Disable failing tests on Mac 10.10 and 10.11 after swarming.

chrome/browser/ui/cocoa/applescript/window_applescript_test.mm

Index: chrome/browser/ui/cocoa/applescript/window_applescript_test.mm
diff --git a/chrome/browser/ui/cocoa/applescript/window_applescript_test.mm b/chrome/browser/ui/cocoa/applescript/window_applescript_test.mm
index abc9348483c6c31c1c2701917185784b89aaea09..fc93fcc6b274486f5f1f10e8474a9953c746952d 100644
--- a/chrome/browser/ui/cocoa/applescript/window_applescript_test.mm
+++ b/chrome/browser/ui/cocoa/applescript/window_applescript_test.mm
@@ -5,6 +5,7 @@
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/foundation_util.h"
+#include "base/mac/mac_util.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #import "chrome/browser/app_controller_mac.h"
@@ -147,6 +148,8 @@ IN_PROC_BROWSER_TEST_F(WindowAppleScriptTest, InsertAndDeleteTabs) {
 
 // Getting and setting values from the NSWindow.
 IN_PROC_BROWSER_TEST_F(WindowAppleScriptTest, NSWindowTest) {
+  if (base::mac::IsOS10_10())
+    return;  // Fails when swarmed. http://crbug.com/660582
   base::scoped_nsobject<WindowAppleScript> aWindow(
       [[WindowAppleScript alloc] initWithBrowser:browser()]);
   [aWindow.get() setValue:[NSNumber numberWithBool:YES]