Introduce ServiceWorker.EventDispatchingDelay UMA

content/renderer/service_worker/service_worker_context_client.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_
 #define CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 47 matching lines @@
 class ServiceWorkerContextClient;
 class ThreadSafeSender;
 class WebServiceWorkerRegistrationImpl;
 
 // This class provides access to/from an ServiceWorker's WorkerGlobalScope.
 // Unless otherwise noted, all methods are called on the worker thread.
 class ServiceWorkerContextClient
     : public blink::WebServiceWorkerContextClient {
  public:
   using SyncCallback =
-      base::Callback<void(blink::mojom::ServiceWorkerEventStatus)>;
+      base::Callback<void(blink::mojom::ServiceWorkerEventStatus,
+                          double /* dispatch_event_time */)>;
 
   // Returns a thread-specific client instance.  This does NOT create a
   // new instance.
   static ServiceWorkerContextClient* ThreadSpecificInstance();
 
   // Called on the main thread.
   ServiceWorkerContextClient(int embedded_worker_id,
                              int64_t service_worker_version_id,
                              const GURL& service_worker_scope,
                              const GURL& script_url,
@@ skipping 43 matching lines @@
                             const blink::WebString& message,
                             int line_number,
                             const blink::WebString& source_url) override;
   void sendDevToolsMessage(int session_id,
                            int call_id,
                            const blink::WebString& message,
                            const blink::WebString& state) override;
   blink::WebDevToolsAgentClient::WebKitClientMessageLoop*
   createDevToolsMessageLoop() override;
   void didHandleActivateEvent(int request_id,
-                              blink::WebServiceWorkerEventResult) override;
+                              blink::WebServiceWorkerEventResult,
+                              double dispatch_event_time) override;
   void didHandleExtendableMessageEvent(
       int request_id,
-      blink::WebServiceWorkerEventResult result) override;
-  void didHandleInstallEvent(
-      int request_id,
-      blink::WebServiceWorkerEventResult result) override;
-  void respondToFetchEvent(int response_id) override;
-  void respondToFetchEvent(
-      int response_id,
-      const blink::WebServiceWorkerResponse& response) override;
+      blink::WebServiceWorkerEventResult result,
+      double dispatch_event_time) override;
+  void didHandleInstallEvent(int request_id,
+                             blink::WebServiceWorkerEventResult result,
+                             double event_dispatch_time) override;
+  void respondToFetchEvent(int response_id,
+                           double event_dispatch_time) override;
+  void respondToFetchEvent(int response_id,
+                           const blink::WebServiceWorkerResponse& response,
+                           double event_dispatch_time) override;
   void didHandleFetchEvent(int event_finish_id,
-                           blink::WebServiceWorkerEventResult result) override;
+                           blink::WebServiceWorkerEventResult result,
+                           double dispatch_event_time) override;
   void didHandleNotificationClickEvent(
       int request_id,
-      blink::WebServiceWorkerEventResult result) override;
+      blink::WebServiceWorkerEventResult result,
+      double dispatch_event_time) override;
   void didHandleNotificationCloseEvent(
       int request_id,
-      blink::WebServiceWorkerEventResult result) override;
+      blink::WebServiceWorkerEventResult result,
+      double dispatch_event_time) override;
   void didHandlePushEvent(int request_id,
-                          blink::WebServiceWorkerEventResult result) override;
+                          blink::WebServiceWorkerEventResult result,
+                          double dispatch_event_time) override;
   void didHandleSyncEvent(int request_id,
-                          blink::WebServiceWorkerEventResult result) override;
+                          blink::WebServiceWorkerEventResult result,
+                          double dispatch_event_time) override;
 
   // Called on the main thread.
   blink::WebServiceWorkerNetworkProvider* createServiceWorkerNetworkProvider(
       blink::WebDataSource* data_source) override;
   blink::WebServiceWorkerProvider* createServiceWorkerProvider() override;
 
   void postMessageToClient(
       const blink::WebString& uuid,
       const blink::WebString& message,
       blink::WebMessagePortChannelArray* channels) override;
@@ skipping 87 matching lines @@
   // Initialized on the worker thread in workerContextStarted and
   // destructed on the worker thread in willDestroyWorkerContext.
   std::unique_ptr<WorkerContextData> context_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerContextClient);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_