Get mojo_shell building inside chromium checkout.

mojo/shell/android/library_loader.cc

+// Copyright 2013 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/android/base_jni_onload.h"
+#include "base/android/base_jni_registrar.h"
+#include "base/android/jni_android.h"
+#include "base/android/jni_registrar.h"
+#include "base/bind.h"
+#include "mojo/services/native_viewport/platform_viewport_android.h"
+#include "mojo/shell/android/android_handler.h"
+#include "mojo/shell/android/keyboard_impl.h"
+#include "mojo/shell/android/main.h"
+
+namespace {
+
+base::android::RegistrationMethod kMojoRegisteredMethods[] = {
+    {"AndroidHandler", mojo::shell::RegisterAndroidHandlerJni},
+    {"Keyboard", mojo::shell::RegisterKeyboardJni},
+    {"PlatformViewportAndroid",
+     native_viewport::PlatformViewportAndroid::Register},
+    {"ShellMain", mojo::shell::RegisterShellMain},
+};
+
+bool RegisterJNI(JNIEnv* env) {
+  if (!base::android::RegisterJni(env))
+    return false;
+
+  return RegisterNativeMethods(env, kMojoRegisteredMethods,
+                               arraysize(kMojoRegisteredMethods));
+}
+
+}  // namespace
+
+// This is called by the VM when the shared library is first loaded.
+JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
+  std::vector<base::android::RegisterCallback> register_callbacks;
+  register_callbacks.push_back(base::Bind(&RegisterJNI));
+  if (!base::android::OnJNIOnLoadRegisterJNI(vm, register_callbacks) ||
+      !base::android::OnJNIOnLoadInit(
+          std::vector<base::android::InitCallback>())) {
+    return -1;
+  }
+
+  return JNI_VERSION_1_4;
+}