Move font_list_async.h to content/public. Switch to Pass() goodness to simplify code.

content/common/font_list_win.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 "content/common/font_list.h"
 
 #include <windows.h>
 
 #include <set>
 
@@ skipping 11 matching lines @@
   if (font_names) {
     const LOGFONTW& lf = logical_font->elfLogFont;
     if (lf.lfFaceName[0] && lf.lfFaceName[0] != '@') {
       string16 face_name(lf.lfFaceName);
       font_names->insert(face_name);
     }
   }
   return 1;
 }
 
-ListValue* GetFontList_SlowBlocking() {
+scoped_ptr<ListValue> GetFontList_SlowBlocking() {
   std::set<string16> font_names;
 
   LOGFONTW logfont;
   memset(&logfont, 0, sizeof(logfont));
   logfont.lfCharSet = DEFAULT_CHARSET;
 
   HDC hdc = ::GetDC(NULL);
   ::EnumFontFamiliesExW(hdc, &logfont, (FONTENUMPROCW)&EnumFontFamExProc,
                         (LPARAM)&font_names, 0);
   ::ReleaseDC(NULL, hdc);
 
-  ListValue* font_list = new ListValue;
+  scoped_ptr<ListValue> font_list(new ListValue);
   std::set<string16>::iterator iter;
   for (iter = font_names.begin(); iter != font_names.end(); iter++) {
     ListValue* font_item = new ListValue();
     font_item->Append(Value::CreateStringValue(*iter));
     font_item->Append(Value::CreateStringValue(*iter));
     font_list->Append(font_item);
   }
-  return font_list;
+  return font_list.Pass();
 }
 
 }  // namespace content