[Sensors] Adding chrome flag to enable Generic Sensor based APIs

content/child/runtime_features.cc

Index: content/child/runtime_features.cc
diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc
index 94b80631256f6fc52a73803a2f1f03ae3d195417..0b2bded16a5d2182dbf3500568078adcafe8697a 100644
--- a/content/child/runtime_features.cc
+++ b/content/child/runtime_features.cc
@@ -306,6 +306,9 @@ void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
     WebRuntimeFeatures::enableFeatureFromString("CompositeOpaqueScrollers",
         false);
 
+  if (base::FeatureList::IsEnabled(features::kGenericSensor))
+    WebRuntimeFeatures::enableGenericSensor(true);
+
   // Enable explicitly enabled features, and then disable explicitly disabled
   // ones.
   if (command_line.HasSwitch(switches::kEnableBlinkFeatures)) {