Revert of Multiprocess test client: Android child process launcher rework.

base/test/android/multiprocess_test_client_service.cc

Index: base/test/android/multiprocess_test_client_service.cc
diff --git a/base/test/android/multiprocess_test_client_service.cc b/base/test/android/multiprocess_test_client_service.cc
deleted file mode 100644
index 21e4418d1b046618474c7d4729060a3d201760cb..0000000000000000000000000000000000000000
--- a/base/test/android/multiprocess_test_client_service.cc
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2016 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/test/android/multiprocess_test_client_service.h"
-
-#include "base/android/jni_array.h"
-#include "base/files/scoped_file.h"
-#include "base/logging.h"
-#include "base/native_library.h"
-#include "base/posix/global_descriptors.h"
-#include "jni/MultiprocessTestClientService_jni.h"
-
-extern int main(int argc, char** argv);
-
-namespace base {
-namespace android {
-
-bool RegisterMultiprocessTestClientServiceJni(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-// static
-void RunMain(JNIEnv* env,
-             const base::android::JavaParamRef<_jobject*>& jcaller,
-             const base::android::JavaParamRef<jobjectArray>& command_line,
-             const base::android::JavaParamRef<jintArray>& fds_to_map_keys,
-             const base::android::JavaParamRef<jintArray>& fds_to_map_fds) {
-  // Guards against process being reused.
-  // Static variables, singletons, lazy instances make running code again in the
-  // same child process difficult.
-  static bool alreadyRun = false;
-  CHECK(!alreadyRun);
-  alreadyRun = true;
-
-  std::vector<std::string> cpp_command_line;
-  AppendJavaStringArrayToStringVector(env, command_line, &cpp_command_line);
-
-  std::vector<int> keys;
-  base::android::JavaIntArrayToIntVector(env, fds_to_map_keys, &keys);
-  std::vector<int> fds;
-  base::android::JavaIntArrayToIntVector(env, fds_to_map_fds, &fds);
-  CHECK_EQ(keys.size(), fds.size());
-
-  for (size_t i = 0; i < keys.size(); i++) {
-    base::GlobalDescriptors::GetInstance()->Set(keys[i], fds[i]);
-  }
-  std::vector<char*> c_command_line;
-  for (auto& entry : cpp_command_line) {
-    c_command_line.push_back(&entry[0]);
-  }
-
-  int result = main(c_command_line.size(), &c_command_line[0]);
-
-  Java_MultiprocessTestClientService_setMainReturnValue(env, jcaller, result);
-}
-
-}  // namespace android
-}  // namespace base