Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

core/html/HTMLMediaElement.idl

Index: core/html/HTMLMediaElement.idl
diff --git a/core/html/HTMLMediaElement.idl b/core/html/HTMLMediaElement.idl
index 0ced5dc08131f250cda4f0231deb99e6b44de111..80899b4169a8da4eb15fde2c0d3570753329f0ca 100644
--- a/core/html/HTMLMediaElement.idl
+++ b/core/html/HTMLMediaElement.idl
@@ -27,7 +27,7 @@
 
 enum CanPlayTypeResult { "" /* empty string */, "maybe", "probably" };
 [
-    ActiveDOMObject,
+    DependentLifetime,
     RuntimeEnabled=Media,
 ] interface HTMLMediaElement : HTMLElement {
 
@@ -55,11 +55,11 @@ enum CanPlayTypeResult { "" /* empty string */, "maybe", "probably" };
     const unsigned short HAVE_CURRENT_DATA = 2;
     const unsigned short HAVE_FUTURE_DATA = 3;
     const unsigned short HAVE_ENOUGH_DATA = 4;
-    readonly attribute unsigned short readyState;
+    [ImplementedAs=getReadyState] readonly attribute unsigned short readyState;
     readonly attribute boolean seeking;
 
     // playback state
-    [RaisesException=Setter] attribute double currentTime;
+    attribute double currentTime;
     // FIXME: void fastSeek(double time);
     readonly attribute unrestricted double duration;
     // FIXME: Date getStartDate(); crbug.com/312699
@@ -71,13 +71,9 @@ enum CanPlayTypeResult { "" /* empty string */, "maybe", "probably" };
     readonly attribute boolean ended;
     [Reflect] attribute boolean autoplay;
     [Reflect] attribute boolean loop;
-    void play();
+    [CallWith=ScriptState, ImplementedAs=playForBindings] Promise<void> play();
     void pause();
 
-    // media controller
-    [RuntimeEnabled=MediaController, Reflect] attribute DOMString mediaGroup;
-    [RuntimeEnabled=MediaController, TypeChecking=Interface] attribute MediaController? controller;
-
     // controls
     [Reflect] attribute boolean controls;
     [RaisesException=Setter] attribute double volume;
@@ -91,7 +87,6 @@ enum CanPlayTypeResult { "" /* empty string */, "maybe", "probably" };
     [RaisesException] TextTrack addTextTrack(TextTrackKind kind, optional DOMString label = "", optional DOMString language = "");
 
     // Non-standard APIs
-    [RuntimeEnabled=PrefixedEncryptedMedia, DeprecateAs=CanPlayTypeKeySystem] DOMString canPlayType(DOMString type, [TreatUndefinedAs=NullString] DOMString? keySystem);
     // The number of bytes consumed by the media decoder.
     [MeasureAs=PrefixedAudioDecodedByteCount] readonly attribute unsigned long webkitAudioDecodedByteCount;
     [MeasureAs=PrefixedVideoDecodedByteCount] readonly attribute unsigned long webkitVideoDecodedByteCount;