Track NPObject ownership by the originating plugins' NPP identifier. [2/3] (Chrome)

content/renderer/webplugin_delegate_proxy.cc

Index: content/renderer/webplugin_delegate_proxy.cc
diff --git a/content/renderer/webplugin_delegate_proxy.cc b/content/renderer/webplugin_delegate_proxy.cc
index bc498033cc998d1128021cf6eff71ca7dd377e6d..6663239ff6e81b0579daec6a740f794dc18538d5 100644
--- a/content/renderer/webplugin_delegate_proxy.cc
+++ b/content/renderer/webplugin_delegate_proxy.cc
@@ -212,6 +212,7 @@ WebPluginDelegateProxy::WebPluginDelegateProxy(
       mime_type_(mime_type),
       instance_id_(MSG_ROUTING_NONE),
       npobject_(NULL),
+      npp_(new NPP_t),
       sad_plugin_(NULL),
       invalidate_pending_(false),
       transparent_(false),
@@ -743,6 +744,11 @@ NPObject* WebPluginDelegateProxy::GetPluginScriptableObject() {
   return WebBindings::retainObject(npobject_);
 }
 
+NPP WebPluginDelegateProxy::GetPluginNPP() {
+  // Return a dummy NPP for WebKit to use to identify this plugin.
+  return npp_.get();
+}
+
 bool WebPluginDelegateProxy::GetFormValue(string16* value) {
   bool success = false;
   Send(new PluginMsg_GetFormValue(instance_id_, value, &success));