Don't build the task manager into Android builds.

chrome/browser/prefs/browser_prefs.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/prefs/browser_prefs.h"
 
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/background/background_mode_manager.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
@@ skipping 31 matching lines @@
 #include "chrome/browser/printing/print_job_manager.h"
 #include "chrome/browser/profiles/chrome_version_service.h"
 #include "chrome/browser/profiles/gaia_info_update_service.h"
 #include "chrome/browser/profiles/profile_impl.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/renderer_host/web_cache_manager.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/search_engines/template_url_prepopulate_data.h"
 #include "chrome/browser/tabs/pinned_tab_codec.h"
-#include "chrome/browser/task_manager/task_manager.h"
 #include "chrome/browser/translate/translate_prefs.h"
 #include "chrome/browser/ui/alternate_error_tab_observer.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_init.h"
 #include "chrome/browser/ui/gesture_prefs.h"
 #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
 #include "chrome/browser/ui/search_engines/keyword_editor_controller.h"
 #include "chrome/browser/ui/webui/extensions/extension_settings_handler.h"
 #include "chrome/browser/ui/webui/flags_ui.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_page_handler.h"
@@ skipping 33 matching lines @@
 #include "chrome/browser/policy/auto_enrollment_client.h"
 #include "chrome/browser/policy/device_status_collector.h"
 #else
 #include "chrome/browser/extensions/default_apps.h"
 #endif
 
 #if defined(USE_ASH)
 #include "chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.h"
 #endif
 
+#if defined(ENABLE_TASK_MANAGER)

[jam, 2012/04/02 15:49:28]

nit: ditto

+#include "chrome/browser/task_manager/task_manager.h"
+#endif  // defined(ENABLE_TASK_MANAGER)
+
 namespace browser {
 
 void RegisterLocalState(PrefService* local_state) {
   // Prefs in Local State
   local_state->RegisterIntegerPref(prefs::kMultipleProfilePrefMigration, 0);
 
   AppsPromo::RegisterPrefs(local_state);
   browser_shutdown::RegisterPrefs(local_state);
   ExternalProtocolHandler::RegisterPrefs(local_state);
   geolocation::RegisterPrefs(local_state);
   GoogleURLTracker::RegisterPrefs(local_state);
   IntranetRedirectDetector::RegisterPrefs(local_state);
   KeywordEditorController::RegisterPrefs(local_state);
   ManagedMode::RegisterPrefs(local_state);
   MetricsLog::RegisterPrefs(local_state);
   MetricsService::RegisterPrefs(local_state);
   PrefProxyConfigTrackerImpl::RegisterPrefs(local_state);
   ProfileInfoCache::RegisterPrefs(local_state);
   ProfileManager::RegisterPrefs(local_state);
   SSLConfigServiceManager::RegisterPrefs(local_state);
-  TaskManager::RegisterPrefs(local_state);
   WebCacheManager::RegisterPrefs(local_state);
 
 #if defined(ENABLE_CONFIGURATION_POLICY)
   policy::CloudPolicySubsystem::RegisterPrefs(local_state);
 #endif
 
 #if defined(ENABLE_NOTIFICATIONS)
   NotificationUIManager::RegisterPrefs(local_state);
 #endif
 
 #if defined(ENABLE_SAFE_BROWSING)
   SafeBrowsingService::RegisterPrefs(local_state);
 #endif
 
+#if defined(ENABLE_TASK_MANAGER)
+  TaskManager::RegisterPrefs(local_state);
+#endif  // defined(ENABLE_TASK_MANAGER)
+
 #if defined(TOOLKIT_VIEWS)
   BrowserView::RegisterBrowserViewPrefs(local_state);
 #endif
 
 #if !defined(OS_ANDROID)
   BackgroundModeManager::RegisterPrefs(local_state);
   Browser::RegisterPrefs(local_state);
   FlagsUI::RegisterPrefs(local_state);
   NewTabPageHandler::RegisterPrefs(local_state);
   printing::PrintJobManager::RegisterPrefs(local_state);
@@ skipping 132 matching lines @@
     }
     local_state->ClearPref(prefs::kBrowserWindowPlacement);
 
     current_version |= WINDOWS_PREFS;
     local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
                             current_version);
   }
 }
 
 }  // namespace browser