Remove sundry IsModeMaterial checks.

chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc

Index: chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc
diff --git a/chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc b/chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc
index ecd4f8ec28eb28432c063a77c90d2f507a44f21a..9bf51cb0f7d82edc9699db8b308ad857d5a65208 100644
--- a/chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc
+++ b/chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc
@@ -91,9 +91,6 @@ void ChromeBrowserMainExtraPartsViewsLinux::ToolkitInitialized() {
 
 void ChromeBrowserMainExtraPartsViewsLinux::PreCreateThreads() {
   ChromeBrowserMainExtraPartsViews::PreCreateThreads();
-  // TODO(varkha): The next call should not be necessary once Material Design is
-  // on unconditionally.
-  views::LinuxUI::instance()->MaterialDesignControllerReady();
   views::LinuxUI::instance()->UpdateDeviceScaleFactor(
       display::Screen::GetScreen()->GetPrimaryDisplay().device_scale_factor());