Refactor the Android port to allow access to the chrome layer.

chrome/browser/component/web_contents_delegate_android/component_jni_registrar.h

+// 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 CHROME_BROWSER_COMPONENT_WEB_CONTENTS_DELEGATE_ANDROID_COMPONENT_JNI_REGISTRAR_H_
+#define CHROME_BROWSER_COMPONENT_WEB_CONTENTS_DELEGATE_ANDROID_COMPONENT_JNI_REGISTRAR_H_
+
+#include <jni.h>
+
+namespace web_contents_delegate_android {
+
+// Register all JNI bindings necessary for the web_contents_delegate_android
+// component.
+bool RegisterJni(JNIEnv* env);
+
+} // namespace web_contents_delegate_android
+
+#endif  // CHROME_BROWSER_COMPONENT_WEB_CONTENTS_DELEGATE_ANDROID_COMPONENT_JNI_REGISTRAR_H_
+