When a pending contents is created but deleted before it is shown, remove it from the list of pendi…

content/test/test_web_contents.cc

Index: content/test/test_web_contents.cc
diff --git a/content/test/test_web_contents.cc b/content/test/test_web_contents.cc
index 3a79e9eedd2bb7c2335bbbf5515d0c7d71b95107..678aa1fe74c090b29404f1ced9d92bdde13a25ca 100644
--- a/content/test/test_web_contents.cc
+++ b/content/test/test_web_contents.cc
@@ -174,6 +174,13 @@ void TestWebContents::SetOpener(TestWebContents* opener) {
                  Source<WebContents>(opener_));
 }
 
+void TestWebContents::AddPendingContents(TestWebContents* contents) {
+  // This is normally only done in WebContentsImpl::CreateNewWindow.
+  pending_contents_[contents->GetRenderViewHost()->GetRoutingID()] = contents;
+  registrar_.Add(this, NOTIFICATION_WEB_CONTENTS_DESTROYED,
+                 Source<WebContents>(contents));
+}
+
 void TestWebContents::ExpectSetHistoryLengthAndPrune(
     const SiteInstance* site_instance,
     int history_length,