Update from https://crrev.com/312398

shell/child_process_host.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 SHELL_CHILD_PROCESS_HOST_H_
 #define SHELL_CHILD_PROCESS_HOST_H_
 
 #include "base/macros.h"
-#include "base/process/process_handle.h"
+#include "base/process/process.h"
 #include "mojo/edk/embedder/platform_channel_pair.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "shell/child_process.h"  // For |ChildProcess::Type|.
 
 namespace mojo {
 namespace shell {
 
 class Context;
 
 // (Base) class for a "child process host". Handles launching and connecting a
@@ skipping 38 matching lines @@
   Context* context() const { return context_; }
 
  private:
   bool DoLaunch();
   void DidLaunch(bool success);
 
   Context* const context_;
   Delegate* const delegate_;
   const ChildProcess::Type type_;
 
-  base::ProcessHandle child_process_handle_;
+  base::Process child_process_;
 
   embedder::PlatformChannelPair platform_channel_pair_;
 
   // Platform-specific "pipe" to the child process. Valid immediately after
   // creation.
   embedder::ScopedPlatformHandle platform_channel_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildProcessHost);
 };
 
 }  // namespace shell
 }  // namespace mojo
 
 #endif  // SHELL_CHILD_PROCESS_HOST_H_