Gtk: Remove some unused members of GtkUi

chrome/browser/ui/libgtkui/gtk_ui.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/ui/libgtkui/gtk_ui.h"
 
 #include <math.h>
 #include <pango/pango.h>
 #include <X11/Xcursor/Xcursor.h>
 
@@ skipping 390 matching lines @@
 }  // namespace
 
 GtkUi::GtkUi() : middle_click_action_(GetDefaultMiddleClickAction()) {
   GtkInitFromCommandLine(*base::CommandLine::ForCurrentProcess());
 #if GTK_MAJOR_VERSION == 2
   native_theme_ = NativeThemeGtk2::instance();
   fake_window_ = chrome_gtk_frame_new();
   gtk_widget_realize(fake_window_);  // Is this necessary?
 #elif GTK_MAJOR_VERSION == 3
   native_theme_ = NativeThemeGtk3::instance();
+  (void)fake_window_;  // Silence the unused warning.
 #else
 #error "Unsupported GTK version"
 #endif
 }
 
 GtkUi::~GtkUi() {
 #if GTK_MAJOR_VERSION == 2
   gtk_widget_destroy(fake_window_);
 #endif
 }
@@ skipping 435 matching lines @@
     colors_[ThemeProperties::COLOR_TOOLBAR_TOP_SEPARATOR_INACTIVE] =
         entry_inactive_border;
   }
 #endif
 
   colors_[ThemeProperties::COLOR_CONTROL_BACKGROUND] = toolbar_color;
   colors_[ThemeProperties::COLOR_TOOLBAR] = toolbar_color;
 
   UpdateDeviceScaleFactor();
 
-  // Build the various icon tints.
-  GetNormalButtonTintHSL(&button_tint_);
-  GetNormalEntryForegroundHSL(&entry_tint_);
-  GetSelectedEntryForegroundHSL(&selected_entry_tint_);
-
   // We pick the text and background colors for the NTP out of the colors for a
   // GtkEntry. We do this because GtkEntries background color is never the same
   // as |toolbar_color|, is usually a white, and when it isn't a white,
   // provides sufficient contrast to |toolbar_color|. Try this out with
   // Darklooks, HighContrastInverse or ThinIce.
 
   SkColor ntp_background = native_theme_->GetSystemColor(
       ui::NativeTheme::kColorId_TextfieldDefaultBackground);
   SkColor ntp_foreground = native_theme_->GetSystemColor(
       ui::NativeTheme::kColorId_TextfieldDefaultColor);
@@ skipping 85 matching lines @@
       GetBgColor("#headerbar.header-bar.titlebar:backdrop");
   colors_[ThemeProperties::COLOR_FRAME] = color_frame;
   colors_[ThemeProperties::COLOR_FRAME_INACTIVE] = color_frame_inactive;
   colors_[ThemeProperties::COLOR_FRAME_INCOGNITO] =
       color_utils::HSLShift(color_frame, kDefaultTintFrameIncognito);
   colors_[ThemeProperties::COLOR_FRAME_INCOGNITO_INACTIVE] =
       color_utils::HSLShift(color_frame_inactive, kDefaultTintFrameIncognito);
 #endif
 }
 
-void GtkUi::GetNormalButtonTintHSL(color_utils::HSL* tint) const {
-  SkColor accent_color = native_theme_->GetSystemColor(
-      ui::NativeTheme::kColorId_ProminentButtonColor);
-  SkColor text_color = native_theme_->GetSystemColor(
-      ui::NativeTheme::kColorId_LabelEnabledColor);
-  SkColor base_color =
-      native_theme_->GetSystemColor(ui::NativeTheme::kColorId_DialogBackground);
-
-  PickButtonTintFromColors(accent_color, text_color, base_color, tint);
-}
-
-void GtkUi::GetNormalEntryForegroundHSL(color_utils::HSL* tint) const {
-  SkColor accent_color = native_theme_->GetSystemColor(
-      ui::NativeTheme::kColorId_ProminentButtonColor);
-  SkColor text_color = native_theme_->GetSystemColor(
-      ui::NativeTheme::kColorId_TextfieldDefaultColor);
-  SkColor base_color = native_theme_->GetSystemColor(
-      ui::NativeTheme::kColorId_TextfieldDefaultBackground);
-
-  PickButtonTintFromColors(accent_color, text_color, base_color, tint);
-}
-
-void GtkUi::GetSelectedEntryForegroundHSL(color_utils::HSL* tint) const {
-  // The simplest of all the tints. We just use the selected text in the entry
-  // since the icons tinted this way will only be displayed against
-  // base[GTK_STATE_SELECTED].
-  SkColor color = native_theme_->GetSystemColor(
-      ui::NativeTheme::kColorId_TextfieldSelectionColor);
-
-  color_utils::SkColorToHSL(color, tint);
-}
-
 void GtkUi::UpdateDefaultFont() {
   GtkWidget* fake_label = gtk_label_new(nullptr);
   g_object_ref_sink(fake_label);  // Remove the floating reference.
   PangoContext* pc = gtk_widget_get_pango_context(fake_label);
   const PangoFontDescription* desc = pango_context_get_font_description(pc);
 
   // Use gfx::FontRenderParams to select a family and determine the rendering
   // settings.
   gfx::FontRenderParamsQuery query;
   query.families =
@@ skipping 64 matching lines @@
 
 float GtkUi::GetDeviceScaleFactor() const {
   return device_scale_factor_;
 }
 
 }  // namespace libgtkui
 
 views::LinuxUI* BuildGtkUi() {
   return new libgtkui::GtkUi;
 }