Revert of Makes MaterialDesignController initialization explicit

chrome/browser/ui/libgtk2ui/gtk2_ui.h

Index: chrome/browser/ui/libgtk2ui/gtk2_ui.h
diff --git a/chrome/browser/ui/libgtk2ui/gtk2_ui.h b/chrome/browser/ui/libgtk2ui/gtk2_ui.h
index 9539df00f762ee53f9b9246b4e8d3cda215f536c..3dda6d284439b9bc9908411b2862f9e0a6478845 100644
--- a/chrome/browser/ui/libgtk2ui/gtk2_ui.h
+++ b/chrome/browser/ui/libgtk2ui/gtk2_ui.h
@@ -73,9 +73,6 @@
 
   // ui::LinuxUI:
   void Initialize() override;
-  // TODO(varkha): This should not be necessary once Material Design is on
-  // unconditionally.
-  void MaterialDesignControllerReady() override;
   gfx::Image GetThemeImageNamed(int id) const override;
   bool GetTint(int id, color_utils::HSL* tint) const override;
   bool GetColor(int id, SkColor* color) const override;
@@ -133,11 +130,6 @@
   // ThemeService interface and the colors we send to webkit.
   void LoadGtkValues();
 
-  // Updates colors if necessary after possible modification of command line.
-  // TODO(varkha): This should not be necessary once Material Design is on
-  // unconditionally.
-  void UpdateMaterialDesignColors();
-
   // Reads in explicit theme frame colors from the ChromeGtkFrame style class
   // or generates them per our fallback algorithm.
   SkColor BuildFrameColors();