views: use MEDIUM for TabbedPane tabs, not NORMAL

ui/views/controls/tabbed_pane/tabbed_pane.cc

Index: ui/views/controls/tabbed_pane/tabbed_pane.cc
diff --git a/ui/views/controls/tabbed_pane/tabbed_pane.cc b/ui/views/controls/tabbed_pane/tabbed_pane.cc
index 0b8810d7709da295c681c65f8ad548e4b5ad0265..b445db30b5cef9f364aaeb3f6be7651c51800c9f 100644
--- a/ui/views/controls/tabbed_pane/tabbed_pane.cc
+++ b/ui/views/controls/tabbed_pane/tabbed_pane.cc
@@ -275,7 +275,7 @@ void MdTab::OnStateChanged() {
       : theme->GetSystemColor(ui::NativeTheme::kColorId_ButtonEnabledColor);
   title()->SetEnabledColor(font_color);
 
-  gfx::Font::Weight font_weight = gfx::Font::Weight::NORMAL;
+  gfx::Font::Weight font_weight = gfx::Font::Weight::MEDIUM;
 #if defined(OS_WIN)
   if (selected())
     font_weight = gfx::Font::Weight::BOLD;