Gtk3 ui: Add libgtk3ui as a separate build component

chrome/browser/ui/libgtk2ui/gtk2_signal.h

Index: chrome/browser/ui/libgtk2ui/gtk2_signal.h
diff --git a/chrome/browser/ui/libgtk2ui/gtk2_signal.h b/chrome/browser/ui/libgtk2ui/gtk2_signal.h
deleted file mode 100644
index 4643b98dc45bc62cdb723e4647b82075d3ec26d6..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/libgtk2ui/gtk2_signal.h
+++ /dev/null
@@ -1,68 +0,0 @@
-// Copyright (c) 2012 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_LIBGTK2UI_GTK2_SIGNAL_H_
-#define CHROME_BROWSER_UI_LIBGTK2UI_GTK2_SIGNAL_H_
-
-#include "ui/base/glib/glib_signal.h"
-
-typedef struct _GtkWidget GtkWidget;
-
-// These macros handle the common case where the sender object will be a
-// GtkWidget*.
-#define CHROMEGTK_CALLBACK_0(CLASS, RETURN, METHOD) \
-  CHROMEG_CALLBACK_0(CLASS, RETURN, METHOD, GtkWidget*);
-
-#define CHROMEGTK_CALLBACK_1(CLASS, RETURN, METHOD, ARG1) \
-  CHROMEG_CALLBACK_1(CLASS, RETURN, METHOD, GtkWidget*, ARG1);
-
-#define CHROMEGTK_CALLBACK_2(CLASS, RETURN, METHOD, ARG1, ARG2) \
-  CHROMEG_CALLBACK_2(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2);
-
-#define CHROMEGTK_CALLBACK_3(CLASS, RETURN, METHOD, ARG1, ARG2, ARG3) \
-  CHROMEG_CALLBACK_3(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2, ARG3);
-
-#define CHROMEGTK_CALLBACK_4(CLASS, RETURN, METHOD, ARG1, ARG2, ARG3, ARG4) \
-  CHROMEG_CALLBACK_4(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2, ARG3,   \
-                     ARG4);
-
-#define CHROMEGTK_CALLBACK_5(CLASS, RETURN, METHOD, ARG1, ARG2, ARG3, ARG4, \
-                             ARG5)                                          \
-  CHROMEG_CALLBACK_5(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2, ARG3,   \
-                     ARG4, ARG5);
-
-#define CHROMEGTK_CALLBACK_6(CLASS, RETURN, METHOD, ARG1, ARG2, ARG3, ARG4, \
-                             ARG5, ARG6)                                    \
-  CHROMEG_CALLBACK_6(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2, ARG3,   \
-                     ARG4, ARG5, ARG6);
-
-#define CHROMEGTK_VIRTUAL_CALLBACK_0(CLASS, RETURN, METHOD) \
-  CHROMEG_VIRTUAL_CALLBACK_0(CLASS, RETURN, METHOD, GtkWidget*);
-
-#define CHROMEGTK_VIRTUAL_CALLBACK_1(CLASS, RETURN, METHOD, ARG1) \
-  CHROMEG_VIRTUAL_CALLBACK_1(CLASS, RETURN, METHOD, GtkWidget*, ARG1);
-
-#define CHROMEGTK_VIRTUAL_CALLBACK_2(CLASS, RETURN, METHOD, ARG1, ARG2) \
-  CHROMEG_VIRTUAL_CALLBACK_2(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2);
-
-#define CHROMEGTK_VIRTUAL_CALLBACK_3(CLASS, RETURN, METHOD, ARG1, ARG2, ARG3) \
-  CHROMEG_VIRTUAL_CALLBACK_3(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2,   \
-                             ARG3);
-
-#define CHROMEGTK_VIRTUAL_CALLBACK_4(CLASS, RETURN, METHOD, ARG1, ARG2, ARG3, \
-                                     ARG4) \
-  CHROMEG_VIRTUAL_CALLBACK_4(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2,   \
-                             ARG3, ARG4);
-
-#define CHROMEGTK_VIRTUAL_CALLBACK_5(CLASS, RETURN, METHOD, ARG1, ARG2, ARG3, \
-                                     ARG4, ARG5)                              \
-  CHROMEG_VIRTUAL_CALLBACK_5(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2,   \
-                             ARG3, ARG4, ARG5);
-
-#define CHROMEGTK_VIRTUAL_CALLBACK_6(CLASS, RETURN, METHOD, ARG1, ARG2, ARG3, \
-                                     ARG4, ARG5, ARG6)                        \
-  CHROMEG_VIRTUAL_CALLBACK_6(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2,   \
-                             ARG3, ARG4, ARG5, ARG6);
-
-#endif  // CHROME_BROWSER_UI_LIBGTK2UI_GTK2_SIGNAL_H_