Use constexpr TaskTraits constructor in content.

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 8631b0cba3ece9b0d71a2ec2b9cbe876ce0593f7..a545925b891d2c606bf3c9758828f785ee2f7064 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -311,8 +311,7 @@ RenderWidgetHostImpl::RenderWidgetHostImpl(RenderWidgetHostDelegate* delegate,
   // date when the renderer process requests the color profile.
   if (gfx::ICCProfile::CachedProfilesNeedUpdate()) {
     base::PostTaskWithTraits(
-        FROM_HERE, base::TaskTraits().MayBlock().WithPriority(
-                       base::TaskPriority::BACKGROUND),
+        FROM_HERE, {base::MayBlock(), base::TaskPriority::BACKGROUND},
         base::Bind(&gfx::ICCProfile::UpdateCachedProfilesOnBackgroundThread));
   }
 #endif