Add exports needed for glue to build as a component.

webkit/glue/form_field_predictions.h

 // 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.
 
 #ifndef WEBKIT_GLUE_FORM_FIELD_PREDICTIONS_H_
 #define WEBKIT_GLUE_FORM_FIELD_PREDICTIONS_H_
 
 #include <string>
 #include <vector>
 
 #include "webkit/glue/form_field.h"
+#include "webkit/glue/webkit_glue_export.h"
 
 namespace webkit_glue {
 
 // Stores information about a field in a form.
-struct FormFieldPredictions {
+struct WEBKIT_GLUE_EXPORT FormFieldPredictions {
   FormFieldPredictions();
   FormFieldPredictions(const FormFieldPredictions& other);
   ~FormFieldPredictions();
 
   FormField field;
   std::string signature;
   std::string heuristic_type;
   std::string server_type;
   std::string overall_type;
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_FORM_FIELD_PREDICTIONS_H_