reland r57885 with a fix for linux/views.

chrome/browser/gtk/focus_store_gtk.h

Index: chrome/browser/gtk/focus_store_gtk.h
diff --git a/chrome/browser/gtk/focus_store_gtk.h b/chrome/browser/gtk/focus_store_gtk.h
index ce3b68b1d7ec4908e0e3418d05969ce1d4988d60..2159f1eb73ddd30e2db6d7908eae45408e3fa18b 100644
--- a/chrome/browser/gtk/focus_store_gtk.h
+++ b/chrome/browser/gtk/focus_store_gtk.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -19,9 +19,12 @@ class FocusStoreGtk {
   GtkWidget* widget() const { return widget_; }
 
   // Save the widget that is currently focused for |widget|'s toplevel (NOT
-  // |widget|). Call with NULL to clear |widget_|.
+  // |widget|).
   void Store(GtkWidget* widget);
 
+  // Save |widget| as the focus widget. Call with NULL to clear |widget_|.
+  void SetWidget(GtkWidget* widget);
+
  private:
   // Disconnect the previous destroy handler (if any).
   void DisconnectDestroyHandler();