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

content/child/npapi/plugin_stream_url.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 CONTENT_CHILD_NPAPI_PLUGIN_STREAM_URL_H_
 #define CONTENT_CHILD_NPAPI_PLUGIN_STREAM_URL_H_
 
 #include <vector>
 
+#include "base/memory/scoped_ptr.h"
 #include "content/child/npapi/plugin_stream.h"
 #include "content/child/npapi/webplugin_resource_client.h"
 #include "url/gurl.h"
 
 namespace content {
-
 class PluginInstance;
+class PluginURLFetcher;
 
 // A NPAPI Stream based on a URL.
 class PluginStreamUrl : public PluginStream,
                         public WebPluginResourceClient {
  public:
   // Create a new stream for sending to the plugin by fetching
   // a URL. If notifyNeeded is set, then the plugin will be notified
   // when the stream has been fully sent to the plugin.  Initialize
   // must be called before the object is used.
   PluginStreamUrl(unsigned long resource_id,
                   const GURL &url,
                   PluginInstance *instance,
                   bool notify_needed,
                   void *notify_data);
 
+  void SetPluginURLFetcher(PluginURLFetcher* fetcher);
+
+  void URLRedirectResponse(bool allow);
+
   // Stop sending the stream to the client.
   // Overrides the base Close so we can cancel our fetching the URL if
   // it is still loading.
   virtual bool Close(NPReason reason) OVERRIDE;
   virtual WebPluginResourceClient* AsResourceClient() OVERRIDE;
   virtual void CancelRequest() OVERRIDE;
 
   // WebPluginResourceClient methods
   virtual void WillSendRequest(const GURL& url, int http_status_code) OVERRIDE;
   virtual void DidReceiveResponse(const std::string& mime_type,
                                   const std::string& headers,
                                   uint32 expected_length,
                                   uint32 last_modified,
                                   bool request_is_seekable) OVERRIDE;
   virtual void DidReceiveData(const char* buffer,
                               int length,
                               int data_offset) OVERRIDE;
   virtual void DidFinishLoading(unsigned long resource_id) OVERRIDE;
   virtual void DidFail(unsigned long resource_id) OVERRIDE;
   virtual bool IsMultiByteResponseExpected() OVERRIDE;
   virtual int ResourceId() OVERRIDE;
   virtual void AddRangeRequestResourceId(unsigned long resource_id) OVERRIDE;
 
  protected:
   virtual ~PluginStreamUrl();
 
  private:
   void SetDeferLoading(bool value);
 
+  // In case of a redirect, this can be called to update the url.  But it must
+  // be called before Open().
+  void UpdateUrl(const char* url);
+
   GURL url_;
   unsigned long id_;
   // Ids of additional resources requested via range requests issued on
   // seekable streams.
   std::vector<unsigned long> range_requests_;
 
+  // If the plugin participates in HTTP URL redirect handling then this member
+  // holds the url being redirected to while we wait for the plugin to make a
+  // decision on whether to allow or deny the redirect.
+  std::string pending_redirect_url_;
+
+  scoped_ptr<PluginURLFetcher> plugin_url_fetcher_;
+
   DISALLOW_COPY_AND_ASSIGN(PluginStreamUrl);
 };
 
 }  // namespace content
 
 #endif // CONTENT_CHILD_NPAPI_PLUGIN_STREAM_URL_H_