Web Animations API: Add runtime flag for minimal element.animate feature

Source/core/animation/AnimationPlayer.idl

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 11 matching lines @@
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 [
-    RuntimeEnabled=WebAnimationsAPI,
+    RuntimeEnabled=WebAnimationsElementAnimate,
+    NoInterfaceObject,

[eseidel, 2014/04/15 05:40:43]

Was NoInterfaceObject intentional?

 ] interface AnimationPlayer : EventTarget {
-             attribute TimedItem? source;
-             attribute double     startTime;
-             attribute double     currentTime;
-    readonly attribute double     timeLag;
-             attribute double     playbackRate;
-    readonly attribute boolean    paused;
-    readonly attribute boolean    finished;
+    [RuntimeEnabled=WebAnimationsAPI]          attribute TimedItem? source;
+    [RuntimeEnabled=WebAnimationsAPI]          attribute double     startTime;
+    [RuntimeEnabled=WebAnimationsAPI]          attribute double     currentTime;
+    [RuntimeEnabled=WebAnimationsAPI] readonly attribute double     timeLag;
+    [RuntimeEnabled=WebAnimationsAPI]          attribute double     playbackRate;
+    [RuntimeEnabled=WebAnimationsAPI] readonly attribute boolean    paused;
+    [RuntimeEnabled=WebAnimationsAPI] readonly attribute boolean    finished;
+    [RuntimeEnabled=WebAnimationsAPI, RaisesException] void finish();
+    [RuntimeEnabled=WebAnimationsAPI] void play();
+    [RuntimeEnabled=WebAnimationsAPI] void pause();
+    [RuntimeEnabled=WebAnimationsAPI] void reverse();
+
     void cancel();
-    [RaisesException] void finish();
-    void play();
-    void pause();
-    void reverse();
-
     [MeasureAs=AnimationPlayerFinishEvent] attribute EventHandler onfinish;
 };