Aura desktop: Fix tab dragging within a single chrome window.

chrome/browser/ui/gtk/gtk_util.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/gtk_util.h"
 
 #include <cairo/cairo.h>
 
 #include <algorithm>
 #include <cstdarg>
@@ skipping 499 matching lines @@
   GtkWidget* centering_vbox = gtk_vbox_new(FALSE, 0);
   gtk_box_pack_start(GTK_BOX(centering_vbox), widget, TRUE, FALSE, 0);
   if (pack_at_end)
     gtk_box_pack_end(GTK_BOX(hbox), centering_vbox, FALSE, FALSE, padding);
   else
     gtk_box_pack_start(GTK_BOX(hbox), centering_vbox, FALSE, FALSE, padding);
 
   return centering_vbox;
 }
 
-void EnumerateTopLevelWindows(ui::EnumerateWindowsDelegate* delegate) {
-  std::vector<XID> stack;
-  if (!ui::GetXWindowStack(ui::GetX11RootWindow(), &stack)) {
-    // Window Manager doesn't support _NET_CLIENT_LIST_STACKING, so fall back
-    // to old school enumeration of all X windows.  Some WMs parent 'top-level'
-    // windows in unnamed actual top-level windows (ion WM), so extend the
-    // search depth to all children of top-level windows.
-    const int kMaxSearchDepth = 1;
-    ui::EnumerateAllWindows(delegate, kMaxSearchDepth);
-    return;
-  }
-
-  std::vector<XID>::iterator iter;
-  for (iter = stack.begin(); iter != stack.end(); iter++) {
-    if (delegate->ShouldStopIterating(*iter))
-      return;
-  }
-}
-
 void SetButtonClickableByMouseButtons(GtkWidget* button,
                                       bool left, bool middle, bool right) {
   gint button_mask = 0;
   if (left)
     button_mask |= 1 << 1;
   if (middle)
     button_mask |= 1 << 2;
   if (right)
     button_mask |= 1 << 3;
   void* userdata = GINT_TO_POINTER(button_mask);
@@ skipping 507 matching lines @@
 
 void DoCopy(BrowserWindow* window) {
   DoCutCopyPaste(window, &RenderWidgetHost::Copy, "copy-clipboard");
 }
 
 void DoPaste(BrowserWindow* window) {
   DoCutCopyPaste(window, &RenderWidgetHost::Paste, "paste-clipboard");
 }
 
 }  // namespace gtk_util