Add UseCounter for performance.measureMemory API

Bug: 973627
Change-Id: Iee9a68b4e69a8bc51dc83a891618fa02574dd648
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2013044Reviewed-by: Nicolás Peña Moreno <npm@chromium.org>
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#733806}

third_party/blink/public/mojom/web_feature/web_feature.mojom

@@ -2501,6 +2501,7 @@ enum WebFeature {
   kCSPROWithReasonableRestrictions = 3136,
   kCSPWithBetterThanReasonableRestrictions = 3137,
   kCSPROWithBetterThanReasonableRestrictions = 3138,
+  kMeasureMemory = 3139,
 
   // Add new features immediately above this line. Don't change assigned
   // numbers of any item, and don't reuse removed slots.

third_party/blink/renderer/core/timing/performance.idl

@@ -71,7 +71,7 @@ interface Performance : EventTarget {
     // https://groups.google.com/a/chromium.org/d/msg/blink-dev/g5YRCGpC9vs/b4OJz71NmPwJ
     [Exposed=Window, Measure] readonly attribute MemoryInfo memory;
 
-    [Exposed=(Window,Worker), CallWith=ScriptState, RuntimeEnabled=MeasureMemory, RaisesException] Promise<MeasureMemory> measureMemory(optional MeasureMemoryOptions options = {});
+    [MeasureAs=MeasureMemory, Exposed=(Window,Worker), CallWith=ScriptState, RuntimeEnabled=MeasureMemory, RaisesException] Promise<MeasureMemory> measureMemory(optional MeasureMemoryOptions options = {});
 
     // JS Self-Profiling API
     // https://github.com/WICG/js-self-profiling/

tools/metrics/histograms/enums.xml

@@ -26025,6 +26025,7 @@ to ensure that the crash string is shown properly on the user-facing crash UI.
   <int value="3136" label="CSPROWithReasonableRestrictions"/>
   <int value="3137" label="CSPWithBetterThanReasonableRestrictions"/>
   <int value="3138" label="CSPROWithBetterThanReasonableRestrictions"/>
+  <int value="3139" label="MeasureMemory"/>
 </enum>
 
 <enum name="FeaturePolicyAllowlistType">