change the value of SET_STATE_OPTIONS back to 1

chrome/browser/ui/translate/translate_bubble_view_state_transition.h

 // Copyright 2013 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_TRANSLATE_TRANSLATE_BUBBLE_VIEW_STATE_TRANSITION_H_
 #define CHROME_BROWSER_UI_TRANSLATE_TRANSLATE_BUBBLE_VIEW_STATE_TRANSITION_H_
 
 #include "base/macros.h"
 #include "chrome/browser/ui/translate/translate_bubble_model.h"
 
 namespace translate {
 
 enum TranslateBubbleUiEvent {
+  // Start with 1 to match existing UMA values: see http://crbug.com/612558
   // The user clicked the advanced option.
-  SET_STATE_OPTIONS,
+  SET_STATE_OPTIONS = 1,
 
   // The user clicked "Done" and went back from the advanced option.
   LEAVE_STATE_OPTIONS,
 
   // The user clicked the advanced link.
   ADVANCED_LINK_CLICKED,
 
   // The user checked the "always translate" checkbox.
   ALWAYS_TRANSLATE_CHECKED,
 
@@ skipping 72 matching lines @@
   // The view type. When the current view type is not 'Advanced' view, this is
   // equivalent to |view_state_|. Otherwise, this is the previous view type
   // before the user opens the 'Advanced' view. This is used to navigate when
   // pressing 'Cancel' button on the 'Advanced' view.
   TranslateBubbleModel::ViewState view_state_before_advanced_view_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateBubbleViewStateTransition);
 };
 
 #endif  // CHROME_BROWSER_UI_TRANSLATE_TRANSLATE_BUBBLE_VIEW_STATE_TRANSITION_H_