Gtk3 ui: Add libgtk3ui as a separate build component

chrome/browser/ui/libgtkui/gtk2_ui.h

Index: chrome/browser/ui/libgtkui/gtk2_ui.h
diff --git a/chrome/browser/ui/libgtk2ui/gtk2_ui.h b/chrome/browser/ui/libgtkui/gtk2_ui.h
similarity index 95%
rename from chrome/browser/ui/libgtk2ui/gtk2_ui.h
rename to chrome/browser/ui/libgtkui/gtk2_ui.h
index e883e658594795a1dd8a390ef7624b9160c9a5fb..4c9624678215cea188bf2f5320c9185b312b4d77 100644
--- a/chrome/browser/ui/libgtk2ui/gtk2_ui.h
+++ b/chrome/browser/ui/libgtkui/gtk2_ui.h
@@ -2,8 +2,8 @@
 // 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_UI_H_
-#define CHROME_BROWSER_UI_LIBGTK2UI_GTK2_UI_H_
+#ifndef CHROME_BROWSER_UI_LIBGTKUI_GTK2_UI_H_
+#define CHROME_BROWSER_UI_LIBGTKUI_GTK2_UI_H_
 
 #include <map>
 #include <memory>
@@ -12,8 +12,8 @@
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
-#include "chrome/browser/ui/libgtk2ui/gtk2_signal.h"
-#include "chrome/browser/ui/libgtk2ui/libgtk2ui_export.h"
+#include "chrome/browser/ui/libgtkui/gtk2_signal.h"
+#include "chrome/browser/ui/libgtkui/libgtkui_export.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/views/linux_ui/linux_ui.h"
 #include "ui/views/window/frame_buttons.h"
@@ -23,7 +23,7 @@ typedef struct _GtkWidget GtkWidget;
 
 class SkBitmap;
 
-namespace libgtk2ui {
+namespace libgtkui {
 class Gtk2KeyBindingsHandler;
 class GConfListener;
 
@@ -205,13 +205,13 @@ class Gtk2UI : public views::LinuxUI {
   DISALLOW_COPY_AND_ASSIGN(Gtk2UI);
 };
 
-}  // namespace libgtk2ui
+}  // namespace libgtkui
 
 // Access point to the GTK2 desktop system. This should be the only symbol that
 // is exported in the library; everything else should be used through the
 // interface, because eventually this .so will be loaded through dlopen at
 // runtime so our main binary can conditionally load GTK2 or GTK3 or EFL or
 // QT or whatever.
-LIBGTK2UI_EXPORT views::LinuxUI* BuildGtk2UI();
+LIBGTKUI_EXPORT views::LinuxUI* BuildGtk2UI();
 
-#endif  // CHROME_BROWSER_UI_LIBGTK2UI_GTK2_UI_H_
+#endif  // CHROME_BROWSER_UI_LIBGTKUI_GTK2_UI_H_