browser/ui: Share BookmarkBarInstructions delegate between gtk and views.

chrome/browser/ui/gtk/bookmarks/bookmark_bar_instructions_gtk.h

Index: chrome/browser/ui/gtk/bookmarks/bookmark_bar_instructions_gtk.h
diff --git a/chrome/browser/ui/gtk/bookmarks/bookmark_bar_instructions_gtk.h b/chrome/browser/ui/gtk/bookmarks/bookmark_bar_instructions_gtk.h
index 42dc39cfb14ccaa34fd389d3c40821e9a5e296f1..a4205255e73066fcaf182e481578c7aa89e9a1e4 100644
--- a/chrome/browser/ui/gtk/bookmarks/bookmark_bar_instructions_gtk.h
+++ b/chrome/browser/ui/gtk/bookmarks/bookmark_bar_instructions_gtk.h
@@ -15,19 +15,14 @@ typedef struct _GtkWidget GtkWidget;
 class GtkThemeService;
 class Profile;
 
+namespace chrome {
+class BookmarkBarInstructionsDelegate;
+}
+
 class BookmarkBarInstructionsGtk : public content::NotificationObserver {
  public:
-  // The delegate is notified once the user clicks on the link to import
-  // bookmarks.
-  class Delegate {
-   public:
-    virtual void ShowImportDialog() = 0;
-
-   protected:
-    virtual ~Delegate() {}
-  };
-
-  BookmarkBarInstructionsGtk(Delegate* delegate, Profile* profile);
+  BookmarkBarInstructionsGtk(chrome::BookmarkBarInstructionsDelegate* delegate,
+                             Profile* profile);
 
   // Get the native widget.
   GtkWidget* widget() const { return instructions_hbox_; }
@@ -43,7 +38,7 @@ class BookmarkBarInstructionsGtk : public content::NotificationObserver {
   // Sets the correct color for |instructions_label_| and |instructions_link_|.
   void UpdateColors();
 
-  Delegate* delegate_;
+  chrome::BookmarkBarInstructionsDelegate* delegate_;
 
   Profile* profile_;