Prepare for building with enable_app_list=0 on Desktop

ui/app_list/app_list_switches.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 "ui/app_list/app_list_switches.h"
 
 #include "base/command_line.h"
 #include "build/build_config.h"
 
 namespace app_list {
@@ skipping 32 matching lines @@
 // Enable/disable the new "blended" algorithm in app_list::Mixer. This is just
 // forcing the AppListMixer/Blended field trial.
 const char kEnableNewAppListMixer[] = "enable-new-app-list-mixer";
 const char kDisableNewAppListMixer[] = "disable-new-app-list-mixer";
 
 // If set, the app list will forget it has been installed on startup. Note this
 // doesn't prevent the app list from running, it just makes Chrome think the app
 // list hasn't been enabled (as in kEnableAppList) yet.
 const char kResetAppListInstallState[] = "reset-app-list-install-state";
 
-#if defined(OS_MACOSX)
-// Enables use of the toolkit-views app list on Mac.
-const char kEnableMacViewsAppList[] = "enable-mac-views-app-list";
-#endif
-
 bool IsAppListSyncEnabled() {
 #if defined(OS_MACOSX)
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(kEnableSyncAppList))
     return true;
 
-  if (!IsMacViewsAppListEnabled())
-    return false;
+  return false;

[Matt Giuca, 2016/05/03 07:31:16]

Removing the enable-mac-views-app-list switch is a nice piece of functionality
that could be split out of this CL into a small CL by itself.

I don't feel strongly about doing that but if you want to you could.

[tapted, 2016/05/04 09:55:43]

OK you twisted my arm :p

[Matt Giuca, 2016/05/05 00:26:30]

Ever so slightly...

 #endif
   return !base::CommandLine::ForCurrentProcess()->HasSwitch(
       kDisableSyncAppList);
 }
 
 bool IsFolderUIEnabled() {
   // Folder UI is available only when AppList sync is enabled, and should
   // not be disabled separately.
   return IsAppListSyncEnabled();
 }
@@ skipping 51 matching lines @@
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           kDisableDriveSearchInChromeLauncher))
     return false;
 
   return true;
 #else
   return false;
 #endif
 }
 
-#if defined(OS_MACOSX)
-bool IsMacViewsAppListEnabled() {
-#if defined(TOOLKIT_VIEWS)
-  return base::CommandLine::ForCurrentProcess()->HasSwitch(
-      kEnableMacViewsAppList);
-#endif
-  return false;
-}
-#endif  // defined(OS_MACOSX)
-
 }  // namespace switches
 }  // namespace app_list