Implement a ResourceThrottle for URL overriding in Chrome on Android.

content/public/browser/intercept_navigation_resource_throttle.h

Index: content/public/browser/intercept_navigation_resource_throttle.h
diff --git a/content/public/browser/intercept_navigation_resource_throttle.h b/content/public/browser/intercept_navigation_resource_throttle.h
new file mode 100644
index 0000000000000000000000000000000000000000..561afff2dab9478c4fa31e33766191cb95fb182f
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+++ b/content/public/browser/intercept_navigation_resource_throttle.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_PUBLIC_INTERCEPT_NAVIGATION_RESOURCE_THROTTLE_H_
+#define CONTENT_PUBLIC_INTERCEPT_NAVIGATION_RESOURCE_THROTTLE_H_
+#pragma once
+
+#include <string>
+
+#include "content/common/content_export.h"
+#include "content/public/browser/resource_throttle.h"
+
+namespace net {
+class URLRequest;
+}  // namespace net
+
+namespace content {
+
+// This class allows the embedder (via WebContentsDelegate) to selectively
+// ignore top level navigations.
+class CONTENT_EXPORT InterceptNavigationResourceThrottle :
+    public content::ResourceThrottle {
+ public:
+  static InterceptNavigationResourceThrottle*
+      Create(net::URLRequest* request);
+  virtual ~InterceptNavigationResourceThrottle() {}
+
+ protected:
+  InterceptNavigationResourceThrottle() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(InterceptNavigationResourceThrottle);
+};
+
+} // namespace content
+
+#endif  // CONTENT_PUBLIC_INTERCEPT_NAVIGATION_RESOURCE_THROTTLE_H_