Revert of [Android] Refactor the native test wrappers.

components/test/android/browsertests_apk/components_browser_tests_android.cc

+// Copyright 2015 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.
+
+// This class sets up the environment for running the content browser tests
+// inside an android application.
+
+#include <android/log.h>
+#include <unistd.h>
+
+#include "base/android/base_jni_registrar.h"
+#include "base/android/fifo_utils.h"
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "base/android/library_loader/library_loader_hooks.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/base_switches.h"
+#include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "base/logging.h"
+#include "base/strings/string_tokenizer.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
+#include "content/public/common/content_switches.h"
+#include "content/public/test/test_launcher.h"
+#include "jni/ComponentsBrowserTestsActivity_jni.h"
+#include "media/base/media_switches.h"
+#include "testing/android/native_test/native_test_util.h"
+
+using testing::native_test_util::ArgsToArgv;
+using testing::native_test_util::ParseArgsFromCommandLineFile;
+using testing::native_test_util::ScopedMainEntryLogger;
+
+// The main function of the program to be wrapped as an apk.
+extern int main(int argc, char** argv);
+
+namespace {
+
+// The test runner script writes the command line file in
+// "/data/local/tmp".
+static const char kCommandLineFilePath[] =
+    "/data/local/tmp/components-browser-tests-command-line";
+
+}  // namespace
+
+namespace components {
+
+// TODO(jaekyun): Refactor and deduplicate with
+// testing/android/native_test/native_test_launcher.cc (http://crbug.com/476410)
+static void RunTests(JNIEnv* env,
+                     jobject obj,
+                     jstring jfiles_dir,
+                     jobject app_context) {
+  // Command line basic initialization, will be fully initialized later.
+  static const char* const kInitialArgv[] = {"ComponentsBrowserTestsActivity"};
+  base::CommandLine::Init(arraysize(kInitialArgv), kInitialArgv);
+
+  // Set the application context in base.
+  base::android::ScopedJavaLocalRef<jobject> scoped_context(
+      env, env->NewLocalRef(app_context));
+  base::android::InitApplicationContext(env, scoped_context);
+  base::android::RegisterJni(env);
+
+  std::vector<std::string> args;
+  ParseArgsFromCommandLineFile(kCommandLineFilePath, &args);
+
+  std::vector<char*> argv;
+  int argc = ArgsToArgv(args, &argv);
+
+  // Fully initialize command line with arguments.
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+  command_line->AppendArguments(base::CommandLine(argc, &argv[0]), false);
+
+  // Append required switches.
+  command_line->AppendSwitch(content::kSingleProcessTestsFlag);
+  command_line->AppendSwitch(switches::kUseFakeDeviceForMediaStream);
+  command_line->AppendSwitch(switches::kUseFakeUIForMediaStream);
+  // Specify a socket name to not conflict with the default one used
+  // in content_shell.
+  command_line->AppendSwitchASCII(switches::kRemoteDebuggingSocketName,
+                                  "components_browsertests_devtools_remote");
+
+  // Create fifo and redirect stdout and stderr to it.
+  base::FilePath files_dir(
+      base::android::ConvertJavaStringToUTF8(env, jfiles_dir));
+  base::FilePath fifo_path(files_dir.Append(base::FilePath("test.fifo")));
+  base::android::CreateFIFO(fifo_path, 0666);
+  base::android::RedirectStream(stdout, fifo_path, "w+");
+  dup2(STDOUT_FILENO, STDERR_FILENO);
+
+  ScopedMainEntryLogger scoped_main_entry_logger;
+  main(argc, &argv[0]);
+}
+
+bool RegisterComponentsBrowserTestsAndroid(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace components