Oilpan: adjust encrypted-media expectations following r192054.

LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-reference.html

Index: LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-reference.html
diff --git a/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-reference.html b/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-reference.html
index 04145ca3a9523f3e140dd50e08dca82f497d54c8..ed29749c2fe65e811b74b92687f6a8f8ba0d313e 100644
--- a/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-reference.html
+++ b/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-reference.html
@@ -44,10 +44,11 @@
 
                     // Verify MediaKeys are not an ActiveDOMObject.
                     // In non-Oilpan, numActiveDOMObjectsCreate() == 0.
-                    // In Oilpan, numActiveDOMObjetsCreated() <= 2.
+                    // In Oilpan, numActiveDOMObjetsCreated() <= 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()');
 
                     // Create 3 sessions.
                     mediaKeySession1 = mediaKeys.createSession();
@@ -56,37 +57,37 @@
                     assert_true(mediaKeySession1.sessionId && mediaKeySession1.sessionId.length > 0);
                     // Should be 1 MediaKeySession.
                     // In non-Oilpan, numActiveDOMObjectsCreate() == 1.
-                    // In Oilpan, numActiveDOMObjectsCreated() <= 4.
+                    // In Oilpan, numActiveDOMObjectsCreated() <= 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)');
                     mediaKeySession2 = mediaKeys.createSession();
                     return mediaKeySession2.generateRequest(initDataType, initData);
                 }).then(function() {
                     assert_true(mediaKeySession2.sessionId && mediaKeySession2.sessionId.length > 0);
                     // Should be 2 MediaKeySessions.
                     // In non-Oilpan, numActiveDOMObjectsCreate() == 2.
-                    // In Oilpan, numActiveDOMObjectsCreate() <= 6.
+                    // In Oilpan, numActiveDOMObjectsCreate() <= 7.
                     // (1 MediaKeysInitializer,
-                    //  1 MediaKeySystemAccessInitializer,
+                    //  2 MediaKeySystemAccessInitializers,
                     //  2 ContentDecryptionModuleResultPromise and
                     //  2 MediaKeySession).
-                    assert_less_than_equal(numActiveDOMObjectsCreated(), 6, 'mediaKeys.createSession(2)');
+                    assert_less_than_equal(numActiveDOMObjectsCreated(), 7, 'mediaKeys.createSession(2)');
                     mediaKeySession3 = mediaKeys.createSession();
                     return mediaKeySession3.generateRequest(initDataType, initData);
                 }).then(function() {
                     assert_true(mediaKeySession3.sessionId && mediaKeySession3.sessionId.length > 0);
                     // Should be 3 MediaKeySessions.
                     // In non-Oilpan, numActiveDOMObjectsCreate() == 3.
-                    // In Oilpan, numActiveDOMObjectsCreate() <= 8.
+                    // In Oilpan, numActiveDOMObjectsCreate() <= 9.
                     // (1 MediaKeysInitializer,
-                    //  1 MediaKeySystemAccessInitializer,
+                    //  2 MediaKeySystemAccessInitializers,
                     //  3 ContentDecryptionModuleResultPromise and
                     //  3 MediaKeySession).
-                    // numActiveDOMObjectsCreated() <= 8 (ditto)
-                    assert_less_than_equal(numActiveDOMObjectsCreated(), 8, 'mediaKeys.createSession(3)');
+                    // numActiveDOMObjectsCreated() <= 9 (ditto)
+                    assert_less_than_equal(numActiveDOMObjectsCreated(), 9, 'mediaKeys.createSession(3)');
 
                     // Run gc(). All sessions should remain as we have a
                     // reference to each one. However, running gc()