Gtk3: Add support for Gtk3.20 themes

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 862 matching lines @@
   colors_[ThemeProperties::COLOR_TAB_THROBBER_SPINNING] =
       native_theme_->GetSystemColor(
           ui::NativeTheme::kColorId_ThrobberSpinningColor);
   colors_[ThemeProperties::COLOR_TAB_THROBBER_WAITING] =
       native_theme_->GetSystemColor(
           ui::NativeTheme::kColorId_ThrobberWaitingColor);
 
 #if GTK_MAJOR_VERSION > 2
   colors_[ThemeProperties::COLOR_TOOLBAR_BOTTOM_SEPARATOR] =
       colors_[ThemeProperties::COLOR_DETACHED_BOOKMARK_BAR_SEPARATOR] =
-          GetBorderColor("GtkToolbar.primary-toolbar.toolbar");
+          GetBorderColor("GtkToolbar#toolbar.primary-toolbar");
 #endif
 }
 
 void GtkUi::LoadCursorTheme() {
   GtkSettings* settings = gtk_settings_get_default();
 
   gchar* theme = nullptr;
   gint size = 0;
   g_object_get(settings, "gtk-cursor-theme-name", &theme,
                "gtk-cursor-theme-size", &size, nullptr);
@@ skipping 24 matching lines @@
   temp_color = color_utils::HSLShift(frame_color, kDefaultTintFrameIncognito);
   GetChromeStyleColor("incognito-frame-color", &temp_color);
   colors_[ThemeProperties::COLOR_FRAME_INCOGNITO] = temp_color;
 
   temp_color =
       color_utils::HSLShift(frame_color, kDefaultTintFrameIncognitoInactive);
   GetChromeStyleColor("incognito-inactive-frame-color", &temp_color);
   colors_[ThemeProperties::COLOR_FRAME_INCOGNITO_INACTIVE] = temp_color;
 #else
   // TODO(thomasanderson): Render a GtkHeaderBar directly.
-  SkColor color_frame = GetBgColor(".headerbar.header-bar.titlebar");
+  SkColor color_frame = GetBgColor("#headerbar.header-bar.titlebar");
   SkColor color_frame_inactive =
-      GetBgColor(".headerbar.header-bar.titlebar:backdrop");
+      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 {
@@ skipping 105 matching lines @@
 
 float GtkUi::GetDeviceScaleFactor() const {
   return device_scale_factor_;
 }
 
 }  // namespace libgtkui
 
 views::LinuxUI* BuildGtkUi() {
   return new libgtkui::GtkUi;
 }