Add scheme to HostZoomMap

chrome/browser/ui/gtk/browser_toolbar_gtk.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/gtk/browser_toolbar_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 #include <X11/XF86keysym.h>
 
@@ skipping 424 matching lines @@
   if (actions_toolbar_.get())
     actions_toolbar_->Update();
 }
 
 bool BrowserToolbarGtk::IsWrenchMenuShowing() const {
   return wrench_menu_.get() && gtk_widget_get_visible(wrench_menu_->widget());
 }
 
 // BrowserToolbarGtk, private --------------------------------------------------
 
-void BrowserToolbarGtk::OnZoomLevelChanged(const std::string& host) {
+void BrowserToolbarGtk::OnZoomLevelChanged(
+    const HostZoomMap::ZoomLevelChange& change) {
   // Since BrowserToolbarGtk create a new |wrench_menu_model_| in
   // RebuildWrenchMenu(), the ordering of the observers of HostZoomMap
   // can change, and result in subtle bugs like http://crbug.com/118823.
   // Rather than depending on the ordering of the observers, always update
   // the WrenchMenuModel before updating the WrenchMenu.
   wrench_menu_model_->UpdateZoomControls();
 
   // If our zoom level changed, we need to tell the menu to update its state,
   // since the menu could still be open.
   wrench_menu_->UpdateMenu();
@@ skipping 248 matching lines @@
                       allocation.x + x_offset,
                       allocation.y + y_offset);
 
   return FALSE;
 }
 
 void BrowserToolbarGtk::UpdateShowHomeButton() {
   bool visible = show_home_button_.GetValue() && !ShouldOnlyShowLocation();
   gtk_widget_set_visible(home_->widget(), visible);
 }