Move enable extensions define to a build flag.

chrome/browser/ui/browser_navigator.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/browser_navigator.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 19 matching lines @@
 #include "chrome/browser/ui/status_bubble.h"
 #include "chrome/browser/ui/tab_helpers.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/url_constants.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/browser_url_handler.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
+#include "extensions/features/features.h"
 
 #if defined(USE_ASH)
 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
 #include "components/signin/core/account_id/account_id.h"
 #endif
 
 #if defined(USE_AURA)
 #include "ui/aura/window.h"
 #endif
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_set.h"
 #endif
 
 using content::GlobalRequestID;
 using content::NavigationController;
 using content::WebContents;
@@ skipping 88 matching lines @@
       // See if we can open the tab in the window this navigator is bound to.
       if (params->browser && WindowCanOpenTabs(params->browser))
         return params->browser;
       // Find a compatible window and re-execute this command in it. Otherwise
       // re-run with NEW_WINDOW.
       return GetOrCreateBrowser(profile);
     case WindowOpenDisposition::NEW_POPUP: {
       // Make a new popup window.
       // Coerce app-style if |source| represents an app.
       std::string app_name;
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
       if (!params->extension_app_id.empty()) {
         app_name = web_app::GenerateApplicationNameFromExtensionId(
             params->extension_app_id);
       } else if (params->browser && !params->browser->app_name().empty()) {
         app_name = params->browser->app_name();
       } else if (params->source_contents) {
         extensions::TabHelper* extensions_tab_helper =
             extensions::TabHelper::FromWebContents(params->source_contents);
         if (extensions_tab_helper && extensions_tab_helper->is_app()) {
           app_name = web_app::GenerateApplicationNameFromExtensionId(
@@ skipping 199 matching lines @@
         params.browser->window()->GetNativeWindow();
   }
 #endif
 
   WebContents* target_contents = WebContents::Create(create_params);
 
   // New tabs can have WebUI URLs that will make calls back to arbitrary
   // tab helpers, so the entire set of tab helpers needs to be set up
   // immediately.
   BrowserNavigatorWebContentsAdoption::AttachTabHelpers(target_contents);
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   extensions::TabHelper::FromWebContents(target_contents)->
       SetExtensionAppById(params.extension_app_id);
 #endif
 
   return target_contents;
 }
 
 // If a prerendered page exists for |url|, replace the page at
 // |params->target_contents| with it and update to point to the swapped-in
 // WebContents.
@@ skipping 18 matching lines @@
 
 void Navigate(NavigateParams* params) {
   Browser* source_browser = params->browser;
   if (source_browser)
     params->initiating_profile = source_browser->profile();
   DCHECK(params->initiating_profile);
 
   if (!AdjustNavigateParamsForURL(params))
     return;
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   const extensions::Extension* extension =
     extensions::ExtensionRegistry::Get(params->initiating_profile)->
         enabled_extensions().GetExtensionOrAppByURL(params->url);
   // Platform apps cannot navigate. Block the request.
   if (extension && extension->is_platform_app())
     params->url = GURL(chrome::kExtensionInvalidRequestURL);
 #endif
 
   // The browser window may want to adjust the disposition.
   if (params->disposition == WindowOpenDisposition::NEW_POPUP &&
@@ skipping 238 matching lines @@
   bool reverse_on_redirect = false;
   content::BrowserURLHandler::GetInstance()->RewriteURLIfNecessary(
       &rewritten_url, browser_context, &reverse_on_redirect);
 
   // Some URLs are mapped to uber subpages. Do not allow them in incognito.
   return !(rewritten_url.scheme() == content::kChromeUIScheme &&
            rewritten_url.host() == chrome::kChromeUIUberHost);
 }
 
 }  // namespace chrome