Use [TypeChecking=Unrestricted] for MediaController

Source/core/html/MediaController.idl

Index: Source/core/html/MediaController.idl
diff --git a/Source/core/html/MediaController.idl b/Source/core/html/MediaController.idl
index 524993864e7785774cff1d126f88be34e5299dbc..fa175276160aadb5abaa3b6a7f8caa9ef7fb2f86 100644
--- a/Source/core/html/MediaController.idl
+++ b/Source/core/html/MediaController.idl
@@ -27,12 +27,12 @@
     Constructor,
     ConstructorCallWith=ExecutionContext,
     RuntimeEnabled=MediaController,
+    TypeChecking=Unrestricted,
 ] interface MediaController : EventTarget {
     readonly attribute TimeRanges buffered;
     readonly attribute TimeRanges seekable;
 
     readonly attribute unrestricted double duration;
-    // FIXME: generated bindings should check isfinite: http://crbug.com/354298
     [RaisesException=Setter] attribute double currentTime;
 
     readonly attribute boolean paused;
@@ -42,8 +42,8 @@
     void pause();
     void unpause();
 
-    [RaisesException=Setter] attribute double defaultPlaybackRate;
-    [RaisesException=Setter] attribute double playbackRate;
+    attribute double defaultPlaybackRate;
+    attribute double playbackRate;
 
     [RaisesException=Setter] attribute double volume;
     attribute boolean muted;