Oilpan: adjust encrypted-media expectations following r192054.

LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys-with-session.html

Index: LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys-with-session.html
diff --git a/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys-with-session.html b/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys-with-session.html
index 1fd8d2eee4b770e7a74e8e5b33030bc04d581fcb..0f1fdcc114ff3f5e0dca75ea4024c8a3b1f6edf7 100644
--- a/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys-with-session.html
+++ b/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys-with-session.html
@@ -49,22 +49,23 @@
 
                     // Verify MediaKeys are not an ActiveDOMObject.
                     // In non-Oilpan, numActiveDOMObjectsCreate() == 0.
-                    // In Oilpan, numActiveDOMObjectsCreate() <= 2.
+                    // In Oilpan, numActiveDOMObjectsCreate() <= 3.
                     // (1 MediaKeysInitializer and
-                    //  1 MediaKeySystemAccessInitializer).
-                    assert_less_than_equal(numActiveDOMObjectsCreated(), 2, 'MediaKeys.create()');
+                    //  1 MediaKeySystemAccessInitializer (navigator.requestMediaKeySystemAccess() use above),
+                    //  1 MediaKeySystemAccessInitializer (isInitDataSupported() (via getSupportedInitDataType())))
+                    assert_less_than_equal(numActiveDOMObjectsCreated(), 3, 'MediaKeys.create()');
 
                     var mediaKeySession = mediaKeys.createSession();
                     return mediaKeySession.generateRequest(initDataType, initData);
                 }).then(function() {
                     // 1 MediaKeySession.
                     // In non-Oilpan, numActiveDOMObjectsCreate() == 1.
-                    // In Oilpan, numActiveDOMObjectsCreate() <= 4.
+                    // In Oilpan, numActiveDOMObjectsCreate() <= 5.
                     // (1 MediaKeysInitializer,
-                    //  1 MediaKeySystemAccessInitializer,
+                    //  2 MediaKeySystemAccessInitializers,
                     //  1 ContentDecryptionModuleResultPromise and
                     //  1 MediaKeySession).
-                    assert_less_than_equal(numActiveDOMObjectsCreated(), 4, 'MediaKeys.createSession(1)');
+                    assert_less_than_equal(numActiveDOMObjectsCreated(), 5, 'MediaKeys.createSession(1)');
 
                     // Run gc(), should not affect MediaKeys object nor the
                     // session since we still have a reference to it.