Convert WindowOpenDisposition to an enum class.

content/browser/web_contents/web_contents_impl.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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 2038 matching lines @@
   // Create the new web contents. This will automatically create the new
   // WebContentsView. In the future, we may want to create the view separately.
   CreateParams create_params(GetBrowserContext(), site_instance.get());
   create_params.routing_id = route_id;
   create_params.main_frame_routing_id = main_frame_route_id;
   create_params.main_frame_widget_routing_id = main_frame_widget_route_id;
   create_params.main_frame_name = params.frame_name;
   create_params.opener_render_process_id = render_process_id;
   create_params.opener_render_frame_id = params.opener_render_frame_id;
   create_params.opener_suppressed = params.opener_suppressed;
-  if (params.disposition == NEW_BACKGROUND_TAB)
+  if (params.disposition == WindowOpenDisposition::NEW_BACKGROUND_TAB)
     create_params.initially_hidden = true;
   create_params.renderer_initiated_creation =
       main_frame_route_id != MSG_ROUTING_NONE;
 
   WebContentsImpl* new_contents = NULL;
   if (!is_guest) {
     create_params.context = view_->GetNativeView();
     create_params.initial_size = GetContainerBounds().size();
     new_contents = static_cast<WebContentsImpl*>(
         WebContents::Create(create_params));
@@ skipping 40 matching lines @@
     // When the opener is suppressed, the original renderer cannot access the
     // new window.  As a result, we need to show and navigate the window here.
     bool was_blocked = false;
     if (delegate_) {
       gfx::Rect initial_rect;
       delegate_->AddNewContents(
           this, new_contents, params.disposition, initial_rect,
           params.user_gesture, &was_blocked);
     }
     if (!was_blocked) {
-      OpenURLParams open_params(params.target_url, params.referrer, CURRENT_TAB,
+      OpenURLParams open_params(params.target_url, params.referrer,
+                                WindowOpenDisposition::CURRENT_TAB,
                                 ui::PAGE_TRANSITION_LINK,
                                 true /* is_renderer_initiated */);
       open_params.user_gesture = params.user_gesture;
 
       if (delegate_ && !is_guest &&
           !delegate_->ShouldResumeRequestsForCreatedWindow()) {
         // We are in asynchronous add new contents path, delay opening url
         new_contents->delayed_open_url_params_.reset(
             new OpenURLParams(open_params));
       } else {
@@ skipping 3073 matching lines @@
   for (RenderViewHost* render_view_host : render_view_host_set)
     render_view_host->OnWebkitPreferencesChanged();
 }
 
 void WebContentsImpl::SetJavaScriptDialogManagerForTesting(
     JavaScriptDialogManager* dialog_manager) {
   dialog_manager_ = dialog_manager;
 }
 
 }  // namespace content