Video Capture: Allow 0 fps frame rates to be deserializable

media/video/capture/win/video_capture_device_factory_win.cc

Index: media/video/capture/win/video_capture_device_factory_win.cc
diff --git a/media/video/capture/win/video_capture_device_factory_win.cc b/media/video/capture/win/video_capture_device_factory_win.cc
index 96d764d136225fca51485126ced45f8fb55a0940..a1c141ff10105064e8182b3334df05f1542ea003 100644
--- a/media/video/capture/win/video_capture_device_factory_win.cc
+++ b/media/video/capture/win/video_capture_device_factory_win.cc
@@ -298,10 +298,11 @@ static void GetDeviceSupportedFormatsDirectShow(
             reinterpret_cast<VIDEOINFOHEADER*>(media_type->pbFormat);
         format.frame_size.SetSize(h->bmiHeader.biWidth,
                                   h->bmiHeader.biHeight);
+        if (!h->AvgTimePerFrame)

[perkj_chrome, 2014/06/19 11:23:35]

So this does not add the format at all. Is that really what you want? 

+          continue;
         // Trust the frame rate from the VIDEOINFOHEADER.
-        format.frame_rate = (h->AvgTimePerFrame > 0) ?
-            kSecondsToReferenceTime / static_cast<float>(h->AvgTimePerFrame) :
-            0.0;
+        format.frame_rate =
+            kSecondsToReferenceTime / static_cast<float>(h->AvgTimePerFrame);
 
         formats->push_back(format);
         DVLOG(1) << device.name() << " resolution: "