Move enable extensions define to a build flag.

chrome/browser/ui/browser.cc

 // Copyright 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.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 185 matching lines @@
 #include "content/public/common/content_switches.h"
 #include "content/public/common/page_zoom.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/webplugininfo.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_handlers/background_info.h"
+#include "extensions/features/features.h"
 #include "net/base/filename_util.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/url_request/url_request_context.h"
 #include "third_party/WebKit/public/web/WebWindowFeatures.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/window_open_disposition.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/shell_dialogs/selected_file_info.h"
 
@@ skipping 1789 matching lines @@
           location_bar->UpdateContentSettingsIcons();
       }
       break;
     }
 
     default:
       NOTREACHED() << "Got a notification we didn't register for.";
   }
 }
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, extensions::ExtensionRegistryObserver implementation:
 
 void Browser::OnExtensionUninstalled(content::BrowserContext* browser_context,
                                      const extensions::Extension* extension,
                                      extensions::UninstallReason reason) {
   // During window creation on Windows we may end up calling into
   // SHAppBarMessage, which internally spawns a nested message loop.This
   // makes it possible for us to end up here before window creation has
   // completed, at which point window_ is NULL. See 94752 for details.
@@ skipping 33 matching lines @@
            web_contents->GetURL().host() == extension->id()) ||
           (extensions::TabHelper::FromWebContents(web_contents)
                ->extension_app() == extension)) {
         tab_strip_model_->CloseWebContentsAt(i, TabStripModel::CLOSE_NONE);
       } else {
         chrome::UnmuteIfMutedByExtension(web_contents, extension->id());
       }
     }
   }
 }
-#endif  // defined(ENABLE_EXTENSIONS)
+#endif  // BUILDFLAG(ENABLE_EXTENSIONS)
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, translate::ContentTranslateDriver::Observer implementation:
 
 void Browser::OnIsPageTranslatedChanged(content::WebContents* source) {
   DCHECK(source);
   if (tab_strip_model_->GetActiveWebContents() == source) {
     window_->SetTranslateIconToggled(
         ChromeTranslateClient::FromWebContents(
             source)->GetLanguageState().IsPageTranslated());
@@ skipping 515 matching lines @@
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         ui::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }