Revert half of the changes from 137638 that are probably causing breakages in

chrome/browser/ui/gtk/location_bar_view_gtk.h

Index: chrome/browser/ui/gtk/location_bar_view_gtk.h
diff --git a/chrome/browser/ui/gtk/location_bar_view_gtk.h b/chrome/browser/ui/gtk/location_bar_view_gtk.h
index 3f3d4d84922555d7946b0a84e66b84a8e7fb0a55..4a0fbceb749b40ed981e37203c0f048863f9b916 100644
--- a/chrome/browser/ui/gtk/location_bar_view_gtk.h
+++ b/chrome/browser/ui/gtk/location_bar_view_gtk.h
@@ -9,7 +9,6 @@
 #include <gtk/gtk.h>
 
 #include <map>
-#include <set>
 #include <string>
 
 #include "base/basictypes.h"
@@ -19,7 +18,6 @@
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/autocomplete/autocomplete_edit.h"
 #include "chrome/browser/command_updater.h"
-#include "chrome/browser/extensions/action_box_controller.h"
 #include "chrome/browser/extensions/extension_context_menu_model.h"
 #include "chrome/browser/extensions/image_loading_tracker.h"
 #include "chrome/browser/prefs/pref_member.h"
@@ -80,9 +78,10 @@ class LocationBarViewGtk : public AutocompleteEditController,
   // Returns the current WebContents.
   content::WebContents* GetWebContents() const;
 
-  // If |preview_enabled| is true, the view will display the
-  // This is used by the ExtensionInstalledBubbleGtk to preview what the icon
+  // Sets |preview_enabled| for the PageActionViewGtk associated with this
+  // |page_action|. If |preview_enabled| is true, the view will display the
   // page action's icon even though it has not been activated by the extension.
+  // This is used by the ExtensionInstalledBubbleGtk to preview what the icon
   // will look like for the user upon installation of the extension.
   void SetPreviewEnabledPageAction(ExtensionAction *page_action,
                                    bool preview_enabled);
@@ -229,10 +228,16 @@ class LocationBarViewGtk : public AutocompleteEditController,
 
     ExtensionAction* page_action() { return page_action_; }
 
-    // Called to notify the PageAction that it should update based on the state
-    // of |page_action_|. |contents| is the WebContents that is active, |url|
+    void set_preview_enabled(bool preview_enabled) {
+      preview_enabled_ = preview_enabled;
+    }
+
+    bool IsVisible();
+
+    // Called to notify the PageAction that it should determine whether to be
+    // visible or hidden. |contents| is the WebContents that is active, |url|
     // is the current page URL.
-    void Update(content::WebContents* contents, const GURL& url);
+    void UpdateVisibility(content::WebContents* contents, const GURL& url);
 
     // A callback from ImageLoadingTracker for when the image has loaded.
     virtual void OnImageLoaded(const gfx::Image& image,
@@ -311,6 +316,10 @@ class LocationBarViewGtk : public AutocompleteEditController,
     // The keybinding accelerator registered to show the page action popup.
     scoped_ptr<ui::AcceleratorGtk> keybinding_;
 
+    // This is used for post-install visual feedback. The page_action icon
+    // is briefly shown even if it hasn't been enabled by its extension.
+    bool preview_enabled_;
+
     // The context menu view and model for this extension action.
     scoped_ptr<MenuGtk> context_menu_;
     scoped_refptr<ExtensionContextMenuModel> context_menu_model_;
@@ -484,9 +493,6 @@ class LocationBarViewGtk : public AutocompleteEditController,
   // Used to change the visibility of the star decoration.
   BooleanPrefMember edit_bookmarks_enabled_;
 
-  // The extension actions which have "preview enabled".
-  std::set<ExtensionAction*> preview_enabled_actions_;
-
   DISALLOW_COPY_AND_ASSIGN(LocationBarViewGtk);
 };