Fix up various browser tests not to use WaitForNavigation.

chrome/test/plugin/pdf_browsertest.cc

Index: chrome/test/plugin/pdf_browsertest.cc
diff --git a/chrome/test/plugin/pdf_browsertest.cc b/chrome/test/plugin/pdf_browsertest.cc
index e8c37ecee12f4817baa5f758bae2dfa6849327a8..2cbccb1e84357788009f78a86223ef32c9163504 100644
--- a/chrome/test/plugin/pdf_browsertest.cc
+++ b/chrome/test/plugin/pdf_browsertest.cc
@@ -336,12 +336,13 @@ IN_PROC_BROWSER_TEST_F(PDFBrowserTest, MAYBE_OnLoadAndReload) {
   GURL url = pdf_test_server()->GetURL("files/onload_reload.html");
   ui_test_utils::NavigateToURL(browser(), url);
 
+  ui_test_utils::WindowedNavigationObserver observer(*browser());
   ASSERT_TRUE(ui_test_utils::ExecuteJavaScript(
       browser()->GetSelectedTabContents()->render_view_host(),
       std::wstring(),
       L"reloadPDF();"));
+  observer.Wait();
 
-  ASSERT_TRUE(ui_test_utils::WaitForNavigationInCurrentTab(browser()));
   ASSERT_EQ("success", browser()->GetSelectedTabContents()->GetURL().query());
 }