Disable WebViewTest.Shim_TestDeclarativeWebRequestAPISendMessage on Mac.

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 1343 matching lines @@
              "web_view/shim",
              NO_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_P(WebViewTest, Shim_TestDeclarativeWebRequestAPI) {
   TestHelper("testDeclarativeWebRequestAPI",
              "web_view/shim",
              NEEDS_TEST_SERVER);
 }
 
+// Very flaky on Mac: http://crbug.com/614377
+#ifdef OS_MAC
+#define MAYBE_Shim_TestDeclarativeWebRequestAPISendMessage DISABLED_Shim_TestDeclarativeWebRequestAPISendMessage
+#else
+#define MAYBE_Shim_TestDeclarativeWebRequestAPISendMessage Shim_TestDeclarativeWebRequestAPISendMessage
+#endif
 IN_PROC_BROWSER_TEST_P(WebViewTest,
                        Shim_TestDeclarativeWebRequestAPISendMessage) {
   TestHelper("testDeclarativeWebRequestAPISendMessage",
              "web_view/shim",
              NEEDS_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_P(WebViewTest, Shim_TestWebRequestAPI) {
   TestHelper("testWebRequestAPI", "web_view/shim", NEEDS_TEST_SERVER);
 }
@@ skipping 2056 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