Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/extensions/application_launch.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/extensions/application_launch.h"
 
 #include <string>
 
 #include "apps/launcher.h"
 #include "base/macros.h"
@@ skipping 213 matching lines @@
   Profile* const profile = launch_params.profile;
   WindowOpenDisposition disposition = launch_params.disposition;
 
   Browser* browser = chrome::FindTabbedBrowser(profile, false);
   WebContents* contents = NULL;
   if (!browser) {
     // No browser for this profile, need to open a new one.
     browser = new Browser(Browser::CreateParams(Browser::TYPE_TABBED, profile));
     browser->window()->Show();
     // There's no current tab in this browser window, so add a new one.
-    disposition = NEW_FOREGROUND_TAB;
+    disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
   } else {
     // For existing browser, ensure its window is shown and activated.
     browser->window()->Show();
     browser->window()->Activate();
   }
 
   extensions::LaunchType launch_type =
       extensions::GetLaunchType(ExtensionPrefs::Get(profile), extension);
   UMA_HISTOGRAM_ENUMERATION("Extensions.AppTabLaunchType", launch_type, 100);
 
   int add_type = TabStripModel::ADD_ACTIVE;
   if (launch_type == extensions::LAUNCH_TYPE_PINNED)
     add_type |= TabStripModel::ADD_PINNED;
 
   ui::PageTransition transition = ui::PAGE_TRANSITION_AUTO_BOOKMARK;
   chrome::NavigateParams params(browser, url, transition);
   params.tabstrip_add_types = add_type;
   params.disposition = disposition;
 
-  if (disposition == CURRENT_TAB) {
+  if (disposition == WindowOpenDisposition::CURRENT_TAB) {
     WebContents* existing_tab =
         browser->tab_strip_model()->GetActiveWebContents();
     TabStripModel* model = browser->tab_strip_model();
     int tab_index = model->GetIndexOfWebContents(existing_tab);
 
     existing_tab->OpenURL(content::OpenURLParams(
         url, content::Referrer::SanitizeForRequest(
                  url, content::Referrer(existing_tab->GetURL(),
                                         blink::WebReferrerPolicyDefault)),
         disposition, transition, false));
@@ skipping 113 matching lines @@
     return;
   }
 
   OpenEnabledApplication(params);
 }
 
 WebContents* OpenAppShortcutWindow(Profile* profile,
                                    const GURL& url) {
   AppLaunchParams launch_params(profile,
                                 NULL,  // this is a URL app.  No extension.
-                                extensions::LAUNCH_CONTAINER_WINDOW, NEW_WINDOW,
+                                extensions::LAUNCH_CONTAINER_WINDOW,
+                                WindowOpenDisposition::NEW_WINDOW,
                                 extensions::SOURCE_COMMAND_LINE);
   launch_params.override_url = url;
 
   WebContents* tab = OpenApplicationWindow(launch_params, url);
 
   if (!tab)
     return NULL;
 
   extensions::TabHelper::FromWebContents(tab)->UpdateShortcutOnLoadComplete();
 
   return tab;
 }
 
 bool CanLaunchViaEvent(const extensions::Extension* extension) {
   const extensions::Feature* feature =
       extensions::FeatureProvider::GetAPIFeature("app.runtime");
   return feature && feature->IsAvailableToExtension(extension).is_available();
 }