Refactor browser window zoom handling and enable zoom icon on all platforms.

chrome/browser/ui/gtk/location_bar_view_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_LOCATION_BAR_VIEW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_LOCATION_BAR_VIEW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/api/prefs/pref_member.h"
 #include "chrome/browser/command_observer.h"
 #include "chrome/browser/extensions/extension_context_menu_model.h"
 #include "chrome/browser/extensions/image_loading_tracker.h"
 #include "chrome/browser/ui/gtk/bubble/bubble_gtk.h"
 #include "chrome/browser/ui/gtk/menu_gtk.h"
 #include "chrome/browser/ui/omnibox/location_bar.h"
 #include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
 #include "chrome/browser/ui/view_ids.h"
-#include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "chrome/common/content_settings_types.h"
 #include "chrome/common/extensions/extension_action.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/common/page_transition_types.h"
 #include "googleurl/src/gurl.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/base/animation/slide_animation.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/gtk/owned_widget_gtk.h"
@@ skipping 56 matching lines @@
 
   // Retrieves the GtkWidget which is associated with PageActionView
   // corresponding to |page_action|.
   GtkWidget* GetPageActionWidget(ExtensionAction* page_action);
 
   // Updates the location bar.  We also reset the bar's permanent text and
   // security style, and, if |tab_for_state_restoring| is non-NULL, also
   // restore saved state that the tab holds.
   void Update(const content::WebContents* tab_for_state_restoring);
 
-  // Show the zoom bubble.
-  void ShowZoomBubble(int zoom_percent);
-
   // Show the bookmark bubble.
   void ShowStarBubble(const GURL& url, bool newly_boomkarked);
 
   // Shows the Chrome To Mobile bubble.
   void ShowChromeToMobileBubble();
 
-  // Sets the tooltip for the zoom icon.
-  void SetZoomIconTooltipPercent(int zoom_percent);
+  // Shows the bookmark bubble.
+  void ShowZoomBubble();
 
-  // Sets the zoom icon state.
-  void SetZoomIconState(ZoomController::ZoomIconState zoom_icon_state);
+  // Happens when the zoom changes for the active tab. |can_show_bubble| will be
+  // true if it was a user action and a bubble could be shown.
+  void ZoomChangedForActiveTab(bool can_show_bubble);
 
   // Set the starred state of the bookmark star.
   void SetStarred(bool starred);
 
   // OmniboxEditController:
   virtual void OnAutocompleteAccept(const GURL& url,
                                     WindowOpenDisposition disposition,
                                     content::PageTransition transition,
                                     const GURL& alternate_nav_url) OVERRIDE;
   virtual void OnChanged() OVERRIDE;
@@ skipping 411 matching lines @@
   BooleanPrefMember edit_bookmarks_enabled_;
 
   // Used to remember the URL and title text when drag&drop has begun.
   GURL drag_url_;
   string16 drag_title_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarViewGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_LOCATION_BAR_VIEW_GTK_H_