Add WebView implementation for CookieManager.

android_webview/native/cookie_manager.h

Index: android_webview/native/cookie_manager.h
diff --git a/android_webview/native/cookie_manager.h b/android_webview/native/cookie_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..2bb2ca66420bbe4458f1959026fa886fa2a6a45f
--- /dev/null
+++ b/android_webview/native/cookie_manager.h
@@ -0,0 +1,16 @@
+// Copyright (c) 2011 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 ANDROID_WEBVIEW_NATIVE_COOKIE_MANAGER_H_
+#define ANDROID_WEBVIEW_NATIVE_COOKIE_MANAGER_H_
+
+#include <jni.h>
+
+namespace android_webview {
+
+bool RegisterCookieManager(JNIEnv* env);
+
+}  // namespace android_webview;
+
+#endif  // ANDROID_WEBVIEW_NATIVE_COOKIE_MANAGER_H_