Implement the skeleton of an android content shell.

content/shell/android/shell_manager.h

Index: content/shell/android/shell_manager.h
diff --git a/content/shell/android/shell_manager.h b/content/shell/android/shell_manager.h
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+++ b/content/shell/android/shell_manager.h
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+// 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.
+
+#ifndef CONTENT_SHELL_ANDROID_SHELL_MANAGER_H_
+#define CONTENT_SHELL_ANDROID_SHELL_MANAGER_H_
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+
+namespace content {
+class ShellView;
+
+// Creates an Android specific shell view, which is our version of a shell
+// window.  This view holds the controls and content views necessary to
+// render a shell window.  Returns a ShellView ptr bound to an initialized java
+// object.
+content::ShellView* CreateShellView();
+
+// Registers the ShellManager native methods.
+bool RegisterShellManager(JNIEnv* env);
+
+}  // namespace content
+
+#endif  // CONTENT_SHELL_ANDROID_SHELL_MANAGER_H_