Worker: Enable UseCounter for SharedWorkerGlobalScope

content/renderer/shared_worker/websharedworker_proxy.h

Index: content/renderer/shared_worker/websharedworker_proxy.h
diff --git a/content/renderer/shared_worker/websharedworker_proxy.h b/content/renderer/shared_worker/websharedworker_proxy.h
index 78cd84cfb5506e717eb9640f70eb1a49b0cd61c0..6c7765b65d15caa009d91cf0e74c2add67cc385e 100644
--- a/content/renderer/shared_worker/websharedworker_proxy.h
+++ b/content/renderer/shared_worker/websharedworker_proxy.h
@@ -5,6 +5,8 @@
 #ifndef CONTENT_RENDERER_SHARED_WORKER_WEBSHAREDWORKER_PROXY_H_
 #define CONTENT_RENDERER_SHARED_WORKER_WEBSHAREDWORKER_PROXY_H_
 
+#include <set>
+
 #include "base/macros.h"
 #include "ipc/ipc_listener.h"
 #include "third_party/WebKit/public/web/WebSharedWorkerConnectListener.h"
@@ -22,11 +24,9 @@ class MessageRouter;
 
 namespace content {
 
-// Implementation of the WebSharedWorker APIs. This object is intended to only
-// live long enough to allow the caller to send a "connect" event to the worker
-// thread. Once the connect event has been sent, all future communication will
-// happen via the WebMessagePortChannel. This instance will self-destruct when a
-// connection is established.
+// A proxy between a renderer process hosting a document and the browser
+// process. This instance has the same lifetime as a shared worker, and
+// self-destructs when the worker is destroyed.
 class WebSharedWorkerProxy : private IPC::Listener {
  public:
   // |channel| should be passed with its ownership.
@@ -45,7 +45,9 @@ class WebSharedWorkerProxy : private IPC::Listener {
 
   void OnWorkerCreated();
   void OnWorkerScriptLoadFailed();
-  void OnWorkerConnected();
+  void OnWorkerConnected(std::set<uint32_t> features);

[dcheng, 2017/02/03 00:40:40]

Nit: const std::set<uint32_t>&

[nhiroki, 2017/02/03 17:28:22]

Done.

+  void OnWorkerDestroyed();
+  void OnCountFeature(uint32_t feature);
 
   // Routing id associated with this worker - used to receive messages from the
   // worker, and also to route messages to the worker (WorkerService contains