Allow showing pending URL for new tab navigations, but only if safe.

chrome/browser/external_extension_browsertest.cc

Index: chrome/browser/external_extension_browsertest.cc
diff --git a/chrome/browser/external_extension_browsertest.cc b/chrome/browser/external_extension_browsertest.cc
index a72421315dc97ec183ff68065bd96f719da48f31..3fdc0abd29ef84471521b030622a9b1c367d1e7c 100644
--- a/chrome/browser/external_extension_browsertest.cc
+++ b/chrome/browser/external_extension_browsertest.cc
@@ -58,7 +58,7 @@ class SearchProviderTest : public InProcessBrowserTest {
         search_provider_test_url_.path() + "#" + expected_result);
     ui_test_utils::NavigateToURLWithDisposition(
         browser, test_url, NEW_FOREGROUND_TAB,
-        ui_test_utils::BROWSER_TEST_WAIT_FOR_TAB);
+        ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 
     // Bundle up information needed to verify the result.
     content::WebContents* tab =