Fix and enable ExtensionApiTest.ExtensionFullscreenAccessPass (no mac).

chrome/browser/extensions/extension_fullscreen_apitest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/ui/browser_window.h"
 
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest,
                        ExtensionFullscreenAccessFail) {
-  // Test that fullscreen can be accessed from an extension without permission.
+  // Test that fullscreen cannot be accessed from an extension without
+  // permission.
   ASSERT_TRUE(RunPlatformAppTest("fullscreen/no_permission")) << message_;
 }
 
-// Disabled, a user gesture is required for fullscreen. http://crbug.com/174178
-IN_PROC_BROWSER_TEST_F(ExtensionApiTest,
-                       DISABLED_ExtensionFullscreenAccessPass) {
+#if defined(OS_MACOSX)
+// Fails on MAC: http://crbug.com/480370
+#define MAYBE_ExtensionFullscreenAccessPass \
+    DISABLED_ExtensionFullscreenAccessPass
+#else
+#define MAYBE_ExtensionFullscreenAccessPass ExtensionFullscreenAccessPass
+#endif  // defined(OS_MACOSX)
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_ExtensionFullscreenAccessPass) {
   // Test that fullscreen can be accessed from an extension with permission.
   ASSERT_TRUE(RunPlatformAppTest("fullscreen/has_permission")) << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest,
                        FocusWindowDoesNotExitFullscreen) {
   browser()->window()->EnterFullscreen(
       GURL(), EXCLUSIVE_ACCESS_BUBBLE_TYPE_BROWSER_FULLSCREEN_EXIT_INSTRUCTION,
       false);
   bool is_fullscreen = browser()->window()->IsFullscreen();
@@ skipping 15 matching lines @@
 // Fails on MAC: http://crbug.com/480370
 #define MAYBE_DisplayModeWindowIsInFullscreen DISABLED_DisplayModeWindowIsInFullscreen
 #else
 #define MAYBE_DisplayModeWindowIsInFullscreen DisplayModeWindowIsInFullscreen
 #endif  // defined(OS_MACOSX)
 
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest,
                        MAYBE_DisplayModeWindowIsInFullscreen) {
   ASSERT_TRUE(RunPlatformAppTest("fullscreen/mq_display_mode")) << message_;
 }