content::NavigationController& ShowSignIn() = 0;
 
   // Closes out any signin UI and returns to normal operation.
   virtual void HideSignIn() = 0;
 
   // Updates the progress bar based on the Autocheckout progress. |value| should
   // be in [0.0, 1.0].
   virtual void UpdateProgressBar(double value) = 0;
 
+  // Simulates the user pressing 'Submit' to accept the dialog.
+  virtual void SubmitForTesting() = 0;
+
+  // Simulates the user pressing 'Cancel' to abort the dialog.
+  virtual void CancelForTesting() = 0;
+
   // Factory function to create the dialog (implemented once per view
   // implementation). |controller| will own the created dialog.
   static AutofillDialogView* Create(AutofillDialogController* controller);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_H_