Add use counters for lots of DOM APIs.

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

Index: third_party/WebKit/Source/core/dom/Touch.idl
diff --git a/third_party/WebKit/Source/core/dom/Touch.idl b/third_party/WebKit/Source/core/dom/Touch.idl
index 064cadcc60592f7b815823b7b290f0f90d2e6aa4..ae27a2e4193ac4c7dddef5ef174f6f3d57d6151d 100644
--- a/third_party/WebKit/Source/core/dom/Touch.idl
+++ b/third_party/WebKit/Source/core/dom/Touch.idl
@@ -37,12 +37,12 @@
     readonly attribute double clientY;
     readonly attribute double pageX;
     readonly attribute double pageY;
-    readonly attribute float radiusX;
-    readonly attribute float radiusY;
-    readonly attribute float rotationAngle;
-    readonly attribute float force;
+    [Measure] readonly attribute float radiusX;
+    [Measure] readonly attribute float radiusY;
+    [Measure] readonly attribute float rotationAngle;
+    [Measure] readonly attribute float force;
 
     // Canvas Hit Regions
     // https://html.spec.whatwg.org/multipage/scripting.html#Touch-partial
-    [RuntimeEnabled=ExperimentalCanvasFeatures] readonly attribute DOMString? region;
+    [Measure, RuntimeEnabled=ExperimentalCanvasFeatures] readonly attribute DOMString? region;
 };