Pass gamepad enable switch through to WebKit

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 50f010a7531975500f5ea51ea08351ed0223d070..da4ab7b1bb5a78b68dcfbf2897d7f3c30d1deb1d 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -540,6 +540,9 @@ void RenderThreadImpl::EnsureWebKitInitialized() {
   WebRuntimeFeatures::enableJavaScriptI18NAPI(
       !command_line.HasSwitch(switches::kDisableJavaScriptI18NAPI));
 
+  WebRuntimeFeatures::enableGamepad(
+      command_line.HasSwitch(switches::kEnableGamepad));
+
   WebRuntimeFeatures::enableQuota(true);
 
   FOR_EACH_OBSERVER(RenderProcessObserver, observers_, WebKitInitialized());