EME: Clear Key CDM now generates keystatuseschange event on close()

third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-keystatuses.html

Index: third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-keystatuses.html
diff --git a/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-keystatuses.html b/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-keystatuses.html
index 3654f8c273b373c8a186a655646ba69ce48d7a07..91922bbe08e32e4de75a9b2f1f6b5383214fbad8 100644
--- a/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-keystatuses.html
+++ b/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-keystatuses.html
@@ -14,6 +14,7 @@
                 var mediaKeySession;
                 var initDataType;
                 var initData;
+                var closed = false;
 
                 // Even though key ids are uint8, using printable values so that
                 // they can be verified easily.
@@ -39,7 +40,7 @@
                     });
                 }
 
-                function processKeyStatusesChange(event)
+                function checkKeyStatusFor2Keys()
                 {
                     // Two keys added, so both should show up in |keyStatuses|.
                     assert_equals(mediaKeySession.keyStatuses.size, 2);
@@ -124,8 +125,28 @@
                     invalid6.set(key1, 0);  // Last element will be 0.
                     assert_false(mediaKeySession.keyStatuses.has(invalid6));
                     assert_equals(mediaKeySession.keyStatuses.get(invalid6), undefined);
+                }
 
-                    test.done();
+                function processKeyStatusesChange(event)
+                {
+                    if ( !closed )
+                    {
+                        // The first keystatuseschange (caused by update())
+                        // should include both keys.
+                        checkKeyStatusFor2Keys();
+
+                        mediaKeySession.close().catch(function(error) {
+                            forceTestFailureFromPromise(test, error);
+                        });
+                        closed = true;
+                    }
+                    else
+                    {
+                        // The second keystatuseschange (caused by close())
+                        // should not have any keys.
+                        assert_equals(mediaKeySession.keyStatuses.size, 0);
+                        test.done();
+                    }
                 }
 
                 getSupportedInitDataType().then(function(type) {