Forward MIME types to BrowserPlugin when a viewer is specified.

content/public/browser/resource_dispatcher_host_delegate.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_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 91 matching lines @@
   // will be called with
   // - the |target_id| returned by this function
   // - a StreamHandle instance for the Stream. The handle contains the URL for
   //   reading the Stream etc.
   // The Stream's origin will be set to |origin|.
   virtual bool ShouldInterceptResourceAsStream(
       content::ResourceContext* resource_context,
       const GURL& url,
       const std::string& mime_type,
       GURL* origin,
-      std::string* target_id);
+      std::string* target_id,
+      std::string* payload,
+      std::string* view_id);

[jam, 2014/05/30 21:05:27]

can you document what payload and view_id are and how they're supposed to be
used? looking at this, i have no idea what view_id is

[Zachary Kuznia, 2014/05/30 21:21:06]

Done.

 
   // Informs the delegate that a Stream was created. |target_id| will be filled
   // with the parameter returned by ShouldInterceptResourceAsStream(). The
   // Stream can be read from the blob URL of the Stream, but can only be read
   // once.
   virtual void OnStreamCreated(
       content::ResourceContext* resource_context,
       int render_process_id,
       int render_view_id,
       const std::string& target_id,
+      const std::string& view_id,
       scoped_ptr<StreamHandle> stream,
       int64 expected_content_size);
 
   // Informs the delegate that a response has started.
   virtual void OnResponseStarted(
       net::URLRequest* request,
       ResourceContext* resource_context,
       ResourceResponse* response,
       IPC::Sender* sender);
 
   // Informs the delegate that a request has been redirected.
   virtual void OnRequestRedirected(
       const GURL& redirect_url,
       net::URLRequest* request,
       ResourceContext* resource_context,
       ResourceResponse* response);
 
   // Notification that a request has completed.
   virtual void RequestComplete(net::URLRequest* url_request);
 
  protected:
   ResourceDispatcherHostDelegate();
   virtual ~ResourceDispatcherHostDelegate();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_DELEGATE_H_