Pepper: Change PPB_VideoDecoder::Reset behavior so plugin always manages textures.

ppapi/examples/video_decode/video_decode.cc

Index: ppapi/examples/video_decode/video_decode.cc
diff --git a/ppapi/examples/video_decode/video_decode.cc b/ppapi/examples/video_decode/video_decode.cc
index e104080c96f2311a30bca3cd655c4d2857563b06..56748e037d6babcebd821564483f91d2a47ac6d4 100644
--- a/ppapi/examples/video_decode/video_decode.cc
+++ b/ppapi/examples/video_decode/video_decode.cc
@@ -430,10 +430,6 @@ bool MyInstance::HandleInputEvent(const pp::InputEvent& event) {
           if (!video_decoders_[i]->resetting())
             video_decoders_[i]->Reset();
         }
-
-        // Clear pending pictures.
-        while (!pending_pictures_.empty())
-          pending_pictures_.pop();
       }
       return true;
     }