Revert of android: Move launcher_android.cc to helper

content/browser/child_process_launcher_helper_android.h

Index: content/browser/child_process_launcher_helper_android.h
diff --git a/content/browser/child_process_launcher_helper_android.h b/content/browser/child_process_launcher_helper_android.h
deleted file mode 100644
index 50c083872e02d0df5d02e48d281f810eeae61947..0000000000000000000000000000000000000000
--- a/content/browser/child_process_launcher_helper_android.h
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2017 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_CHILD_PROCESS_LAUNCHER_HELPER_ANDROID_H_
-#define CONTENT_BROWSER_CHILD_PROCESS_LAUNCHER_HELPER_ANDROID_H_
-
-#include <jni.h>
-
-namespace content {
-
-bool RegisterChildProcessLauncher(JNIEnv* env);
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_CHILD_PROCESS_LAUNCHER_HELPER_ANDROID_H_