Fix crashes in ChromotingHost

remoting/host/screen_recorder.h

Index: remoting/host/screen_recorder.h
diff --git a/remoting/host/screen_recorder.h b/remoting/host/screen_recorder.h
index a436eaad6859380ea69d475a2a6fafa400073a56..6048fbfb093260abeea460aa2ad5f658eba6c84f 100644
--- a/remoting/host/screen_recorder.h
+++ b/remoting/host/screen_recorder.h
@@ -64,7 +64,7 @@ class ScreenRecorder : public base::RefCountedThreadSafe<ScreenRecorder> {
  public:
 
   // Construct a ScreenRecorder. Message loops and threads are provided.
-  // This object does not own capturer and encoder.
+  // This object does not own capturer but owns encoder.
   ScreenRecorder(MessageLoop* capture_loop,
                  MessageLoop* encode_loop,
                  MessageLoop* network_loop,
@@ -154,7 +154,7 @@ class ScreenRecorder : public base::RefCountedThreadSafe<ScreenRecorder> {
 
   // Reference to the capturer. This member is always accessed on the capture
   // thread.
-  scoped_ptr<Capturer> capturer_;
+  Capturer* capturer_;
 
   // Reference to the encoder. This member is always accessed on the encode
   // thread.