Convert MediaKeyStatusMap to iterable<BufferSource,MediaKeyStatus>

third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-utils.js

 var consoleDiv = null;
 
 function consoleWrite(text)
 {
     if (!consoleDiv && document.body) {
         consoleDiv = document.createElement('div');
         document.body.appendChild(consoleDiv);
     }
     var span = document.createElement('span');
     span.appendChild(document.createTextNode(text));
@@ skipping 112 matching lines @@
     // so convert it into a printable string.
     return String.fromCharCode.apply(null, new Uint8Array(buffer));
 }
 
 function dumpKeyStatuses(keyStatuses)
 {
     consoleWrite("for (var entry of keyStatuses)");
     for (var entry of keyStatuses) {
         consoleWrite(arrayBufferAsString(entry[0]) + ", " + entry[1]);
     }
-    consoleWrite("for (var key of keyStatuses.keys())");
-    for (var key of keyStatuses.keys()) {
-        consoleWrite(arrayBufferAsString(key));
+    consoleWrite("for (var keyId of keyStatuses.keys())");
+    for (var keyId of keyStatuses.keys()) {
+        consoleWrite(arrayBufferAsString(keyId));
     }
-    consoleWrite("for (var value of keyStatuses.values())");
-    for (var value of keyStatuses.values()) {
-        consoleWrite(value);
+    consoleWrite("for (var status of keyStatuses.values())");
+    for (var status of keyStatuses.values()) {
+        consoleWrite(status);
     }
     consoleWrite("for (var entry of keyStatuses.entries())");
     for (var entry of keyStatuses.entries()) {
         consoleWrite(arrayBufferAsString(entry[0]) + ", " + entry[1]);
     }
     consoleWrite("keyStatuses.forEach()");
-    keyStatuses.forEach(function(value, key, map) {
-        consoleWrite(arrayBufferAsString(key) + ", " + value);
+    keyStatuses.forEach(function(status, keyId) {
+        consoleWrite(arrayBufferAsString(keyId) + ", " + status);

[ddorwin, 2016/06/14 20:56:05]

nit: A ':' will probably make more sense to a reader

[jrummell, 2016/06/14 22:24:21]

Done.

     });
 }
 
 // Verify that |keyStatuses| contains just the keys in |keys.expected|
 // and none of the keys in |keys.unexpected|. All keys should have status
 // 'usable'. Example call: verifyKeyStatuses(mediaKeySession.keyStatuses,
 // { expected: [key1], unexpected: [key2] });
 function verifyKeyStatuses(keyStatuses, keys)
 {
     var expected = keys.expected || [];
@@ skipping 131 matching lines @@
     video.play();
     return new Promise(function(resolve) {
         video.addEventListener('timeupdate', function listener(event) {
             if (event.target.currentTime < duration)
                 return;
             video.removeEventListener('timeupdate', listener);
             resolve('success');
         });
     });
 }