Load NPAPI plugin resources through the browser process directly instead of going through the render

content/plugin/plugin_url_fetcher.h

+// Copyright (c) 2013 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_PLUGIN_PLUGIN_URL_FETCHER_H_
+#define CONTENT_PLUGIN_PLUGIN_URL_FETCHER_H_
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+#include "url/gurl.h"
+#include "webkit/child/resource_loader_bridge.h"
+
+namespace webkit_glue {
+class ResourceLoaderBridge;
+}
+
+namespace content {
+class WebPluginProxy;
+class WebPluginResourceClient;
+
+// Fetches URLS for a plugin using ResourceDispatcher. We avoid going through
+// the renderer because plugins can request any origin, and we can't let a
+// renderer request any URL when running under site isolation.
+class PluginURLFetcher : public webkit_glue::ResourceLoaderBridge::Peer {
+ public:
+  PluginURLFetcher(WebPluginResourceClient* client,
+                   WebPluginProxy* webplugin_proxy,
+                   const GURL& url,
+                   const GURL& first_party_for_cookies,
+                   const std::string& method,
+                   const std::string& post_data,
+                   const GURL& referrer,
+                   bool notify_redirects,
+                   bool is_plugin_src_load,
+                   int render_process_id,
+                   unsigned long resource_id);
+  virtual ~PluginURLFetcher();
+
+  // Cancels the current request.
+  void Cancel();
+
+  // Called with the plugin's reply to NPP_URLRedirectNotify.
+  void URLRedirectResponse(bool allow);
+
+  WebPluginResourceClient* client() { return client_; }
+
+ private:
+  // webkit_glue::ResourceLoaderBridge::Peer implementation:
+  virtual void OnUploadProgress(uint64 position, uint64 size) OVERRIDE;
+  virtual bool OnReceivedRedirect(const GURL& new_url,
+                                  const webkit_glue::ResourceResponseInfo& info,
+                                  bool* has_new_first_party_for_cookies,
+                                  GURL* new_first_party_for_cookies) OVERRIDE;
+  virtual void OnReceivedResponse(
+      const webkit_glue::ResourceResponseInfo& info) OVERRIDE;
+  virtual void OnDownloadedData(int len, int encoded_data_length) OVERRIDE;
+  virtual void OnReceivedData(const char* data,
+                              int data_length,
+                              int encoded_data_length) OVERRIDE;
+  virtual void OnCompletedRequest(
+      int error_code,
+      bool was_ignored_by_handler,
+      const std::string& security_info,
+      const base::TimeTicks& completion_time) OVERRIDE;
+
+  WebPluginResourceClient* client_;
+  WebPluginProxy* webplugin_proxy_;
+  GURL url_;
+  GURL first_party_for_cookies_;
+  std::string method_;
+  std::string post_data_;
+  GURL referrer_;
+  bool notify_redirects_;
+  bool is_plugin_src_load_;
+  unsigned long resource_id_;
+  int data_offset_;
+
+  scoped_ptr<webkit_glue::ResourceLoaderBridge> bridge_;
+
+  DISALLOW_COPY_AND_ASSIGN(PluginURLFetcher);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PLUGIN_PLUGIN_URL_FETCHER_H_