Use StopChildProcess instead of base::KillProcess to kill a renderer process

content/browser/renderer_host/render_process_host_impl.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_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <map>
 #include <queue>
 #include <string>
@@ skipping 86 matching lines @@
   void AddRoute(int32 routing_id, IPC::Listener* listener) override;
   void RemoveRoute(int32 routing_id) override;
   void AddObserver(RenderProcessHostObserver* observer) override;
   void RemoveObserver(RenderProcessHostObserver* observer) override;
   void ReceivedBadMessage() override;
   void WidgetRestored() override;
   void WidgetHidden() override;
   int VisibleWidgetCount() const override;
   bool IsIsolatedGuest() const override;
   StoragePartition* GetStoragePartition() const override;
+  bool Shutdown(int exit_code, bool wait) override;
   bool FastShutdownIfPossible() override;
   void DumpHandles() override;
   base::ProcessHandle GetHandle() const override;
   BrowserContext* GetBrowserContext() const override;
   bool InSameStoragePartition(StoragePartition* partition) const override;
   int GetID() const override;
   bool HasConnection() const override;
   void SetIgnoreInputEvents(bool ignore_input_events) override;
   bool IgnoreInputEvents() const override;
   void Cleanup() override;
@@ skipping 353 matching lines @@
   scoped_ptr<PermissionServiceContext> permission_service_context_;
 
   base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_