Nukes the nano tab style on gtk and brings back the toolbar for apps

chrome/browser/gtk/tabs/tab_strip_gtk.cc

 // Copyright (c) 2010 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/gtk/tabs/tab_strip_gtk.h"
 
 #include <algorithm>
 
 #include "app/gtk_dnd_util.h"
 #include "app/resource_bundle.h"
@@ skipping 1066 matching lines @@
 
   return GetIndexOfTab(tab) == model_->selected_index();
 }
 
 bool TabStripGtk::IsTabDetached(const TabGtk* tab) const {
   if (drag_controller_.get())
     return drag_controller_->IsTabDetached(tab);
   return false;
 }
 
-bool TabStripGtk::IsToolbarVisible(const TabGtk* tab) const {
-  return model_->IsToolbarVisible(GetIndexOfTab(tab));
-}
-
 void TabStripGtk::GetCurrentTabWidths(double* unselected_width,
                                       double* selected_width) const {
   *unselected_width = current_unselected_width_;
   *selected_width = current_selected_width_;
 }
 
 bool TabStripGtk::IsTabPinned(const TabGtk* tab) const {
   if (tab->closing())
     return false;
 
   return model_->IsTabPinned(GetIndexOfTab(tab));
 }
 
-bool TabStripGtk::IsAppTab(const TabGtk* tab) const {
-  if (tab->closing())
-    return false;
-
-  return model_->IsAppTab(GetIndexOfTab(tab));
-}
-
 void TabStripGtk::SelectTab(TabGtk* tab) {
   int index = GetIndexOfTab(tab);
   if (model_->ContainsIndex(index))
     model_->SelectTabContentsAt(index, true);
 }
 
 void TabStripGtk::CloseTab(TabGtk* tab) {
   int tab_index = GetIndexOfTab(tab);
   if (model_->ContainsIndex(tab_index)) {
     TabGtk* last_tab = GetTabAt(GetTabCount() - 1);
@@ skipping 923 matching lines @@
 
   // Let the middle mouse button initiate clicks as well.
   gtk_util::SetButtonTriggersNavigation(button->widget());
   g_signal_connect(button->widget(), "clicked",
                    G_CALLBACK(OnNewTabClickedThunk), this);
   GTK_WIDGET_UNSET_FLAGS(button->widget(), GTK_CAN_FOCUS);
   gtk_fixed_put(GTK_FIXED(tabstrip_.get()), button->widget(), 0, 0);
 
   return button;
 }