Add use counters for lots of DOM APIs.

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

Index: third_party/WebKit/Source/core/dom/Element.idl
diff --git a/third_party/WebKit/Source/core/dom/Element.idl b/third_party/WebKit/Source/core/dom/Element.idl
index 544f15ac91f8cd13707dde8622f9727a53809cc8..00a0f8d1523fe31fcbe90cf93677079e9e5e48d5 100644
--- a/third_party/WebKit/Source/core/dom/Element.idl
+++ b/third_party/WebKit/Source/core/dom/Element.idl
@@ -38,14 +38,14 @@ interface Element : Node {
 
     // PointerEvent
     //https://www.w3.org/TR/pointerevents/#extensions-to-the-element-interface
-    [RuntimeEnabled=PointerEvent, RaisesException] void setPointerCapture (long pointerId);
-    [RuntimeEnabled=PointerEvent, RaisesException] void releasePointerCapture (long pointerId);
-    [RuntimeEnabled=PointerEvent] attribute EventHandler ongotpointercapture;
-    [RuntimeEnabled=PointerEvent] attribute EventHandler onlostpointercapture;
+    [Measure, RuntimeEnabled=PointerEvent, RaisesException] void setPointerCapture (long pointerId);
+    [Measure, RuntimeEnabled=PointerEvent, RaisesException] void releasePointerCapture (long pointerId);
+    [Measure, RuntimeEnabled=PointerEvent] attribute EventHandler ongotpointercapture;
+    [Measure, RuntimeEnabled=PointerEvent] attribute EventHandler onlostpointercapture;
 
     // PointerEvent v2
     // https://w3c.github.io/pointerevents/#extensions-to-the-element-interface
-    [RuntimeEnabled=PointerEvent] boolean hasPointerCapture (long pointerId);
+    [Measure, RuntimeEnabled=PointerEvent] boolean hasPointerCapture (long pointerId);
 
     boolean hasAttributes();
     [SameObject, PerWorldBindings, ImplementedAs=attributesForBindings] readonly attribute NamedNodeMap attributes;
@@ -99,7 +99,7 @@ interface Element : Node {
     ClientRectList getClientRects();
     ClientRect getBoundingClientRect();
     // FIXME: scrollIntoView() should have a ScrollIntoViewOptions dictionary argument.
-    void scrollIntoView(optional boolean alignWithTop);
+    [Measure] void scrollIntoView(optional boolean alignWithTop);
     [RuntimeEnabled=CSSOMSmoothScroll, ImplementedAs=scrollTo] void scroll(optional ScrollToOptions options);
     [RuntimeEnabled=CSSOMSmoothScroll, ImplementedAs=scrollTo] void scroll(unrestricted double x, unrestricted double y);
     [RuntimeEnabled=CSSOMSmoothScroll] void scrollTo(optional ScrollToOptions options);
@@ -116,8 +116,8 @@ interface Element : Node {
     readonly attribute long clientHeight;
 
     // Scroll Customization API. See crbug.com/410974 for details.
-    [RuntimeEnabled=ScrollCustomization] void setApplyScroll(ScrollStateCallback scrollStateCallback, NativeScrollBehavior nativeScrollBehavior);
-    [RuntimeEnabled=ScrollCustomization] void setDistributeScroll(ScrollStateCallback scrollStateCallback, NativeScrollBehavior nativeScrollBehavior);
+    [Measure, RuntimeEnabled=ScrollCustomization] void setApplyScroll(ScrollStateCallback scrollStateCallback, NativeScrollBehavior nativeScrollBehavior);
+    [Measure, RuntimeEnabled=ScrollCustomization] void setDistributeScroll(ScrollStateCallback scrollStateCallback, NativeScrollBehavior nativeScrollBehavior);
 
     // Non-standard API
     [MeasureAs=ElementScrollIntoViewIfNeeded] void scrollIntoViewIfNeeded(optional boolean centerIfNeeded);
@@ -129,15 +129,15 @@ interface Element : Node {
     [RuntimeEnabled=ComputedAccessibilityInfo] readonly attribute DOMString? computedName;
 
     // Event handler attributes
-    attribute EventHandler onbeforecopy;
-    attribute EventHandler onbeforecut;
-    attribute EventHandler onbeforepaste;
-    attribute EventHandler oncopy;
-    attribute EventHandler oncut;
-    attribute EventHandler onpaste;
-    attribute EventHandler onsearch;
-    attribute EventHandler onselectstart;
-    attribute EventHandler onwheel;
+    [Measure] attribute EventHandler onbeforecopy;
+    [Measure] attribute EventHandler onbeforecut;
+    [Measure] attribute EventHandler onbeforepaste;
+    [Measure] attribute EventHandler oncopy;
+    [Measure] attribute EventHandler oncut;
+    [Measure] attribute EventHandler onpaste;
+    [Measure] attribute EventHandler onsearch;
+    [Measure] attribute EventHandler onselectstart;
+    [Measure] attribute EventHandler onwheel;
 };
 
 Element implements ParentNode;