Cleanup: Remove most enable_extensions logic in chrome/ extensions code.

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 bc97cf2029e52a3cee2abf3f96ac5031d49c923b..5ffb951845af440c48019758300bd9a4711d8c14 100644
--- a/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
+++ b/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
@@ -1483,7 +1483,6 @@ void ExtensionSettingsHandler::GetAppWindowPagesForExtensionProfile(
 
 ExtensionUninstallDialog*
 ExtensionSettingsHandler::GetExtensionUninstallDialog() {
-#if !defined(OS_ANDROID)
   if (!extension_uninstall_dialog_.get()) {
     Browser* browser = chrome::FindBrowserWithWebContents(
         web_ui()->GetWebContents());
@@ -1493,9 +1492,6 @@ ExtensionSettingsHandler::GetExtensionUninstallDialog() {
                                          this));
   }
   return extension_uninstall_dialog_.get();
-#else
-  return NULL;
-#endif  // !defined(OS_ANDROID)
 }
 
 void ExtensionSettingsHandler::OnReinstallComplete(