Plugin Power Saver: Enable JS access to throttled plugins.

components/plugins/renderer/plugin_placeholder.cc

Index: components/plugins/renderer/plugin_placeholder.cc
diff --git a/components/plugins/renderer/plugin_placeholder.cc b/components/plugins/renderer/plugin_placeholder.cc
index 46862656967e355bdc47c08e4a8408da04776544..8bbe491c405cded2a3c55e8613179f48ee962fb1 100644
--- a/components/plugins/renderer/plugin_placeholder.cc
+++ b/components/plugins/renderer/plugin_placeholder.cc
@@ -42,6 +42,11 @@ void PluginPlaceholder::PluginDestroyed() {
   plugin_ = NULL;
 }
 
+v8::Local<v8::Object> PluginPlaceholder::GetV8ScriptableObject(
+    v8::Isolate* isolate) const {
+  return v8::Local<v8::Object>();
+}
+
 void PluginPlaceholder::OnDestruct() {
   frame_ = NULL;
 }