gtk: Rename OnDialogResponse() to OnResponse() to standardize on a consistent naming scheme.

chrome/browser/ui/gtk/instant_confirm_dialog_gtk.h

 // Copyright (c) 2011 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_UI_GTK_INSTANT_CONFIRM_DIALOG_GTK_H_
 #define CHROME_BROWSER_UI_GTK_INSTANT_CONFIRM_DIALOG_GTK_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "ui/base/gtk/gtk_signal.h"
 
 class Profile;
+
+typedef struct _GtkWidget GtkWidget;
 typedef struct _GtkWindow GtkWindow;
 
 // A dialog that explains some of the privacy implications surrounding instant.
 // Shown when the user enables instant for the first time.
 class InstantConfirmDialogGtk {
  public:
   InstantConfirmDialogGtk(GtkWindow* parent, Profile* profile);
   ~InstantConfirmDialogGtk();
 
  private:
-  CHROMEGTK_CALLBACK_1(InstantConfirmDialogGtk, void, OnDialogResponse, int);
+  CHROMEGTK_CALLBACK_1(InstantConfirmDialogGtk, void, OnResponse, int);
   CHROMEGTK_CALLBACK_0(InstantConfirmDialogGtk, void, OnLinkButtonClicked);
 
   GtkWidget* dialog_;
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantConfirmDialogGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_INSTANT_CONFIRM_DIALOG_GTK_H_