Add use counters for lots of DOM APIs.

third_party/WebKit/Source/core/html/HTMLIFrameElement.idl

Index: third_party/WebKit/Source/core/html/HTMLIFrameElement.idl
diff --git a/third_party/WebKit/Source/core/html/HTMLIFrameElement.idl b/third_party/WebKit/Source/core/html/HTMLIFrameElement.idl
index 0a43b108ad1fd5e6c85bb2e2e9a51784fe94be08..eaaac8869e86538bc6f4503b00601d0b87d1ef72 100644
--- a/third_party/WebKit/Source/core/html/HTMLIFrameElement.idl
+++ b/third_party/WebKit/Source/core/html/HTMLIFrameElement.idl
@@ -22,11 +22,11 @@
 
 interface HTMLIFrameElement : HTMLElement {
     [CEReactions, Reflect, URL] attribute DOMString src;
-    [CEReactions, Reflect] attribute DOMString srcdoc;
-    [CEReactions, Reflect] attribute DOMString name;
+  [Measure, CEReactions, Reflect] attribute DOMString srcdoc;
+  [Measure, CEReactions, Reflect] attribute DOMString name;
     [CEReactions, PutForwards=value] readonly attribute DOMTokenList sandbox;
     // Note: The seamless attribute was once supported, but was removed.
-    [CEReactions, Reflect] attribute boolean allowFullscreen;
+  [Measure, CEReactions, Reflect] attribute boolean allowFullscreen;
     [CEReactions, Reflect] attribute DOMString width;
     [CEReactions, Reflect] attribute DOMString height;
     [CheckSecurity=ReturnValue] readonly attribute Document? contentDocument;
@@ -40,11 +40,11 @@ interface HTMLIFrameElement : HTMLElement {
 
     // obsolete members
     // https://html.spec.whatwg.org/#HTMLIFrameElement-partial
-    [CEReactions, Reflect] attribute DOMString align;
-    [CEReactions, Reflect] attribute DOMString scrolling;
+  [Measure, CEReactions, Reflect] attribute DOMString align;
+  [Measure, CEReactions, Reflect] attribute DOMString scrolling;
     [CEReactions, Reflect] attribute DOMString frameBorder;
-    [CEReactions, Reflect, URL] attribute DOMString longDesc;
+  [Measure, CEReactions, Reflect, URL] attribute DOMString longDesc;
 
-    [CEReactions, Reflect, TreatNullAs=EmptyString] attribute DOMString marginHeight;
-    [CEReactions, Reflect, TreatNullAs=EmptyString] attribute DOMString marginWidth;
+  [Measure, CEReactions, Reflect, TreatNullAs=EmptyString] attribute DOMString marginHeight;
+  [Measure, CEReactions, Reflect, TreatNullAs=EmptyString] attribute DOMString marginWidth;
 };