Revert r163630 "Disable flaky test "AppModeTest.EnableAppModeTest" on windows."

chrome/browser/ui/browser_browsertest.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 <string>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/sys_info.h"
@@ skipping 1682 matching lines @@
  public:
   AppModeTest() {}
 
   virtual void SetUpCommandLine(CommandLine* command_line) {
     GURL url = ui_test_utils::GetTestUrl(
        FilePath(), FilePath().AppendASCII("title1.html"));
     command_line->AppendSwitchASCII(switches::kApp, url.spec());
   }
 };
 
-// Check failed on Win only.  http://crbug.com/163630
-#if defined(OS_WIN)
-#define MAYBE_EnableAppModeTest DISABLED_EnableAppModeTest
-#else
-#define MAYBE_EnableAppModeTest EnableAppModeTest
-#endif
-
-IN_PROC_BROWSER_TEST_F(AppModeTest, MAYBE_EnableAppModeTest) {
+IN_PROC_BROWSER_TEST_F(AppModeTest, EnableAppModeTest) {
   // Test that an application browser window loads correctly.
 
   // Verify the browser is in application mode.
   EXPECT_TRUE(browser()->is_app());
 }
 
 // Confirm about:version contains some expected content.
 IN_PROC_BROWSER_TEST_F(BrowserTest, AboutVersion) {
   ui_test_utils::NavigateToURL(browser(), GURL(chrome::kAboutVersionURL));
   WebContents* tab = chrome::GetActiveWebContents(browser());
@@ skipping 219 matching lines @@
   RunTest(browser(), GetHrefURL(), modifiers, button, disposition);
 }
 
 // Shift-middle-clicks open in a foreground tab.
 IN_PROC_BROWSER_TEST_F(ClickModifierTest, HrefShiftMiddleClickTest) {
   int modifiers = WebKit::WebInputEvent::ShiftKey;
   WebKit::WebMouseEvent::Button button = WebKit::WebMouseEvent::ButtonMiddle;
   WindowOpenDisposition disposition = NEW_FOREGROUND_TAB;
   RunTest(browser(), GetHrefURL(), modifiers, button, disposition);
 }