Getting rid of more webview memory leaks.

components/guest_view/browser/guest_view_message_filter.cc

Index: components/guest_view/browser/guest_view_message_filter.cc
diff --git a/components/guest_view/browser/guest_view_message_filter.cc b/components/guest_view/browser/guest_view_message_filter.cc
index de7dbec03794099bd14ba2e95aea6ec6215b40cc..196b783dd8e40ab53b912c527d7e22b1693335ca 100644
--- a/components/guest_view/browser/guest_view_message_filter.cc
+++ b/components/guest_view/browser/guest_view_message_filter.cc
@@ -74,6 +74,7 @@ bool GuestViewMessageFilter::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(GuestViewMessageFilter, message)
     IPC_MESSAGE_HANDLER(GuestViewHostMsg_AttachGuest, OnAttachGuest)
+    IPC_MESSAGE_HANDLER(GuestViewHostMsg_ViewCreated, OnViewCreated)
     IPC_MESSAGE_HANDLER(GuestViewHostMsg_ViewGarbageCollected,
                         OnViewGarbageCollected)
     IPC_MESSAGE_UNHANDLED(handled = false)
@@ -81,6 +82,13 @@ bool GuestViewMessageFilter::OnMessageReceived(const IPC::Message& message) {
   return handled;
 }
 
+void GuestViewMessageFilter::OnViewCreated(int view_instance_id,
+                                           const std::string& view_type) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  GetOrCreateGuestViewManager()->ViewCreated(
+      render_process_id_, view_instance_id, view_type);
+}
+
 void GuestViewMessageFilter::OnViewGarbageCollected(int view_instance_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   GetOrCreateGuestViewManager()->ViewGarbageCollected(render_process_id_,