Pointer/hover media query support: platform-dependent changes

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index dd4a9e87fe80c801274dd0b79e0fc28414e3c732..b0a1b706303315261d9cfadb060c8f14863c1526 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -422,6 +422,11 @@ WebPreferences RenderViewHostImpl::ComputeWebkitPrefs(const GURL& url) {
   prefs.touch_enabled = ui::AreTouchEventsEnabled();
   prefs.device_supports_touch = prefs.touch_enabled &&
       ui::IsTouchDevicePresent();
+  prefs.available_pointer_types = ui::AvailablePointerTypes();
+  prefs.primary_pointer_type = ui::PrimaryPointerType();
+  prefs.available_hover_types = ui::AvailableHoverTypes();
+  prefs.primary_hover_type = ui::PrimaryHoverType();
+
 #if defined(OS_ANDROID)
   prefs.device_supports_mouse = false;
 #endif