Enable TabCaptureApiTests.GrantForChromePages on windows.

chrome/browser/extensions/api/tab_capture/tab_capture_apitest.cc

 // Copyright (c) 2012 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 "base/basictypes.h"
 #include "base/command_line.h"
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif
 #include "base/strings/stringprintf.h"
@@ skipping 238 matching lines @@
   EXPECT_TRUE(fullscreen_entered.WaitUntilSatisfied());
   browser()->fullscreen_controller()->ToggleFullscreenModeForTab(web_contents,
                                                                  false);
   fullscreen_entered.Reply("");
 
   ResultCatcher catcher;
   catcher.RestrictToProfile(browser()->profile());
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
-// Times out on Win dbg bots: http://crbug.com/177163
-// #if defined(OS_WIN) && !defined(NDEBUG)
-// Times out on all Win bots: http://crbug.com/294431
-#if defined(OS_WIN)
-#define MAYBE_GrantForChromePages DISABLED_GrantForChromePages
-#else
-#define MAYBE_GrantForChromePages GrantForChromePages
-#endif
 // Make sure tabCapture API can be granted for Chrome:// pages.
-IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, MAYBE_GrantForChromePages) {
+IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, GrantForChromePages) {
   ExtensionTestMessageListener before_open_tab("ready1", true);
   ASSERT_TRUE(RunExtensionSubtest("tab_capture/experimental",
                                   "active_tab_chrome_pages.html")) << message_;
   EXPECT_TRUE(before_open_tab.WaitUntilSatisfied());
 
   // Open a tab on a chrome:// page and make sure we can capture.
   content::OpenURLParams params(GURL("chrome://version"), content::Referrer(),
                                 NEW_FOREGROUND_TAB,
                                 content::PAGE_TRANSITION_LINK, false);
   content::WebContents* web_contents = browser()->OpenURL(params);
@@ skipping 27 matching lines @@
 #if defined(OS_WIN) && !defined(NDEBUG)
 #define MAYBE_Constraints DISABLED_Constraints
 #else
 #define MAYBE_Constraints Constraints
 #endif
 IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, MAYBE_Constraints) {
   AddExtensionToCommandLineWhitelist();
   ASSERT_TRUE(RunExtensionSubtest("tab_capture/experimental",
                                   "constraints.html")) << message_;
 }