Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.h"
 
 #include <algorithm>
 
 #include "base/macros.h"
 #include "build/build_config.h"
@@ skipping 349 matching lines @@
 }
 
 void OmniboxPopupContentsView::OnMouseReleased(
     const ui::MouseEvent& event) {
   if (ignore_mouse_drag_) {
     OnMouseCaptureLost();
     return;
   }
 
   if (event.IsOnlyMiddleMouseButton() || event.IsOnlyLeftMouseButton()) {
-    OpenSelectedLine(event, event.IsOnlyLeftMouseButton() ? CURRENT_TAB :
-                                                            NEW_BACKGROUND_TAB);
+    OpenSelectedLine(event, event.IsOnlyLeftMouseButton()
+                                ? WindowOpenDisposition::CURRENT_TAB
+                                : WindowOpenDisposition::NEW_BACKGROUND_TAB);
   }
 }
 
 void OmniboxPopupContentsView::OnMouseCaptureLost() {
   ignore_mouse_drag_ = false;
 }
 
 void OmniboxPopupContentsView::OnMouseMoved(
     const ui::MouseEvent& event) {
   model_->SetHoveredLine(GetIndexForPoint(event.location()));
@@ skipping 11 matching lines @@
 
 void OmniboxPopupContentsView::OnGestureEvent(ui::GestureEvent* event) {
   switch (event->type()) {
     case ui::ET_GESTURE_TAP_DOWN:
     case ui::ET_GESTURE_SCROLL_BEGIN:
     case ui::ET_GESTURE_SCROLL_UPDATE:
       UpdateLineEvent(*event, true);
       break;
     case ui::ET_GESTURE_TAP:
     case ui::ET_GESTURE_SCROLL_END:
-      OpenSelectedLine(*event, CURRENT_TAB);
+      OpenSelectedLine(*event, WindowOpenDisposition::CURRENT_TAB);
       break;
     default:
       return;
   }
   event->SetHandled();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // OmniboxPopupContentsView, protected:
 
@@ skipping 109 matching lines @@
   size_t index = GetIndexForPoint(event.location());
   if (!HasMatchAt(index))
     return;
   omnibox_view_->OpenMatch(model_->result().match_at(index), disposition,
                            GURL(), base::string16(), index);
 }
 
 OmniboxResultView* OmniboxPopupContentsView::result_view_at(size_t i) {
   return static_cast<OmniboxResultView*>(child_at(static_cast<int>(i)));
 }