Defer loading of audio/video tags while prerendering.

chrome/browser/prerender/prerender_browsertest.cc

Index: chrome/browser/prerender/prerender_browsertest.cc
diff --git a/chrome/browser/prerender/prerender_browsertest.cc b/chrome/browser/prerender/prerender_browsertest.cc
index 96c9f7772fa9e5c291e8ba0ce6b1aeeadf236aa2..10140a6fb987d4d193c6f1eabbf9d623ae582793 100644
--- a/chrome/browser/prerender/prerender_browsertest.cc
+++ b/chrome/browser/prerender/prerender_browsertest.cc
@@ -1236,26 +1236,29 @@ IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderTaskManager) {
   EXPECT_LE(num_tabs_with_prerender_page_title, 2);
 }
 
-// Checks that prerenderers will terminate when an audio tag is encountered.
+// Checks that prerenderers will work when an audio tag is encountered.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderHTML5Audio) {
   PrerenderTestURL("files/prerender/prerender_html5_audio.html",
-                   FINAL_STATUS_HTML5_MEDIA,
+                   FINAL_STATUS_USED,
                    1);
+  NavigateToDestURL();
 }
 
-// Checks that prerenderers will terminate when a video tag is encountered.
+// Checks that prerenderers will work when a video tag is encountered.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderHTML5Video) {
   PrerenderTestURL("files/prerender/prerender_html5_video.html",
-                   FINAL_STATUS_HTML5_MEDIA,
+                   FINAL_STATUS_USED,
                    1);
+  NavigateToDestURL();
 }
 
-// Checks that prerenderers will terminate when a video tag is inserted via
+// Checks that prerenderers will be used  when a video tag is inserted via
 // javascript.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderHTML5VideoJs) {
   PrerenderTestURL("files/prerender/prerender_html5_video_script.html",
-                   FINAL_STATUS_HTML5_MEDIA,
+                   FINAL_STATUS_USED,
                    1);
+  NavigateToDestURL();
 }
 
 // Checks that scripts can retrieve the correct window size while prerendering.