Implement tooltips for the Go/Stop button in Linux.

chrome/browser/gtk/location_bar_view_gtk.h

 // Copyright (c) 2009 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_GTK_LOCATION_BAR_VIEW_GTK_H_
 #define CHROME_BROWSER_GTK_LOCATION_BAR_VIEW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/autocomplete/autocomplete_edit.h"
+#include "chrome/browser/autocomplete/autocomplete_edit_view_gtk.h"
 #include "chrome/browser/location_bar.h"
 #include "chrome/common/owned_widget_gtk.h"
 #include "chrome/common/page_transition_types.h"
 #include "webkit/glue/window_open_disposition.h"
 
 class AutocompleteEditViewGtk;
 class CommandUpdater;
 class Profile;
 class SkBitmap;
 class TabContents;
@@ skipping 11 matching lines @@
   void SetProfile(Profile* profile);
 
   // Returns the widget the caller should host.  You must call Init() first.
   GtkWidget* widget() { return outer_bin_.get(); }
 
   // 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 TabContents* tab_for_state_restoring);
 
+  AutocompleteEditView* location_entry() {
+    return location_entry_.get();
+  }
+
   // Implement the AutocompleteEditController interface.
   virtual void OnAutocompleteAccept(const GURL& url,
       WindowOpenDisposition disposition,
       PageTransition::Type transition,
       const GURL& alternate_nav_url);
   virtual void OnChanged();
   virtual void OnInputInProgress(bool in_progress);
   virtual SkBitmap GetFavIcon() const;
   virtual std::wstring GetTitle() const;
 
@@ skipping 31 matching lines @@
   // The user's desired disposition for how their input should be opened
   WindowOpenDisposition disposition_;
 
   // The transition type to use for the navigation
   PageTransition::Type transition_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarViewGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_LOCATION_BAR_VIEW_GTK_H_