ImageCapture: don't list |torch| in Capabilities if not supported

third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp

Index: third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp
diff --git a/third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp b/third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp
index ca93ddcc4e328f35a9444acc7adc1d5b65b32c80..6832f67d461840f1c59eb1f5cc6b14290a208b02 100644
--- a/third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp
+++ b/third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp
@@ -636,7 +636,8 @@ void ImageCapture::OnCapabilitiesUpdateInternal(
     settings_.setZoom(capabilities.zoom->current);
   }
 
-  capabilities_.setTorch(capabilities.supports_torch);
+  if (capabilities.supports_torch)
+    capabilities_.setTorch(capabilities.supports_torch);
   if (capabilities.supports_torch)
     settings_.setTorch(capabilities.torch);
 }