Forward MIME types to BrowserPlugin when a viewer is specified.

chrome/browser/extensions/api/streams_private/streams_private_api.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_EXTENSIONS_API_STREAMS_PRIVATE_STREAMS_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_STREAMS_PRIVATE_STREAMS_PRIVATE_API_H_
 
 #include <map>
 #include <string>
 
@@ skipping 15 matching lines @@
  public:
   // Convenience method to get the StreamsPrivateAPI for a BrowserContext.
   static StreamsPrivateAPI* Get(content::BrowserContext* context);
 
   explicit StreamsPrivateAPI(content::BrowserContext* context);
   virtual ~StreamsPrivateAPI();
 
   void ExecuteMimeTypeHandler(const std::string& extension_id,
                               const content::WebContents* web_contents,
                               scoped_ptr<content::StreamHandle> stream,
+                              const std::string& view_id,

[not at google - send to devlin, 2014/04/30 00:48:51]

this function needs to explain what these parameters are

[Zachary Kuznia, 2014/04/30 01:23:35]

Done.

                               int64 expected_content_size);
 
   // BrowserContextKeyedAPI implementation.
   static BrowserContextKeyedAPIFactory<StreamsPrivateAPI>* GetFactoryInstance();
 
  private:
   friend class BrowserContextKeyedAPIFactory<StreamsPrivateAPI>;
   typedef std::map<std::string,
                    std::map<GURL,
                             linked_ptr<content::StreamHandle> > > StreamMap;
@@ skipping 16 matching lines @@
   base::WeakPtrFactory<StreamsPrivateAPI> weak_ptr_factory_;
 
   // Listen to extension unloaded notifications.
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_STREAMS_PRIVATE_STREAMS_PRIVATE_API_H_