Use manifest for streamlined hosted app creation for title and URL.

content/browser/manifest/manifest_manager_host.cc

Index: content/browser/manifest/manifest_manager_host.cc
diff --git a/content/browser/manifest/manifest_manager_host.cc b/content/browser/manifest/manifest_manager_host.cc
index 962189fff3d86ec5a1773361f66b3e04dea46381..50b3ecade66ca6ab3dd258dc8785787920962c71 100644
--- a/content/browser/manifest/manifest_manager_host.cc
+++ b/content/browser/manifest/manifest_manager_host.cc
@@ -44,11 +44,14 @@ void ManifestManagerHost::RenderFrameDeleted(
     return;
 
   // Before deleting the callbacks, make sure they are called with a failure
-  // state.
-  CallbackMap::const_iterator it(callbacks);
-  for (; !it.IsAtEnd(); it.Advance())
-    it.GetCurrentValue()->Run(Manifest());
+  // state. Do this in a block so the iterator is destroyed before |callbacks|.
+  {
+    CallbackMap::const_iterator it(callbacks);
+    for (; !it.IsAtEnd(); it.Advance())
+      it.GetCurrentValue()->Run(Manifest());
+  }
 
+  delete callbacks;
   pending_callbacks_.erase(render_frame_host);
 }