Move SendAutofillTypePredictions() into AutofillDriver.

components/autofill/core/common/form_data_predictions.h

 // Copyright 2013 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 COMPONENTS_AUTOFILL_CORE_COMMON_FORM_DATA_PREDICTIONS_H__
 #define COMPONENTS_AUTOFILL_CORE_COMMON_FORM_DATA_PREDICTIONS_H__
 
 #include <string>
 #include <vector>
 
 #include "components/autofill/core/common/form_data.h"
 #include "components/autofill/core/common/form_field_data_predictions.h"
 
 namespace autofill {
 
 // Holds information about a form to be filled and/or submitted.
 struct FormDataPredictions {
   // Data for this form.
   FormData data;
   // The form signature for communication with the crowdsourcing server.
   std::string signature;
   // The experiment id for the server predictions.
   std::string experiment_id;
   // The form fields and their predicted field types.
   std::vector<FormFieldDataPredictions> fields;
 
   FormDataPredictions();
   FormDataPredictions(const FormDataPredictions& other);
   ~FormDataPredictions();
+
+  // Added for the sake of testing.
+  bool operator==(const FormDataPredictions& predictions) const;
+  bool operator!=(const FormDataPredictions& predictions) const;
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_COMMON_FORM_DATA_PREDICTIONS_H__