create one video capture message filter per renderer process

content/renderer/video_capture_message_filter_creator.h

Index: content/renderer/video_capture_message_filter_creator.h
===================================================================
--- content/renderer/video_capture_message_filter_creator.h	(revision 0)
+++ content/renderer/video_capture_message_filter_creator.h	(revision 0)
@@ -0,0 +1,35 @@
+// Copyright (c) 2011 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_RENDERER_VIDEO_CAPTURE_MESSAGE_FILTER_CREATOR_H_
+#define CONTENT_RENDERER_VIDEO_CAPTURE_MESSAGE_FILTER_CREATOR_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/singleton.h"
+
+class VideoCaptureMessageFilter;
+
+// VideoCaptureMessageFilterCreator is to be used as a singleton so we can get
+// access to a shared VideoCaptureMessageFilter.
+// Example usage:
+//   VideoCaptureMessageFilter* filter =
+//       VideoCaptureMessageFilterCreator::SharedFilter();
+
+class VideoCaptureMessageFilterCreator {
+ public:
+  static VideoCaptureMessageFilter* SharedFilter();
+  static VideoCaptureMessageFilterCreator* GetInstance();
+
+ private:
+  VideoCaptureMessageFilterCreator();
+  ~VideoCaptureMessageFilterCreator();
+  friend struct DefaultSingletonTraits<VideoCaptureMessageFilterCreator>;
+
+  scoped_refptr<VideoCaptureMessageFilter> filter_;
+
+  DISALLOW_COPY_AND_ASSIGN(VideoCaptureMessageFilterCreator);
+};
+
+#endif  // CONTENT_RENDERER_VIDEO_CAPTURE_MESSAGE_FILTER_CREATOR_H_
+
Property changes on: content/renderer/video_capture_message_filter_creator.h
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Added: svn:eol-style
   + LF