Gtk: Remove some unused members of GtkUi

chrome/browser/ui/libgtkui/gtk_ui.h

Index: chrome/browser/ui/libgtkui/gtk_ui.h
diff --git a/chrome/browser/ui/libgtkui/gtk_ui.h b/chrome/browser/ui/libgtkui/gtk_ui.h
index ba3dded32500b4d83d7cd17c1b70184be1fc04f9..330232782f25bcc6de56d175799b3de8e250b51b 100644
--- a/chrome/browser/ui/libgtkui/gtk_ui.h
+++ b/chrome/browser/ui/libgtkui/gtk_ui.h
@@ -126,23 +126,6 @@ class GtkUi : public views::LinuxUI {
   // or generates them per our fallback algorithm.
   void BuildFrameColors();
 
-  // Gets a tint which depends on the default for |id| as well as |color|.
-  color_utils::HSL ColorToTint(int id, SkColor color);
-
-  // Returns the tint for buttons that contrasts with the normal window
-  // background color.
-  void GetNormalButtonTintHSL(color_utils::HSL* tint) const;
-
-  // Returns a tint that's the color of the current normal text in an entry.
-  void GetNormalEntryForegroundHSL(color_utils::HSL* tint) const;
-
-  // Returns a tint that's the color of the current highlighted text in an
-  // entry.
-  void GetSelectedEntryForegroundHSL(color_utils::HSL* tint) const;
-
-  // Gets a color for the background of the prominent button.
-  SkColor GetProminentButtonBgColor(int gtk_state) const;
-
   // Updates |default_font_*|.
   void UpdateDefaultFont();
 
@@ -159,11 +142,6 @@ class GtkUi : public views::LinuxUI {
   // caller while |use_gtk_| is true.
   ColorMap colors_;
 
-  // Colors used to tint certain icons.
-  color_utils::HSL button_tint_;
-  color_utils::HSL entry_tint_;
-  color_utils::HSL selected_entry_tint_;
-
   // Colors that we pass to WebKit. These are generated each time the theme
   // changes.
   SkColor focus_ring_color_;