Store plug-in enabled/disabled state in PluginPrefs instead of WebPluginInfo.

webkit/plugins/npapi/plugin_lib_mac.mm

 // 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.
 
 #import <Carbon/Carbon.h>
 
 #include "webkit/plugins/npapi/plugin_lib.h"
 
 #include "base/mac/scoped_cftyperef.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 107 matching lines @@
     info->name = base::SysNSStringToUTF16(plugin_name);
   else
     info->name = UTF8ToUTF16(filename.BaseName().value());
   info->path = filename;
   if (plugin_vers)
     info->version = base::SysNSStringToUTF16(plugin_vers);
   if (plugin_desc)
     info->desc = base::SysNSStringToUTF16(plugin_desc);
   else
     info->desc = UTF8ToUTF16(filename.BaseName().value());
-  info->enabled = WebPluginInfo::USER_ENABLED;
 
   return true;
 }
 
 }  // anonymous namespace
 
 bool PluginLib::ReadWebPluginInfo(const FilePath &filename,
                                   WebPluginInfo* info) {
   // There are three ways to get information about plugin capabilities:
   // 1) a set of Info.plist keys, documented at
@@ skipping 62 matching lines @@
   if (ReadPlistPluginInfo(filename, bundle.get(), info))
     return true;
 
   // ... or not
 
   return false;
 }
 
 }  // namespace npapi
 }  // namespace webkit