MemoryCoordinator checks if ServiceWorker exists on the suspending process

content/public/test/mock_render_process_host.h

 // Copyright (c) 2012 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_PUBLIC_TEST_MOCK_RENDER_PROCESS_HOST_H_
 #define CONTENT_PUBLIC_TEST_MOCK_RENDER_PROCESS_HOST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 #include <memory>
@@ skipping 83 matching lines @@
       bool incoming,
       bool outgoing,
       const WebRtcRtpPacketCallback& packet_callback) override;
 #endif
   void ResumeDeferredNavigation(const GlobalRequestID& request_id) override;
   service_manager::InterfaceProvider* GetRemoteInterfaces() override;
   std::unique_ptr<base::SharedPersistentMemoryAllocator> TakeMetricsAllocator()
       override;
   const base::TimeTicks& GetInitTimeForNavigationMetrics() const override;
   bool IsProcessBackgrounded() const override;
+  size_t GetWorkerRefCount() const override;
   void IncrementServiceWorkerRefCount() override;
   void DecrementServiceWorkerRefCount() override;
   void IncrementSharedWorkerRefCount() override;
   void DecrementSharedWorkerRefCount() override;
   void ForceReleaseWorkerRefCounts() override;
   bool IsWorkerRefCountDisabled() override;
   void PurgeAndSuspend() override;
   void Resume() override;
   mojom::Renderer* GetRendererInterface() override;
 
@@ skipping 18 matching lines @@
     is_process_backgrounded_ = is_process_backgrounded;
   }
 
   void SetProcessHandle(std::unique_ptr<base::ProcessHandle> new_handle) {
     process_handle = std::move(new_handle);
   }
 
   void GetAudioOutputControllers(
       const GetAudioOutputControllersCallback& callback) const override {}
 
-  int worker_ref_count() const { return worker_ref_count_; }
-
   void SetRemoteInterfaces(
       std::unique_ptr<service_manager::InterfaceProvider> remote_interfaces) {
     remote_interfaces_ = std::move(remote_interfaces);
   }
 
  private:
   // Stores IPC messages that would have been sent to the renderer.
   IPC::TestSink sink_;
   int bad_msg_count_;
   const MockRenderProcessHostFactory* factory_;
@@ skipping 37 matching lines @@
   // for deleting all MockRenderProcessHosts that have not deleted by a test in
   // the destructor and prevent them from being leaked.
   mutable ScopedVector<MockRenderProcessHost> processes_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRenderProcessHostFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_MOCK_RENDER_PROCESS_HOST_H_