Implement BrowserList::AllBrowsersClosed for Linux.

views/window/window_gtk.cc

 // Copyright (c) 2009 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 "views/window/window_gtk.h"
 
 #include "app/gfx/path.h"
 #include "app/l10n_util.h"
 #include "base/gfx/rect.h"
 #include "views/screen.h"
@@ skipping 72 matching lines @@
                                    const gfx::Rect& bounds,
                                    WindowDelegate* window_delegate) {
   WindowGtk* window = new WindowGtk(window_delegate);
   window->GetNonClientView()->SetFrameView(window->CreateFrameViewForWindow());
   window->Init(parent, bounds);
   return window;
 }
 
 // static
 void Window::CloseAllSecondaryWindows() {
-  for (GList* window = gtk_window_list_toplevels(); window;
+  GList* windows = gtk_window_list_toplevels();
+  for (GList* window = windows; window;
        window = g_list_next(window)) {
     Window::CloseSecondaryWidget(
         WidgetGtk::GetViewForNative(GTK_WIDGET(window->data)));
   }
+  g_list_free(windows);
 }
 
 gfx::Rect WindowGtk::GetBounds() const {
   gfx::Rect bounds;
   WidgetGtk::GetBounds(&bounds, true);
   return bounds;
 }
 
 gfx::Rect WindowGtk::GetNormalBounds() const {
   // We currently don't support tiling, so this doesn't matter.
@@ skipping 346 matching lines @@
     center_rect = Screen::GetMonitorWorkAreaNearestWindow(GetNativeWindow());
   }
   gfx::Size size = non_client_view_->GetPreferredSize();
   gfx::Rect bounds(center_rect.x() + (center_rect.width() - size.width()) / 2,
                    center_rect.y() + (center_rect.height() - size.height()) / 2,
                    size.width(), size.height());
   SetBounds(bounds, NULL);
 }
 
 }  // namespace views