[Autofill] Don't save autocomplete text entered into fields with autocomplete="off"

components/autofill/core/browser/autocomplete_history_manager.cc

 // 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.
 
 #include "components/autofill/core/browser/autocomplete_history_manager.h"
 
 #include <vector>
 
 #include "base/prefs/pref_service.h"
 #include "base/profiler/scoped_profile.h"
@@ skipping 108 matching lines @@
     return;
 
   // Don't save data that was submitted through JavaScript.
   if (!form.user_submitted)
     return;
 
   // We put the following restriction on stored FormFields:
   //  - non-empty name
   //  - non-empty value
   //  - text field
+  //  - autocomplete is not disabled
   //  - value is not a credit card number
   //  - value is not a SSN
   std::vector<FormFieldData> values;
   for (std::vector<FormFieldData>::const_iterator iter =
            form.fields.begin();
        iter != form.fields.end(); ++iter) {
     if (!iter->value.empty() &&
         !iter->name.empty() &&
         IsTextField(*iter) &&
+        iter->should_autocomplete &&
         !autofill::IsValidCreditCardNumber(iter->value) &&
         !autofill::IsSSN(iter->value)) {
       values.push_back(*iter);
     }
   }
 
   if (!values.empty() && database_.get())
     database_->AddFormFields(values);
 }
 
@@ skipping 46 matching lines @@
                                             autofill_unique_ids_);
 
   query_id_ = 0;
   autofill_values_.clear();
   autofill_labels_.clear();
   autofill_icons_.clear();
   autofill_unique_ids_.clear();
 }
 
 }  // namespace autofill