Also disable ExtensionApiTest.ProcessesVsTaskManager on win aura since it's failing often.

chrome/browser/extensions/api/processes/processes_apitest.cc

Index: chrome/browser/extensions/api/processes/processes_apitest.cc
===================================================================
--- chrome/browser/extensions/api/processes/processes_apitest.cc	(revision 170550)
+++ chrome/browser/extensions/api/processes/processes_apitest.cc	(working copy)
@@ -25,6 +25,9 @@
   ASSERT_TRUE(RunExtensionTest("processes/api")) << message_;
 }
 
+// http://crbug.com/31663
+#if !(defined(OS_WIN) && defined(USE_AURA))
+
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, ProcessesVsTaskManager) {
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableExperimentalExtensionApis);
@@ -54,3 +57,5 @@
   UnloadExtension(last_loaded_extension_id_);
   EXPECT_EQ(1, model->update_requests_);
 }
+
+#endif