Don't pass ProcessHandle through ChildProcessHostDelegate.

base/process/process_unittest.cc

 // 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.
 
 #include "base/process/process.h"
 
 #include "base/process/kill.h"
 #include "base/test/multiprocess_test.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/platform_thread.h"
@@ skipping 74 matching lines @@
   ASSERT_TRUE(process1.IsValid());
   ASSERT_TRUE(process2.IsValid());
   EXPECT_EQ(process1.pid(), process2.pid());
   EXPECT_TRUE(process1.is_current());
   EXPECT_TRUE(process2.is_current());
 
   process1.Close();
   ASSERT_TRUE(process2.IsValid());
 }
 
+TEST_F(ProcessTest, DeprecatedGetProcessFromHandle) {
+  Process process1(SpawnChild("SimpleChildProcess"));
+  ASSERT_TRUE(process1.IsValid());
+
+  Process process2 = Process::DeprecatedGetProcessFromHandle(process1.Handle());
+  ASSERT_TRUE(process1.IsValid());
+  ASSERT_TRUE(process2.IsValid());
+  EXPECT_EQ(process1.pid(), process2.pid());
+  EXPECT_FALSE(process1.is_current());
+  EXPECT_FALSE(process2.is_current());
+
+  process1.Close();
+  ASSERT_TRUE(process2.IsValid());
+}
+
 MULTIPROCESS_TEST_MAIN(SleepyChildProcess) {
   PlatformThread::Sleep(TestTimeouts::action_max_timeout());
   return 0;
 }
 
 TEST_F(ProcessTest, Terminate) {
   Process process(SpawnChild("SleepyChildProcess"));
   ASSERT_TRUE(process.IsValid());
 
   const int kDummyExitCode = 42;
@@ skipping 47 matching lines @@
   EXPECT_FALSE(process.IsProcessBackgrounded());
 #else
   process.SetProcessBackgrounded(true);
   process.SetProcessBackgrounded(false);
 #endif
   int new_priority = process.GetPriority();
   EXPECT_EQ(old_priority, new_priority);
 }
 
 }  // namespace base