Add support for WEBKIT_USE_NEW_WEBFILESYSTEMTYPE

chrome/renderer/extensions/sync_file_system_custom_bindings.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/renderer/extensions/sync_file_system_custom_bindings.h"
 
 #include <string>
 
 #include "chrome/common/extensions/extension_constants.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
@@ skipping 32 matching lines @@
     return v8::Undefined();
   }
   std::string root_url(*v8::String::Utf8Value(args[1]));
   if (root_url.empty()) {
     NOTREACHED();
     return v8::Undefined();
   }
 
   WebKit::WebFrame* webframe =
       WebKit::WebFrame::frameForContext(v8_context());
-  return webframe->createFileSystem(WebKit::WebFileSystem::TypeExternal,
+  return webframe->createFileSystem(
+#ifdef WEBKIT_USE_NEW_WEBFILESYSTEMTYPE
+                                    WebKit::WebFileSystemTypeExternal,
+#else
+                                    WebKit::WebFileSystem::TypeExternal,
+#endif
                                     WebKit::WebString::fromUTF8(name),
                                     WebKit::WebString::fromUTF8(root_url));
 }
 
 }  // namespace extensions