GTK: Use IDR_THEME_WINDOW_CONTROL_BACKGROUND when drawing min/max/close and new tab buttons.

chrome/browser/ui/gtk/gtk_theme_service.cc

 
 // Copyright (c) 2011 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/gtk/gtk_theme_service.h"
 
 #include <gtk/gtk.h>
 
 #include <set>
@@ skipping 735 matching lines @@
   // Before we start setting images and values, we have to clear out old, stale
   // values. (If we don't do this, we'll regress startup time in the case where
   // someone installs a heavyweight theme, then goes back to GTK.)
   profile()->GetPrefs()->ClearPref(prefs::kCurrentThemeImages);
 
   GtkStyle* frame_style = gtk_rc_get_style(fake_frame_);
 
   GtkStyle* window_style = gtk_rc_get_style(fake_window_);
   SetThemeColorFromGtk(ThemeService::COLOR_CONTROL_BACKGROUND,
                        &window_style->bg[GTK_STATE_NORMAL]);
-  SetThemeColorFromGtk(ThemeService::COLOR_BUTTON_BACKGROUND,
-                       &window_style->bg[GTK_STATE_NORMAL]);
 
   GdkColor toolbar_color = window_style->bg[GTK_STATE_NORMAL];
   SetThemeColorFromGtk(ThemeService::COLOR_TOOLBAR, &toolbar_color);
 
   GdkColor button_color = window_style->bg[GTK_STATE_SELECTED];
   SetThemeTintFromGtk(ThemeService::TINT_BUTTONS, &button_color);
 
   GtkStyle* label_style = gtk_rc_get_style(fake_label_.get());
   GdkColor label_color = label_style->fg[GTK_STATE_NORMAL];
   SetThemeColorFromGtk(ThemeService::COLOR_TAB_TEXT, &label_color);
@@ skipping 472 matching lines @@
   cairo_set_line_width(cr, 1.0);
   cairo_move_to(cr, start_x, widget->allocation.y);
   cairo_line_to(cr, start_x,
                 widget->allocation.y + widget->allocation.height);
   cairo_stroke(cr);
   cairo_destroy(cr);
   cairo_pattern_destroy(pattern);
 
   return TRUE;
 }