Update from https://crrev.com/312398

base/process/process_win.cc

 // Copyright (c) 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.
 
 #include "base/process/process.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process/kill.h"
 #include "base/win/windows_version.h"
 
+namespace {
+
+DWORD kBasicProcessAccess =
+  PROCESS_TERMINATE | PROCESS_QUERY_INFORMATION | SYNCHRONIZE;
+
+} // namespace
+
 namespace base {
 
 Process::Process(ProcessHandle handle)
     : is_current_process_(false),
       process_(handle) {
   CHECK_NE(handle, ::GetCurrentProcess());
 }
 
 Process::Process(RValue other)
     : is_current_process_(other.object->is_current_process_),
@@ skipping 11 matching lines @@
 }
 
 // static
 Process Process::Current() {
   Process process;
   process.is_current_process_ = true;
   return process.Pass();
 }
 
 // static
+Process Process::OpenWithExtraPriviles(ProcessId pid) {
+  DWORD access = kBasicProcessAccess | PROCESS_DUP_HANDLE | PROCESS_VM_READ;
+  ProcessHandle handle = ::OpenProcess(access, FALSE, pid);
+  return Process(handle);
+}
+
+// static
 Process Process::DeprecatedGetProcessFromHandle(ProcessHandle handle) {
   DCHECK_NE(handle, ::GetCurrentProcess());
   ProcessHandle out_handle;
   if (!::DuplicateHandle(GetCurrentProcess(), handle,
                          GetCurrentProcess(), &out_handle,
                          0, FALSE, DUPLICATE_SAME_ACCESS)) {
     return Process();
   }
   return Process(out_handle);
 }
@@ skipping 94 matching lines @@
 
   return (::SetPriorityClass(Handle(), priority) != 0);
 }
 
 int Process::GetPriority() const {
   DCHECK(IsValid());
   return ::GetPriorityClass(Handle());
 }
 
 }  // namespace base