Implement a ResourceThrottle for URL overriding in Chrome on Android.

chrome/browser/renderer_host/should_ignore_navigation_resource_throttle.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_RENDERER_HOST_SHOULD_IGNORE_NAVIGATION_RESOURCE_THROTTLE_H_
+#define CHROME_BROWSER_RENDERER_HOST_SHOULD_IGNORE_NAVIGATION_RESOURCE_THROTTLE_H_
+#pragma once
+
+#include <string>
+
+#include "base/memory/weak_ptr.h"
+#include "content/public/browser/resource_throttle.h"
+
+namespace net {
+class URLRequest;
+}  // namespace net
+
+class ShouldIgnoreNavigationResourceThrottle

[joth, 2012/05/11 15:34:13]

class comment

[mkosiba (inactive), 2012/05/15 14:20:23]

Done.

+    : public content::ResourceThrottle,
+      public base::SupportsWeakPtr<ShouldIgnoreNavigationResourceThrottle> {

[joth, 2012/05/11 15:34:13]

nit: as WeakPtr is only used as an internal impl detail I think it's nicer to
aggregate a WeakPtrFactory rather than use naughty multiple inheritance

[mkosiba (inactive), 2012/05/15 14:20:23]

Done.

+ public:
+  explicit ShouldIgnoreNavigationResourceThrottle(net::URLRequest* request);
+  virtual ~ShouldIgnoreNavigationResourceThrottle();
+
+  // content::ResourceThrottle implementation:
+  virtual void WillStartRequest(bool* defer) OVERRIDE;
+  virtual void WillRedirectRequest(const GURL& new_url, bool* defer) OVERRIDE;
+
+ private:
+  void ShouldDeferRequest(const GURL& url, bool* defer);
+  void OnResultObtained(bool should_ignore_navigation);
+
+  net::URLRequest* request_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShouldIgnoreNavigationResourceThrottle);
+};
+
+#endif  // CHROME_BROWSER_RENDERER_HOST_SHOULD_IGNORE_NAVIGATION_RESOURCE_THROTTLE_H_