Fullscreen JS API implementation.

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 ff69a6624b5fd60fad8843e3b7a80d97341b58e1..8744b82def2ac9e320dbd6235dfd14554b8dcc29 100644
--- a/chrome/browser/ui/browser_browsertest.cc
+++ b/chrome/browser/ui/browser_browsertest.cc
@@ -635,6 +635,20 @@ IN_PROC_BROWSER_TEST_F(BrowserTest, MAYBE_PageLanguageDetection) {
   EXPECT_EQ("fr", helper->language_state().original_language());
 }
 
+IN_PROC_BROWSER_TEST_F(BrowserTest, TestToggleFullscreenModeForTab) {
+  ASSERT_TRUE(test_server()->Start());
+
+  AddTabAtIndex(0, GURL(test_server()->GetURL("files/fullscreen_test.html")),
+                PageTransition::TYPED);
+
+  TabContents* fullscreen_tab = browser()->GetSelectedTabContents();
+
+  browser()->ToggleFullscreenModeForTab(fullscreen_tab, true);
+  ASSERT_TRUE(browser()->window()->IsFullscreen());
+  AddTabAtIndex(1, GURL("about:blank"), PageTransition::TYPED);
+  ASSERT_FALSE(browser()->window()->IsFullscreen());
+}
+
 // Chromeos defaults to restoring the last session, so this test isn't
 // applicable.
 #if !defined(OS_CHROMEOS)