linux: delete code that worked around gtk <2.18

chrome/browser/ui/gtk/gtk_util.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/gtk_util.h"
 
 #include <cairo/cairo.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 
@@ skipping 366 matching lines @@
 
   // Move to user expected desktop if window is already visible.
   if (GTK_WIDGET(window)->window) {
     ui::ChangeWindowDesktop(
         ui::GetX11WindowFromGtkWidget(GTK_WIDGET(window)),
         ui::GetX11WindowFromGtkWidget(GTK_WIDGET(parent)));
   }
 }
 
 void MakeAppModalWindowGroup() {
-#if GTK_CHECK_VERSION(2, 14, 0)
   // Older versions of GTK+ don't give us gtk_window_group_list() which is what
   // we need to add current non-browser modal dialogs to the list. If
   // we have 2.14+ we can do things the correct way.
   GtkWindowGroup* window_group = gtk_window_group_new();
   for (BrowserList::const_iterator it = BrowserList::begin();
        it != BrowserList::end(); ++it) {
     // List all windows in this current group
     GtkWindowGroup* old_group =
         gtk_window_get_group((*it)->window()->GetNativeHandle());
 
     GList* all_windows = gtk_window_group_list_windows(old_group);
     for (GList* window = all_windows; window; window = window->next) {
       gtk_window_group_add_window(window_group, GTK_WINDOW(window->data));
     }
     g_list_free(all_windows);
   }
   g_object_unref(window_group);
-#else
-  // Otherwise just grab all browser windows and be slightly broken.
-  GtkWindowGroup* window_group = gtk_window_group_new();
-  for (BrowserList::const_iterator it = BrowserList::begin();
-       it != BrowserList::end(); ++it) {
-    gtk_window_group_add_window(window_group,
-                                (*it)->window()->GetNativeHandle());
-  }
-  g_object_unref(window_group);
-#endif
 }
 
 void AppModalDismissedUngroupWindows() {
-#if GTK_CHECK_VERSION(2, 14, 0)
   if (BrowserList::begin() != BrowserList::end()) {
     std::vector<GtkWindow*> transient_windows;
 
     // All windows should be part of one big modal group right now.
     GtkWindowGroup* window_group = gtk_window_get_group(
         (*BrowserList::begin())->window()->GetNativeHandle());
     GList* windows = gtk_window_group_list_windows(window_group);
 
     for (GList* item = windows; item; item = item->next) {
       GtkWindow* window = GTK_WINDOW(item->data);
       GtkWindow* transient_for = gtk_window_get_transient_for(window);
       if (transient_for) {
         transient_windows.push_back(window);
       } else {
         GtkWindowGroup* window_group = gtk_window_group_new();
         gtk_window_group_add_window(window_group, window);
         g_object_unref(window_group);
       }
     }
 
     // Put each transient window in the same group as its transient parent.
     for (std::vector<GtkWindow*>::iterator it = transient_windows.begin();
          it != transient_windows.end(); ++it) {
       GtkWindow* transient_parent = gtk_window_get_transient_for(*it);
       GtkWindowGroup* group = gtk_window_get_group(transient_parent);
       gtk_window_group_add_window(group, *it);
     }
   }
-#else
-  // This is slightly broken in the case where a different window had a dialog,
-  // but its the best we can do since we don't have newer gtk stuff.
-  for (BrowserList::const_iterator it = BrowserList::begin();
-       it != BrowserList::end(); ++it) {
-    GtkWindowGroup* window_group = gtk_window_group_new();
-    gtk_window_group_add_window(window_group,
-                                (*it)->window()->GetNativeHandle());
-    g_object_unref(window_group);
-  }
-#endif
 }
 
 void RemoveAllChildren(GtkWidget* container) {
   gtk_container_foreach(GTK_CONTAINER(container), RemoveWidget, container);
 }
 
 void ForceFontSizePixels(GtkWidget* widget, double size_pixels) {
   PangoFontDescription* font_desc = pango_font_description_new();
   // pango_font_description_set_absolute_size sets the font size in device
   // units, which for us is pixels.
@@ skipping 814 matching lines @@
 
 void DoCopy(BrowserWindow* window) {
   DoCutCopyPaste(window, &RenderViewHost::Copy, "copy-clipboard");
 }
 
 void DoPaste(BrowserWindow* window) {
   DoCutCopyPaste(window, &RenderViewHost::Paste, "paste-clipboard");
 }
 
 }  // namespace gtk_util