Implement the skeleton of an android content shell.

content/shell/android/shell_manager.cc

+// 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 "content/shell/android/shell_manager.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/lazy_instance.h"
+#include "content/shell/android/shell_view.h"
+#include "jni/shell_manager_jni.h"
+
+using base::android::ScopedJavaLocalRef;
+
+base::LazyInstance<base::android::ScopedJavaGlobalRef<jobject> >
+    g_content_shell_manager = LAZY_INSTANCE_INITIALIZER;
+
+namespace content {
+
+ShellView* CreateShellView() {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  return reinterpret_cast<ShellView*>(Java_ShellManager_createShell(
+      env, g_content_shell_manager.Get().obj()));
+}
+
+// Register native methods
+bool RegisterShellManager(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace content
+
+// ----------------------------------------------------------------------------
+// Native JNI methods
+// ----------------------------------------------------------------------------
+
+void Init(JNIEnv* env, jclass clazz, jobject obj) {
+  g_content_shell_manager.Get().Reset(
+      base::android::ScopedJavaLocalRef<jobject>(env, obj));
+}