Revert of Disable (temporarily) WebView Browsertests on Mac build bots.

chrome/browser/apps/guest_view/web_view_browsertest.cc

 // Copyright 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 <queue>
 #include <set>
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/files/file_util.h"
@@ skipping 80 matching lines @@
 #include "content/public/common/webplugininfo.h"
 #include "content/public/test/ppapi_test_utils.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "ash/common/accessibility_types.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/accessibility/speech_monitor.h"
 #endif
 
-// Turn these tests off on Mac while we collect data on windows server crashes
-// on mac chromium builders. https://crbug.com/653353
-#if !defined(OS_MACOSX)
-
 using extensions::ContextMenuMatcher;
 using extensions::ExtensionsAPIClient;
 using extensions::MenuItem;
 using guest_view::GuestViewManager;
 using guest_view::TestGuestViewManager;
 using guest_view::TestGuestViewManagerFactory;
 using prerender::PrerenderLinkManager;
 using prerender::PrerenderLinkManagerFactory;
 using task_manager::browsertest_util::MatchAboutBlankTab;
 using task_manager::browsertest_util::MatchAnyApp;
@@ skipping 3729 matching lines @@
   gfx::Point embedder_origin =
       GetEmbedderWebContents()->GetContainerBounds().origin();
   guest_rect.Offset(-embedder_origin.x(), -embedder_origin.y());
 
   // Generate and send synthetic touch event.
   content::SimulateTouchPressAt(GetEmbedderWebContents(),
                                 guest_rect.CenterPoint());
   EXPECT_TRUE(aura_webview->HasFocus());
 }
 #endif
-
-#endif  // !defined(OS_MACOSX)