Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/app_list/start_page_service.cc

 // 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.
 
 #include "chrome/browser/ui/app_list/start_page_service.h"
 
 #include <stddef.h>
 
 #include <string>
 
@@ skipping 164 matching lines @@
 
   void AddNewContents(content::WebContents* source,
                       content::WebContents* new_contents,
                       WindowOpenDisposition disposition,
                       const gfx::Rect& initial_pos,
                       bool user_gesture,
                       bool* was_blocked) override {
     chrome::ScopedTabbedBrowserDisplayer displayer(profile_);
     // Force all links to open in a new tab, even if they were trying to open a
     // new window.
-    disposition =
-        disposition == NEW_BACKGROUND_TAB ? disposition : NEW_FOREGROUND_TAB;
-    chrome::AddWebContents(displayer.browser(),
-                           nullptr,
-                           new_contents,
-                           disposition,
-                           initial_pos,
-                           user_gesture,
-                           was_blocked);
+    disposition = disposition == WindowOpenDisposition::NEW_BACKGROUND_TAB
+                      ? disposition
+                      : WindowOpenDisposition::NEW_FOREGROUND_TAB;
+    chrome::AddWebContents(displayer.browser(), nullptr, new_contents,
+                           disposition, initial_pos, user_gesture, was_blocked);
   }
 
   content::WebContents* OpenURLFromTab(
       content::WebContents* source,
       const content::OpenURLParams& params) override {
     // Force all links to open in a new tab, even if they were trying to open a
     // window.
     chrome::NavigateParams new_tab_params(
         static_cast<Browser*>(nullptr), params.url, params.transition);
-    if (params.disposition == NEW_BACKGROUND_TAB) {
-      new_tab_params.disposition = NEW_BACKGROUND_TAB;
+    if (params.disposition == WindowOpenDisposition::NEW_BACKGROUND_TAB) {
+      new_tab_params.disposition = WindowOpenDisposition::NEW_BACKGROUND_TAB;
     } else {
-      new_tab_params.disposition = NEW_FOREGROUND_TAB;
+      new_tab_params.disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
       new_tab_params.window_action = chrome::NavigateParams::SHOW_WINDOW;
     }
 
     new_tab_params.initiating_profile = profile_;
     chrome::Navigate(&new_tab_params);
 
     return new_tab_params.target_contents;
   }
 
   bool PreHandleGestureEvent(content::WebContents* /*source*/,
@@ skipping 481 matching lines @@
 
   // Check for a new doodle.
   content::BrowserThread::PostDelayedTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(&StartPageService::FetchDoodleJson,
                  weak_factory_.GetWeakPtr()),
       recheck_delay);
 }
 
 }  // namespace app_list