Disable PluginTest.VerifyNPObjectLifetimeTest and...

Disable PluginTest.VerifyNPObjectLifetimeTest and PluginTest.CreateInstanceInPaint since they're flaking.

BUG=406184
TBR=avi@chromium.org

Review URL: https://codereview.chromium.org/494243003

Cr-Commit-Position: refs/heads/master@{#291267}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@291267 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/plugin_browsertest.cc

@@ -296,7 +296,8 @@ IN_PROC_BROWSER_TEST_F(PluginTest, MAYBE(VerifyPluginWindowRect)) {
 
 // Tests that creating a new instance of a plugin while another one is handling
 // a paint message doesn't cause deadlock.
-IN_PROC_BROWSER_TEST_F(PluginTest, MAYBE(CreateInstanceInPaint)) {
+// http://crbug.com/406184
+IN_PROC_BROWSER_TEST_F(PluginTest, DISABLED_CreateInstanceInPaint) {
   LoadAndWait(GetURL("create_instance_in_paint.html"));
 }
 
@@ -308,7 +309,8 @@ IN_PROC_BROWSER_TEST_F(PluginTest, DISABLED_AlertInWindowMessage) {
   WaitForAppModalDialog(shell());
 }
 
-IN_PROC_BROWSER_TEST_F(PluginTest, MAYBE(VerifyNPObjectLifetimeTest)) {
+// http://crbug.com/406184
+IN_PROC_BROWSER_TEST_F(PluginTest, DISABLED_VerifyNPObjectLifetimeTest) {
   LoadAndWait(GetURL("npobject_lifetime_test.html"));
 }