Direct Sockets: Count openTCPSocket openUDPSocket

Add feature use counters for calls of Navigator
methods openTCPSocket, openUDPSocket

Explainer: https://github.com/WICG/raw-sockets/blob/master/docs/explainer.md

Bug: 1119681
Change-Id: I5570c87d73985429e0475cc9e97bea355c926176
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2367253
Commit-Queue: Eric Willigers <ericwilligers@chromium.org>
Reviewed-by: Glen Robertson <glenrob@chromium.org>
Cr-Commit-Position: refs/heads/master@{#802278}

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

@@ -2787,6 +2787,8 @@ enum WebFeature {
   kWebCodecsVideoTrackReader= 3459,
   kWebCodecsImageDecoder = 3460,
   kBackForwardCacheExperimentHTTPHeader = 3461,
+  kV8Navigator_OpenTCPSocket_Method = 3462,
+  kV8Navigator_OpenUDPSocket_Method = 3463,
 
   // 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/modules/direct_sockets/navigator_socket.idl

@@ -9,13 +9,11 @@
   ImplementedAs=NavigatorSocket,
   RuntimeEnabled=DirectSockets
 ] partial interface Navigator {
-  // TODO(crbug.com/1119681): Add Measure annotation to each method.
-
   // TODO(crbug.com/905818): Return Promise<TCPSocket>
-  [SecureContext, RaisesException, CallWith=ScriptState]
+  [SecureContext, RaisesException, CallWith=ScriptState, Measure]
   Promise<void> openTCPSocket(optional SocketOptions options = {});
 
   // TODO(crbug.com/1119620): Return Promise<UDPSocket>
-  [SecureContext, RaisesException, CallWith=ScriptState]
+  [SecureContext, RaisesException, CallWith=ScriptState, Measure]
   Promise<void> openUDPSocket(optional SocketOptions options = {});
 };

tools/metrics/histograms/enums.xml

@@ -29010,6 +29010,8 @@ Called by update_use_counter_feature_enum.py.-->
   <int value="3459" label="WebCodecsVideoTrackReader"/>
   <int value="3460" label="WebCodecsImageDecoder"/>
   <int value="3461" label="BackForwardCacheExperimentHTTPHeader"/>
+  <int value="3462" label="V8Navigator_OpenTCPSocket_Method"/>
+  <int value="3463" label="V8Navigator_OpenUDPSocket_Method"/>
 </enum>
 
 <enum name="FeaturePolicyAllowlistType">