Add use counters for lots of DOM APIs.

third_party/WebKit/Source/modules/vibration/NavigatorVibration.idl

Index: third_party/WebKit/Source/modules/vibration/NavigatorVibration.idl
diff --git a/third_party/WebKit/Source/modules/vibration/NavigatorVibration.idl b/third_party/WebKit/Source/modules/vibration/NavigatorVibration.idl
index 45a181e82fb4e4ad2fac3478cae55f33de5b57a9..1fdf26f22bcf310783c3554a97070fa7880c1c2b 100644
--- a/third_party/WebKit/Source/modules/vibration/NavigatorVibration.idl
+++ b/third_party/WebKit/Source/modules/vibration/NavigatorVibration.idl
@@ -23,6 +23,6 @@ partial interface Navigator {
     // FIXME: should be union type https://crbug.com/240176
     // FIXME: The contents of the pattern argument should be clamped.
     // See https://code.google.com/p/chromium/issues/detail?id=310138
-    boolean vibrate([Clamp] unsigned long pattern);
-    boolean vibrate(sequence<unsigned long> pattern);
+    [Measure] boolean vibrate([Clamp] unsigned long pattern);
+    [Measure] boolean vibrate(sequence<unsigned long> pattern);
 };