ServiceWorker: adding a crash key to check if a new process is launched

content/browser/service_worker/embedded_worker_instance.h

 // Copyright 2013 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_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 118 matching lines @@
 
   // Resumes the worker if it paused after download.
   void ResumeAfterDownload();
 
   int embedded_worker_id() const { return embedded_worker_id_; }
   EmbeddedWorkerStatus status() const { return status_; }
   StartingPhase starting_phase() const {
     DCHECK_EQ(EmbeddedWorkerStatus::STARTING, status());
     return starting_phase_;
   }
+  int restart_count() const { return restart_count_; }
   int process_id() const;
   int thread_id() const { return thread_id_; }
   // This should be called only when the worker instance has a valid process,
   // that is, when |process_id()| returns a valid process id.
   bool is_new_process() const;
   int worker_devtools_agent_route_id() const;
   MessagePortMessageFilter* message_port_message_filter() const;
 
   void AddListener(Listener* listener);
   void RemoveListener(Listener* listener);
@@ skipping 140 matching lines @@
   base::TimeDelta UpdateStepTime();
 
   base::WeakPtr<ServiceWorkerContextCore> context_;
   scoped_refptr<EmbeddedWorkerRegistry> registry_;
 
   // Unique within an EmbeddedWorkerRegistry.
   const int embedded_worker_id_;
 
   EmbeddedWorkerStatus status_;
   StartingPhase starting_phase_;
+  int restart_count_;
 
   // Current running information.
   std::unique_ptr<EmbeddedWorkerInstance::WorkerProcessHandle> process_handle_;
   int thread_id_;
 
   // |client_| is used to send messages to the renderer process.
   mojom::EmbeddedWorkerInstanceClientPtr client_;
 
   // TODO(shimazu): Remove this after non-mojo StartWorker is removed.
   mojom::ServiceWorkerEventDispatcherRequest pending_dispatcher_request_;
@@ skipping 18 matching lines @@
   base::TimeTicks step_time_;
 
   base::WeakPtrFactory<EmbeddedWorkerInstance> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerInstance);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_H_