Add use counters for lots of DOM APIs.

third_party/WebKit/Source/core/dom/DOMMatrixReadOnly.idl

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // https://dev.w3.org/fxtf/geometry/#DOMMatrix
 
 [
     Constructor,
     Constructor(DOMString transformList),
     Constructor(sequence<unrestricted double> numberSequence),
     RaisesException=Constructor,
     // FIXME: Exposed=(Window,Worker)
     RuntimeEnabled=GeometryInterfaces,
 ] interface DOMMatrixReadOnly {
-    [RaisesException, NewObject] static DOMMatrixReadOnly fromFloat32Array(Float32Array array32);
-    [RaisesException, NewObject] static DOMMatrixReadOnly fromFloat64Array(Float64Array array64);
+    [RaisesException, NewObject, Measure] static DOMMatrixReadOnly fromFloat32Array(Float32Array array32);
+    [RaisesException, NewObject, Measure] static DOMMatrixReadOnly fromFloat64Array(Float64Array array64);
     [RaisesException, NewObject] static DOMMatrixReadOnly fromMatrix(optional DOMMatrixInit other);
 
     // These attributes are simple aliases for certain elements of the 4x4 matrix
     readonly attribute unrestricted double a;
     readonly attribute unrestricted double b;
     readonly attribute unrestricted double c;
     readonly attribute unrestricted double d;
     readonly attribute unrestricted double e;
     readonly attribute unrestricted double f;
 
@@ skipping 41 matching lines @@
                               optional unrestricted double y = 0,
                               optional unrestricted double z = 0,
                               optional unrestricted double angle = 0);
     DOMMatrix skewX(optional unrestricted double sx = 0);
     DOMMatrix skewY(optional unrestricted double sy = 0);
     [RaisesException] DOMMatrix multiply(optional DOMMatrixInit other);
     DOMMatrix flipX();
     DOMMatrix flipY();
     DOMMatrix inverse();
 
-    DOMPoint transformPoint(optional DOMPointInit point);
+    [Measure] DOMPoint transformPoint(optional DOMPointInit point);
 
-    Float32Array toFloat32Array();
-    Float64Array toFloat64Array();
+    [Measure] Float32Array toFloat32Array();
+    [Measure] Float64Array toFloat64Array();
     stringifier;
     serializer = {attribute};
 };