Support painting panels with chromium themes on GTK.

chrome/browser/ui/panels/panel_browser_view.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/panels/panel_browser_view.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "chrome/browser/native_window_notification_source.h"
 #include "chrome/browser/ui/panels/display_settings_provider.h"
@@ skipping 405 matching lines @@
 }
 
 Browser* PanelBrowserView::GetPanelBrowser() const {
   return browser();
 }
 
 void PanelBrowserView::DestroyPanelBrowser() {
   DestroyBrowser();
 }
 
-gfx::Size PanelBrowserView::IconOnlySize() const {
-  return GetFrameView()->IconOnlySize();
-}
-
 void PanelBrowserView::EnsurePanelFullyVisible() {
 #if defined(OS_WIN) && !defined(USE_AURA)
   ::SetWindowPos(GetNativeHandle(), HWND_TOP, 0, 0, 0, 0,
                  SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
 #else
   NOTIMPLEMENTED();
 #endif
 }
 
 PanelBrowserFrameView* PanelBrowserView::GetFrameView() const {
@@ skipping 264 matching lines @@
       return frame_view->close_button_->visible();
     case MINIMIZE_BUTTON:
       return frame_view->minimize_button_->visible();
     case RESTORE_BUTTON:
       return frame_view->restore_button_->visible();
     default:
       NOTREACHED();
   }
   return false;
 }