Reduce boxing and unboxing of AutofillFieldType

chrome/browser/autofill/autofill_merge_unittest.cc

 // 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.
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 35 matching lines @@
 // Serializes the |profiles| into a string.
 std::string SerializeProfiles(const std::vector<AutofillProfile*>& profiles) {
   std::string result;
   for (size_t i = 0; i < profiles.size(); ++i) {
     result += kProfileSeparator;
     result += "\n";
     for (size_t j = 0; j < arraysize(kProfileFieldTypes); ++j) {
       AutofillFieldType type = kProfileFieldTypes[j];
       result += AutofillType::FieldTypeToString(type);
       result += kFieldSeparator;
-      result += UTF16ToUTF8(profiles[i]->GetFieldText(AutofillType(type)));
+      result += UTF16ToUTF8(profiles[i]->GetFieldText(type));
       result += "\n";
     }
   }
 
   return result;
 }
 
 class PersonalDataManagerMock : public PersonalDataManager {
  public:
   PersonalDataManagerMock();
@@ skipping 146 matching lines @@
     }
   }
 
   *merged_profiles = SerializeProfiles(personal_data_->web_profiles());
 }
 
 TEST_F(AutoFillMergeTest, DataDrivenMergeProfiles) {
   RunDataDrivenTest(GetInputDirectory(kTestName), GetOutputDirectory(kTestName),
                     kFileNamePattern);
 }