Disable failing tests on Mac 10.10 and 10.11 after swarming.

chrome/test/ppapi/ppapi_browsertest.cc

Index: chrome/test/ppapi/ppapi_browsertest.cc
diff --git a/chrome/test/ppapi/ppapi_browsertest.cc b/chrome/test/ppapi/ppapi_browsertest.cc
index 7c2b969f1a719649236c774e560d922081664c47..367ecb0a3e8ac0ad436a371ec322ef0b5f6f53ee 100644
--- a/chrome/test/ppapi/ppapi_browsertest.cc
+++ b/chrome/test/ppapi/ppapi_browsertest.cc
@@ -32,6 +32,10 @@
 #include "extensions/test/extension_test_message_listener.h"
 #include "ppapi/shared_impl/test_utils.h"
 
+#if defined(OS_MACOSX)
+#include "base/mac/mac_util.h"
+#endif
+
 using content::RenderViewHost;
 
 // This macro finesses macro expansion to do what we want.
@@ -1305,6 +1309,10 @@ IN_PROC_BROWSER_TEST_F(NewlibPackagedAppTest,
 #define MAYBE_SuccessfulLoad MAYBE_PNACL_NONSFI(SuccessfulLoad)
 #endif
 IN_PROC_BROWSER_TEST_F(NonSfiPackagedAppTest, MAYBE_SuccessfulLoad) {
+#if defined(OS_MACOSX)
+  if (base::mac::IsOS10_10() || base::mac::IsOS10_11())
+    return;  // Fails when swarmed. http://crbug.com/660582
+#endif
   RunTests("packaged_app");
 }