Exit tabbed fullscreen mode on navigation.

chrome/browser/ui/browser_browsertest.cc

Index: chrome/browser/ui/browser_browsertest.cc
diff --git a/chrome/browser/ui/browser_browsertest.cc b/chrome/browser/ui/browser_browsertest.cc
index d1933a4b841624e5e5f0d55b42c811f5f650d271..c98ef1586022cd2428b4634f7344f71cebd5af02 100644
--- a/chrome/browser/ui/browser_browsertest.cc
+++ b/chrome/browser/ui/browser_browsertest.cc
@@ -827,6 +827,22 @@ IN_PROC_BROWSER_TEST_F(BrowserTest, TestTabExitsItselfFromFullscreen) {
   ASSERT_FALSE(browser()->window()->IsFullscreen());
 }
 
+IN_PROC_BROWSER_TEST_F(BrowserTest, TestTabExitsFullscreenOnNavigation) {
+  ASSERT_TRUE(test_server()->Start());
+
+  ui_test_utils::NavigateToURL(browser(), GURL("about:blank"));
+  ui_test_utils::NavigateToURL(browser(), GURL("chrome://newtab"));
+
+  TabContents* fullscreen_tab = browser()->GetSelectedTabContents();
+
+  browser()->ToggleFullscreenModeForTab(fullscreen_tab, true);
+  ui_test_utils::WaitForNotification(chrome::NOTIFICATION_FULLSCREEN_CHANGED);
+  ASSERT_TRUE(browser()->window()->IsFullscreen());
+  browser()->GoBack(CURRENT_TAB);
+  ui_test_utils::WaitForNotification(chrome::NOTIFICATION_FULLSCREEN_CHANGED);
+  ASSERT_FALSE(browser()->window()->IsFullscreen());
+}
+
 #if defined(OS_MACOSX)
 IN_PROC_BROWSER_TEST_F(BrowserTest, TabEntersPresentationModeFromWindowed) {
   ASSERT_TRUE(test_server()->Start());