Fixes compile bugs for views on gtk.

views/view_gtk.cc

 // 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.
 
 #include "views/view.h"
 
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
 
 namespace views {
 
-FocusManager* View::GetFocusManager() {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
 void View::DoDrag(const MouseEvent& e, int press_x, int press_y) {
   NOTIMPLEMENTED();
 }
 
 ViewAccessibilityWrapper* View::GetViewAccessibilityWrapper() {
   NOTIMPLEMENTED();
   return NULL;
 }
 
 void View::Focus() {
@@ skipping 15 matching lines @@
     drag_threshold = value;
   return drag_threshold;
 }
 
 int View::GetVerticalDragThreshold() {
   // Vertical and horizontal drag threshold are the same in Gtk.
   return GetHorizontalDragThreshold();
 }
 
 }  // namespace views