Add chrome.webcamPrivate idl

content/browser/renderer_host/media/media_stream_manager.h

Index: content/browser/renderer_host/media/media_stream_manager.h
diff --git a/content/browser/renderer_host/media/media_stream_manager.h b/content/browser/renderer_host/media/media_stream_manager.h
index 17bc6d231d1cd60e1aa56ca0d854975e42cf5eb8..1993fe17c217957acf8fc3d098dff7eddf64f11d 100644
--- a/content/browser/renderer_host/media/media_stream_manager.h
+++ b/content/browser/renderer_host/media/media_stream_manager.h
@@ -335,6 +335,7 @@ class CONTENT_EXPORT MediaStreamManager
   void AddLogMessageOnUIThread(const std::set<int>& render_process_ids,
                                const std::string& message);
 
+ public:
   // Finds and returns the device id corresponding to the given
   // |source_id|. Returns true if there was a raw device id that matched the
   // given |source_id|, false if nothing matched it.
@@ -344,6 +345,7 @@ class CONTENT_EXPORT MediaStreamManager
       const GURL& security_origin,
       const std::string& source_id,
       std::string* device_id) const;
+ private:
 
   // Handles the callback from MediaStreamUIProxy to receive the UI window id,
   // used for excluding the notification window in desktop capturing.