Remove out of spec FrameTiming members from Performance.idl

third_party/WebKit/Source/core/timing/Performance.idl

Index: third_party/WebKit/Source/core/timing/Performance.idl
diff --git a/third_party/WebKit/Source/core/timing/Performance.idl b/third_party/WebKit/Source/core/timing/Performance.idl
index 0140c467683caa783492acf2007d5ee7e4c56f1d..a681750c8cba971b6d5c97313b00485f61c2c401 100644
--- a/third_party/WebKit/Source/core/timing/Performance.idl
+++ b/third_party/WebKit/Source/core/timing/Performance.idl
@@ -64,12 +64,6 @@ interface Performance : EventTarget {
     [MeasureAs=UnprefixedUserTiming, RaisesException] void measure(DOMString measureName, optional DOMString startMark = null, optional DOMString endMark = null);
     [MeasureAs=UnprefixedUserTiming] void clearMeasures(optional DOMString measureName = null);
 
-    // Frame Timing
-    // https://w3c.github.io/frame-timing/#extensions-performance-interface
-    [RuntimeEnabled=FrameTimingSupport, MeasureAs=PerformanceFrameTiming] void clearFrameTimings();
-    [RuntimeEnabled=FrameTimingSupport, MeasureAs=PerformanceFrameTiming] void setFrameTimingBufferSize(unsigned long maxSize);
-    [RuntimeEnabled=FrameTimingSupport] attribute EventHandler onframetimingbufferfull;
-
     // TODO(foolip): There is no spec for the Memory Info API, see blink-dev:
     // https://groups.google.com/a/chromium.org/d/msg/blink-dev/g5YRCGpC9vs/b4OJz71NmPwJ
     [Measure] readonly attribute MemoryInfo memory;