Allow extension APIs to be compiled out.

chrome/browser/ui/webui/extensions/extension_settings_handler.cc

Index: chrome/browser/ui/webui/extensions/extension_settings_handler.cc
diff --git a/chrome/browser/ui/webui/extensions/extension_settings_handler.cc b/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
index 8f8dc11fdbf9c9a14900ed35c3db5b3fbfd9f3a6..84f0a4392ae5cd1b99cc50046759b18566d783bb 100644
--- a/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
+++ b/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
@@ -810,11 +810,15 @@ void ExtensionSettingsHandler::GetInspectablePagesForExtensionProcess(
 
 ExtensionUninstallDialog*
 ExtensionSettingsHandler::GetExtensionUninstallDialog() {
+#if !defined(OS_ANDROID)
   if (!extension_uninstall_dialog_.get()) {
     extension_uninstall_dialog_.reset(
         ExtensionUninstallDialog::Create(Profile::FromWebUI(web_ui()), this));
   }
   return extension_uninstall_dialog_.get();
+#else
+  return NULL;
+#endif  // !defined(OS_ANDROID)
 }
 
 void ExtensionSettingsHandler::InspectExtensionHost(ExtensionHost* host) {