First half of http://codereview.chromium.org/274014/show...

chrome/renderer/render_thread.cc

Index: chrome/renderer/render_thread.cc
===================================================================
--- chrome/renderer/render_thread.cc	(revision 30924)
+++ chrome/renderer/render_thread.cc	(working copy)
@@ -266,14 +266,13 @@
   ExtensionProcessBindings::SetHostPermissions(extension_url, permissions);
 }
 
-void RenderThread::OnDOMStorageEvent(const string16& key,
-    const NullableString16& old_value, const NullableString16& new_value,
-    const string16& origin, DOMStorageType dom_storage_type) {
-  if (!dom_storage_event_dispatcher_.get()) {
+void RenderThread::OnDOMStorageEvent(
+    const ViewMsg_DOMStorageEvent_Params& params) {
+  if (!dom_storage_event_dispatcher_.get())
     dom_storage_event_dispatcher_.reset(WebStorageEventDispatcher::create());
-  }
-  dom_storage_event_dispatcher_->dispatchStorageEvent(key, old_value, new_value,
-      origin, dom_storage_type == DOM_STORAGE_LOCAL);
+  dom_storage_event_dispatcher_->dispatchStorageEvent(params.key_,
+      params.old_value_, params.new_value_, params.origin_,
+      params.storage_type_ == DOM_STORAGE_LOCAL);
 }
 
 void RenderThread::OnExtensionSetL10nMessages(