Convert GetPreferredSize from:...

chrome/views/hwnd_view_container.cc

 // Copyright (c) 2006-2008 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/views/hwnd_view_container.h"
 
 #include "base/gfx/native_theme.h"
 #include "base/string_util.h"
 #include "base/win_util.h"
 #include "chrome/app/chrome_dll_resource.h"
@@ skipping 41 matching lines @@
 void FillLayout::Layout(View* host) {
   CRect bounds;
   host->GetViewContainer()->GetBounds(&bounds, false);
   if (host->GetChildViewCount() == 0)
     return;
 
   View* frame_view = host->GetChildViewAt(0);
   frame_view->SetBounds(CRect(CPoint(0, 0), bounds.Size()));
 }
 
-void FillLayout::GetPreferredSize(View* host, CSize* out) {
+gfx::Size FillLayout::GetPreferredSize(View* host) {
   DCHECK(host->GetChildViewCount() == 1);
-  host->GetChildViewAt(0)->GetPreferredSize(out);
+  return host->GetChildViewAt(0)->GetPreferredSize();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Window class tracking.
 
 // static
 const wchar_t* const HWNDViewContainer::kBaseClassName =
     L"Chrome_HWNDViewContainer_";
 
 // Window class information used for registering unique windows.
@@ skipping 844 matching lines @@
     result = DefWindowProc(window, message, w_param, l_param);
   if (message == WM_NCDESTROY) {
     vc->hwnd_ = NULL;
     vc->OnFinalMessage(window);
   }
   return result;
 }
 
 }  // namespace ChromeViews