Disable failing tests on Mac 10.10 and 10.11 after swarming.

chrome/browser/ui/cocoa/apps/native_app_window_cocoa_browsertest.mm

 // 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 "extensions/browser/app_window/native_app_window.h"
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/foundation_util.h"
 #import "base/mac/mac_util.h"
@@ skipping 258 matching lines @@
   [waiter waitForEnterCount:2 exitCount:2];
   EXPECT_EQ(AppWindow::FULLSCREEN_TYPE_NONE,
             app_window->fullscreen_types_for_test());
   EXPECT_FALSE(window->IsFullscreen());
   EXPECT_FALSE([ns_window styleMask] & NSFullScreenWindowMask);
   EXPECT_TRUE(gfx::IsNSWindowAlwaysOnTop(ns_window));
 }
 
 // Test Minimize, Restore combinations with their native equivalents.
 IN_PROC_BROWSER_TEST_P(NativeAppWindowCocoaBrowserTest, Minimize) {
+  if (base::mac::IsOS10_10())
+    return;  // Fails when swarmed. http://crbug.com/660582
   SetUpAppWithWindows(1);
   AppWindow* app_window = GetFirstAppWindow();
   extensions::NativeAppWindow* window = app_window->GetBaseWindow();
   NSWindow* ns_window = app_window->GetNativeWindow();
 
   NSRect initial_frame = [ns_window frame];
 
   EXPECT_FALSE(window->IsMinimized());
   EXPECT_FALSE([ns_window isMiniaturized]);
 
@@ skipping 105 matching lines @@
                    object:ns_window]);
   app_window->Restore();
   [watcher wait];
   EXPECT_EQ(initial_restored_bounds, window->GetRestoredBounds());
   EXPECT_NSEQ(initial_frame, [ns_window frame]);
   EXPECT_FALSE(window->IsMaximized());
 }
 
 // Test Minimize, Maximize, Restore combinations with their native equivalents.
 IN_PROC_BROWSER_TEST_P(NativeAppWindowCocoaBrowserTest, MinimizeMaximize) {
+  if (base::mac::IsOS10_10())
+    return;  // Fails when swarmed. http://crbug.com/660582
   SetUpAppWithWindows(1);
   AppWindow* app_window = GetFirstAppWindow();
   extensions::NativeAppWindow* window = app_window->GetBaseWindow();
   NSWindow* ns_window = app_window->GetNativeWindow();
   base::scoped_nsobject<WindowedNSNotificationObserver> watcher;
 
   NSRect initial_frame = [ns_window frame];
   NSRect maximized_frame = [[ns_window screen] visibleFrame];
 
   EXPECT_FALSE(window->IsMaximized());
@@ skipping 276 matching lines @@
   [expected_color getComponents:expected_components];
   [color getComponents:color_components];
   EXPECT_NEAR(expected_components[0], color_components[0], 0.01);
   EXPECT_NEAR(expected_components[1], color_components[1], 0.01);
   EXPECT_NEAR(expected_components[2], color_components[2], 0.01);
 }
 
 INSTANTIATE_TEST_CASE_P(NativeAppWindowCocoaBrowserTestInstance,
                         NativeAppWindowCocoaBrowserTest,
                         ::testing::Bool());