Revert of Ensuring interception of stream get determined by plugin path before checking mime type.

content/browser/loader/buffered_resource_handler.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_BROWSER_LOADER_BUFFERED_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_LOADER_BUFFERED_RESOURCE_HANDLER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 38 matching lines @@
   // ResourceController implementation:
   void Resume() override;
   void Cancel() override;
   void CancelAndIgnore() override;
   void CancelWithError(int error_code) override;
 
   bool ProcessResponse(bool* defer);
 
   bool ShouldSniffContent();
   bool DetermineMimeType();
-  // Returns true if a plugin will handle the current request. |defer| is set
-  // to true if plugin data is stale and needs to be refreshed before the
-  // request can be handled. |request_handled| is false if the request should
-  // be cancelled and true otherwise.
-  bool IsHandledByPlugin(bool* defer, bool* request_handled);
   bool SelectNextHandler(bool* defer);
   bool UseAlternateNextHandler(scoped_ptr<ResourceHandler> handler,
                                const std::string& payload_for_old_handler);
 
   bool ReplayReadCompleted(bool* defer);
   void CallReplayReadCompleted();
 
   bool MustDownload();
+  bool HasSupportingPlugin(bool* is_stale);
 
   // Copies data from |read_buffer_| to |next_handler_|.
   bool CopyReadBufferToNextHandler();
 
   // Called on the IO thread once the list of plugins has been loaded.
   void OnPluginsLoaded(const std::vector<WebPluginInfo>& plugins);
 
   enum State {
     STATE_STARTING,
 
@@ skipping 27 matching lines @@
   bool must_download_is_set_;
 
   base::WeakPtrFactory<BufferedResourceHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferedResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_BUFFERED_RESOURCE_HANDLER_H_