Disable failing tests on Mac 10.10 and 10.11 after swarming.

chrome/browser/ui/cocoa/sprite_view_unittest.mm

Index: chrome/browser/ui/cocoa/sprite_view_unittest.mm
diff --git a/chrome/browser/ui/cocoa/sprite_view_unittest.mm b/chrome/browser/ui/cocoa/sprite_view_unittest.mm
index b0566f5c6bd58004f4749a74b9055e265019b968..8f183d16db23bd4f4cd342f26133cc6b86c01196 100644
--- a/chrome/browser/ui/cocoa/sprite_view_unittest.mm
+++ b/chrome/browser/ui/cocoa/sprite_view_unittest.mm
@@ -4,6 +4,7 @@
 
 #import <Cocoa/Cocoa.h>
 
+#include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsobject.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/sprite_view.h"
@@ -56,6 +57,8 @@ TEST_F(SpriteViewTest, TestViewFrame) {
 }
 
 TEST_F(SpriteViewTest, StopAnimationOnMiniaturize) {
+  if (base::mac::IsOS10_10())
+    return;  // Fails when swarmed. http://crbug.com/660582
   EXPECT_TRUE([view_ isAnimating]);
 
   [test_window() miniaturize:nil];