Adds kind-of-live thumbnail generation for a potential tab switcher. This...

chrome/browser/tab_contents/render_view_host_manager.cc

Index: chrome/browser/tab_contents/render_view_host_manager.cc
===================================================================
--- chrome/browser/tab_contents/render_view_host_manager.cc	(revision 17971)
+++ chrome/browser/tab_contents/render_view_host_manager.cc	(working copy)
@@ -57,6 +57,10 @@
     site_instance = SiteInstance::CreateSiteInstance(profile);
   render_view_host_ = RenderViewHostFactory::Create(
       site_instance, render_view_delegate_, routing_id, modal_dialog_event);
+  NotificationService::current()->Notify(
+      NotificationType::RENDER_VIEW_HOST_CREATED_FOR_TAB,
+      Source<RenderViewHostManager>(this),
+      Details<RenderViewHost>(render_view_host_));
 }
 
 RenderViewHost* RenderViewHostManager::Navigate(const NavigationEntry& entry) {
@@ -406,6 +410,10 @@
 
   pending_render_view_host_ = RenderViewHostFactory::Create(
       instance, render_view_delegate_, MSG_ROUTING_NONE, NULL);
+  NotificationService::current()->Notify(
+      NotificationType::RENDER_VIEW_HOST_CREATED_FOR_TAB,
+      Source<RenderViewHostManager>(this),
+      Details<RenderViewHost>(pending_render_view_host_));
 
   bool success = delegate_->CreateRenderViewForRenderManager(
       pending_render_view_host_);