Use UUID for ServiceWorker Client identifier (2/3, chromium)

content/common/service_worker/service_worker_client_info.h

Index: content/common/service_worker/service_worker_client_info.h
diff --git a/content/common/service_worker/service_worker_client_info.h b/content/common/service_worker/service_worker_client_info.h
index 7a299509d5debe1d3d892d3f128a4dc684a98fe7..e21aa1552f955afadd17e1dc80b25b33be7e1165 100644
--- a/content/common/service_worker/service_worker_client_info.h
+++ b/content/common/service_worker/service_worker_client_info.h
@@ -15,8 +15,8 @@ namespace content {
 // This class holds the information related to a service worker window client.
 // It is the content/ equivalent of Blink's WebServiceWorkerClientInfo.
 // An instance can be created empty or can be filed with the expected
-// properties. Except for the client_id, it is preferred to use the constructor
-// to fill the properties.
+// properties. Except for the client_uuid, it is preferred to use the
+// constructor to fill the properties.
 struct ServiceWorkerClientInfo {
   ServiceWorkerClientInfo();
   ServiceWorkerClientInfo(blink::WebPageVisibilityState page_visibility_state,
@@ -29,10 +29,10 @@ struct ServiceWorkerClientInfo {
   bool IsEmpty() const;
 
   // Returns whether the instance is valid. A valid instance is not empty and
-  // has a valid client_id.
+  // has a valid client_uuid.
   bool IsValid() const;
 
-  int client_id;
+  std::string client_uuid;
   blink::WebPageVisibilityState page_visibility_state;
   bool is_focused;
   GURL url;