Remove unused packaged app window controls code.

extensions/renderer/app_window_custom_bindings.cc

Index: extensions/renderer/app_window_custom_bindings.cc
diff --git a/extensions/renderer/app_window_custom_bindings.cc b/extensions/renderer/app_window_custom_bindings.cc
index 6553e5e307155a7d9d48be9c59abdcc522401dae..74932198da215bd97c344d362a9cf81a42c4cd55 100644
--- a/extensions/renderer/app_window_custom_bindings.cc
+++ b/extensions/renderer/app_window_custom_bindings.cc
@@ -24,10 +24,6 @@ AppWindowCustomBindings::AppWindowCustomBindings(ScriptContext* context)
     : ObjectBackedNativeHandler(context) {
   RouteFunction("GetFrame", base::Bind(&AppWindowCustomBindings::GetFrame,
                                        base::Unretained(this)));
-
-  RouteFunction("GetWindowControlsHtmlTemplate",
-      base::Bind(&AppWindowCustomBindings::GetWindowControlsHtmlTemplate,
-                 base::Unretained(this)));
 }
 
 void AppWindowCustomBindings::GetFrame(
@@ -61,22 +57,4 @@ void AppWindowCustomBindings::GetFrame(
   args.GetReturnValue().Set(window);
 }
 
-void AppWindowCustomBindings::GetWindowControlsHtmlTemplate(
-    const v8::FunctionCallbackInfo<v8::Value>& args) {
-  CHECK_EQ(args.Length(), 0);
-
-  v8::Local<v8::Value> result = v8::String::Empty(args.GetIsolate());
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableAppWindowControls)) {
-    base::StringValue value(
-        ResourceBundle::GetSharedInstance()
-            .GetRawDataResource(IDR_WINDOW_CONTROLS_TEMPLATE_HTML)
-            .as_string());
-    std::unique_ptr<content::V8ValueConverter> converter(
-        content::V8ValueConverter::create());
-    result = converter->ToV8Value(&value, context()->v8_context());
-  }
-  args.GetReturnValue().Set(result);
-}
-
 }  // namespace extensions