Gtk: Remove some unused members of GtkUi

chrome/browser/ui/libgtkui/gtk_ui.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_LIBGTKUI_GTK_UI_H_
 #define CHROME_BROWSER_UI_LIBGTKUI_GTK_UI_H_
 
 #include <map>
 #include <memory>
 #include <vector>
@@ skipping 108 matching lines @@
   // ThemeService interface and the colors we send to webkit.
   void LoadGtkValues();
 
   // Initialize the Xcursor theme and size with the GTK theme and size.
   void LoadCursorTheme();
 
   // Reads in explicit theme frame colors from the ChromeGtkFrame style class
   // 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();
 
   // Gets a ChromeGtkFrame theme color; returns true on success.  No-op on gtk3.
   bool GetChromeStyleColor(const char* sytle_property,
                            SkColor* ret_color) const;
 
   ui::NativeTheme* native_theme_;
 
   // A GtkWindow object with the class "ChromeGtkFrame".
   GtkWidget* fake_window_;
 
   // Colors calculated by LoadGtkValues() that are given to the
   // 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_;
   SkColor thumb_active_color_;
   SkColor thumb_inactive_color_;
   SkColor track_color_;
   SkColor active_selection_bg_color_;
   SkColor active_selection_fg_color_;
   SkColor inactive_selection_bg_color_;
   SkColor inactive_selection_fg_color_;
@@ skipping 39 matching lines @@
 }  // namespace libgtkui
 
 // Access point to the GTK2 desktop system. This should be the only symbol that
 // is exported in the library; everything else should be used through the
 // interface, because eventually this .so will be loaded through dlopen at
 // runtime so our main binary can conditionally load GTK2 or GTK3 or EFL or
 // QT or whatever.
 LIBGTKUI_EXPORT views::LinuxUI* BuildGtkUi();
 
 #endif  // CHROME_BROWSER_UI_LIBGTKUI_GTK_UI_H_