Move enable_app_list to a buildflag.

chrome/browser/shell_integration_linux.h

 // 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.
 
 #ifndef CHROME_BROWSER_SHELL_INTEGRATION_LINUX_H_
 #define CHROME_BROWSER_SHELL_INTEGRATION_LINUX_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
 #include "chrome/browser/web_applications/web_app.h"
+#include "chrome/common/features.h"
 #include "url/gurl.h"
 
 namespace base {
 class CommandLine;
 class Environment;
 }
 
 namespace shell_integration_linux {
 
 // Get the path to write user-specific application data files to, as specified
@@ skipping 91 matching lines @@
                                      const std::string& icon_name);
 
 // Create shortcuts on the desktop or in the application menu (as specified by
 // |shortcut_info|), for the web page or extension in |shortcut_info|.
 // For extensions, duplicate shortcuts are avoided, so if a requested shortcut
 // already exists it is deleted first.
 bool CreateDesktopShortcut(
     const web_app::ShortcutInfo& shortcut_info,
     const web_app::ShortcutLocations& creation_locations);
 
-#if defined(ENABLE_APP_LIST)
+#if BUILDFLAG(ENABLE_APP_LIST)
 // Create shortcuts in the application menu for the app launcher. Duplicate
 // shortcuts are avoided, so if a requested shortcut already exists it is
 // deleted first. Also creates the icon required by the shortcut.
 bool CreateAppListDesktopShortcut(const std::string& wm_class,
                                   const std::string& title);
 #endif
 
 // Delete any desktop shortcuts on desktop or in the application menu that have
 // been added for the extension with |extension_id| in |profile_path|.
 void DeleteDesktopShortcuts(const base::FilePath& profile_path,
@@ skipping 10 matching lines @@
 std::string GetProgramClassName(const base::CommandLine& command_line,
                                 const std::string& desktop_file_name);
 std::string GetProgramClassClass(const base::CommandLine& command_line,
                                  const std::string& desktop_file_name);
 
 }  // namespace internal
 
 }  // namespace shell_integration_linux
 
 #endif  // CHROME_BROWSER_SHELL_INTEGRATION_LINUX_H_