Don't build the task manager into Android builds.

chrome/browser/ui/webui/chrome_web_ui_controller_factory.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/webui/chrome_web_ui_controller_factory.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 140 matching lines @@
   // Special case the new tab page. In older versions of Chrome, the new tab
   // page was hosted at chrome-internal:<blah>. This might be in people's saved
   // sessions or bookmarks, so we say any URL with that scheme triggers the new
   // tab page.
   if (url.host() == chrome::kChromeUINewTabHost ||
       url.SchemeIs(chrome::kChromeInternalScheme)) {
     return &NewWebUI<NewTabUI>;
   }
 
   /****************************************************************************
    * Please keep this in alphabetical order. If #ifs or special logics are

[Yaron, 2012/03/14 13:36:38]

See comment. The ifdef'd version should move down.

[Jesse Greenwald, 2012/03/30 21:54:47]

Done.

    * required, add it below in the appropriate section.
    ***************************************************************************/
   // We must compare hosts only since some of the Web UIs append extra stuff
   // after the host name.
   if (url.host() == chrome::kChromeUIBookmarksHost)
     return &NewWebUI<BookmarksUI>;
   // All platform builds of Chrome will need to have a cloud printing
   // dialog as backup.  It's just that on Chrome OS, it's the only
   // print dialog.
   if (url.host() == chrome::kChromeUICloudPrintResourcesHost)
@@ skipping 37 matching lines @@
   if (url.host() == chrome::kChromeUIProfilerHost)
     return &NewWebUI<ProfilerUI>;
   if (url.host() == chrome::kChromeUIQuotaInternalsHost)
     return &NewWebUI<QuotaInternalsUI>;
   if (url.host() == chrome::kChromeUISessionsHost)
     return &NewWebUI<SessionsUI>;
   if (url.host() == chrome::kChromeUISyncInternalsHost)
     return &NewWebUI<SyncInternalsUI>;
   if (url.host() == chrome::kChromeUISyncResourcesHost)
     return &NewWebUI<HtmlDialogUI>;
+#if defined(ENABLE_TASK_MANAGER)
   if (url.host() == chrome::kChromeUITaskManagerHost)
     return &NewWebUI<TaskManagerUI>;
+#endif
   if (url.host() == chrome::kChromeUITracingHost)
     return &NewWebUI<TracingUI>;
   if (url.host() == chrome::kChromeUIUberFrameHost)
     return &NewWebUI<UberFrameUI>;
   if (url.host() == chrome::kChromeUIUberHost)
     return &NewWebUI<UberUI>;
   if (url.host() == chrome::kChromeUIWorkersHost)
     return &NewWebUI<WorkersUI>;
 
   /****************************************************************************
@@ skipping 78 matching lines @@
   }
 #endif
 
   if (url.host() == chrome::kChromeUIChromeURLsHost ||
       url.host() == chrome::kChromeUICreditsHost ||
       url.host() == chrome::kChromeUIDNSHost ||
       url.host() == chrome::kChromeUIHistogramsHost ||
       url.host() == chrome::kChromeUIMemoryHost ||
       url.host() == chrome::kChromeUIMemoryRedirectHost ||
       url.host() == chrome::kChromeUIStatsHost ||
       url.host() == chrome::kChromeUITaskManagerHost ||

[Yaron, 2012/03/14 13:36:38]

Also referenced here.

[Jesse Greenwald, 2012/03/30 21:54:47]

Done.

       url.host() == chrome::kChromeUITermsHost ||
       url.host() == chrome::kChromeUIVersionHost
 #if defined(USE_TCMALLOC)
       || url.host() == chrome::kChromeUITCMallocHost
 #endif
 #if defined(OS_LINUX) || defined(OS_OPENBSD)
       || url.host() == chrome::kChromeUILinuxProxyConfigHost
       || url.host() == chrome::kChromeUISandboxHost
 #endif
 #if defined(OS_CHROMEOS)
@@ skipping 168 matching lines @@
 
   if (page_url.host() == chrome::kChromeUISettingsFrameHost)
     return options2::OptionsUI::GetFaviconResourceBytes();
 #endif
 
   if (page_url.host() == chrome::kChromeUIPluginsHost)
     return PluginsUI::GetFaviconResourceBytes();
 
   return NULL;
 }