Land http://codereview.chromium.org/159067:

chrome/browser/tab_contents/tab_contents.cc

Index: chrome/browser/tab_contents/tab_contents.cc
diff --git a/chrome/browser/tab_contents/tab_contents.cc b/chrome/browser/tab_contents/tab_contents.cc
index 72cca16e39e4fcde4b4693c6bf7b6aff0a1c4167..062f9dc796d10c5dc7c09b849945ff85a62ec5cd 100644
--- a/chrome/browser/tab_contents/tab_contents.cc
+++ b/chrome/browser/tab_contents/tab_contents.cc
@@ -1776,12 +1776,19 @@ TabContents* TabContents::GetAsTabContents() {
   return this;
 }
 
+ViewType::Type TabContents::GetRenderViewType() const {
+  return ViewType::TAB_CONTENTS;
+}
+
+int TabContents::GetBrowserWindowID() const {
+  return controller().window_id().id();
+}
+
 void TabContents::RenderViewCreated(RenderViewHost* render_view_host) {
   NotificationService::current()->Notify(
       NotificationType::RENDER_VIEW_HOST_CREATED_FOR_TAB,
       Source<TabContents>(this),
       Details<RenderViewHost>(render_view_host));
-
   NavigationEntry* entry = controller_.GetActiveEntry();
   if (!entry)
     return;