Add initial Chromium TestShell support for Android

chrome/app/android/chrome_android_initializer.cc

Index: chrome/app/android/chrome_android_initializer.cc
diff --git a/chrome/app/android/chrome_android_initializer.cc b/chrome/app/android/chrome_android_initializer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..76828ecafc1c3f3a52b4d081788467bae3a058fb
--- /dev/null
+++ b/chrome/app/android/chrome_android_initializer.cc
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 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 "chrome/app/android/chrome_android_initializer.h"
+
+#include "base/android/jni_android.h"
+#include "base/logging.h"
+#include "chrome/app/android/chrome_main_delegate_android.h"
+#include "content/public/app/android_library_loader_hooks.h"
+#include "content/public/app/content_main.h"
+
+jint RunChrome(JavaVM* vm, ChromeMainDelegateAndroid* main_delegate) {
+  base::android::InitVM(vm);
+  JNIEnv* env = base::android::AttachCurrentThread();
+  if (!content::RegisterLibraryLoaderEntryHook(env)) {
+    return -1;
+  }
+
+  DCHECK(main_delegate);
+  content::SetContentMainDelegate(main_delegate);
+
+  return JNI_VERSION_1_4;
+}