Panel auto-resize for GTK.

chrome/browser/ui/panels/panel.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/panels/panel.h"
 
 #include "base/logging.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 518 matching lines @@
 void Panel::RequestRenderViewHostToDisableScrollbars(
     RenderViewHost* render_view_host) {
   DCHECK(render_view_host);
 
   gfx::Size non_client_size = native_panel_->GetNonClientAreaExtent();
   render_view_host->DisableScrollbarsForThreshold(
       gfx::Size(max_size_.width() - non_client_size.width(),
                 max_size_.height() - non_client_size.height()));
 }
 
+void Panel::OnNonClientAreaSizeKnown() {
+  RequestRenderViewHostToDisableScrollbars(GetRenderViewHost());
+}
+
 Browser* Panel::browser() const {
   return native_panel_->GetPanelBrowser();
 }
 
 void Panel::DestroyBrowser() {
   native_panel_->DestroyPanelBrowser();
 }