Establish components/autofill and move some files

components/autofill/common/form_field_data.h

 // 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.
 
-#ifndef CHROME_COMMON_FORM_FIELD_DATA_H_
-#define CHROME_COMMON_FORM_FIELD_DATA_H_
+#ifndef COMPONENTS_AUTOFILL_COMMON_FORM_FIELD_DATA_H_
+#define COMPONENTS_AUTOFILL_COMMON_FORM_FIELD_DATA_H_
 
 #include <vector>
 
 #include "base/string16.h"
 
 // Stores information about a field in a form.
 struct FormFieldData {
   FormFieldData();
   ~FormFieldData();
 
@@ skipping 35 matching lines @@
     EXPECT_EQ(expected.name, actual.name); \
     EXPECT_EQ(expected.value, actual.value); \
     EXPECT_EQ(expected.form_control_type, actual.form_control_type); \
     EXPECT_EQ(expected.autocomplete_attribute, actual.autocomplete_attribute); \
     EXPECT_EQ(expected.max_length, actual.max_length); \
     EXPECT_EQ(expected.is_autofilled, actual.is_autofilled); \
     EXPECT_EQ(expected.is_checked, actual.is_checked); \
     EXPECT_EQ(expected.is_checkable, actual.is_checkable); \
   } while (0)
 
-#endif  // CHROME_COMMON_FORM_FIELD_DATA_H_
+#endif  // COMPONENTS_AUTOFILL_COMMON_FORM_FIELD_DATA_H_