Win should call ::TerminateProcess to exit a renderer process

base/process/process.h

 // Copyright 2011 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 BASE_PROCESS_PROCESS_H_
 #define BASE_PROCESS_PROCESS_H_
 
 #include "base/base_export.h"
 #include "base/macros.h"
 #include "base/process/process_handle.h"
@@ skipping 84 matching lines @@
   // Close the process handle. This will not terminate the process.
   void Close();
 
   // Terminates the process with extreme prejudice. The given |exit_code| will
   // be the exit code of the process. If |wait| is true, this method will wait
   // for up to one minute for the process to actually terminate.
   // Returns true if the process terminates within the allowed time.
   // NOTE: On POSIX |exit_code| is ignored.
   bool Terminate(int exit_code, bool wait) const;
 
+  // Terminates the current process immediately with |exit_code|.
+  void TerminateCurrentProcessImmediately(int exit_code) const;

[Primiano Tucci (use gerrit), 2017/01/16 14:37:34]

+static (and move up with the other statics) as this does not make sense as a
member function

+
   // Waits for the process to exit. Returns true on success.
   // On POSIX, if the process has been signaled then |exit_code| is set to -1.
   // On Linux this must be a child process, however on Mac and Windows it can be
   // any process.
   // NOTE: |exit_code| is optional, nullptr can be passed if the exit code is
   // not required.
   bool WaitForExit(int* exit_code) const;
 
   // Same as WaitForExit() but only waits for up to |timeout|.
   // NOTE: |exit_code| is optional, nullptr can be passed if the exit code
@@ skipping 58 matching lines @@
 // Exposed for testing.
 // Given the contents of the /proc/<pid>/cgroup file, determine whether the
 // process is backgrounded or not.
 BASE_EXPORT bool IsProcessBackgroundedCGroup(
     const StringPiece& cgroup_contents);
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace base
 
 #endif  // BASE_PROCESS_PROCESS_H_