[Autofill] Enable Autofill for dynamically created forms.

components/autofill/core/common/form_data.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/common/form_data.h"
 
 #include "base/pickle.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/common/form_field_data.h"
@@ skipping 61 matching lines @@
          origin == form.origin &&
          action == form.action &&
          user_submitted == form.user_submitted &&
          fields == form.fields;
 }
 
 bool FormData::operator!=(const FormData& form) const {
   return !operator==(form);
 }
 
+bool FormData::operator<(const FormData& form) const {
+  if (name != form.name)
+    return name < form.name;
+  if (StringToLowerASCII(method) != StringToLowerASCII(form.method))
+    return StringToLowerASCII(method) < StringToLowerASCII(form.method);
+  if (origin != form.origin)
+    return origin < form.origin;
+  if (action != form.action)
+    return action < form.action;
+  if (user_submitted != form.user_submitted)
+    return user_submitted < form.user_submitted;
+  return fields < form.fields;
+}
+
 std::ostream& operator<<(std::ostream& os, const FormData& form) {
   os << base::UTF16ToUTF8(form.name) << " "
      << base::UTF16ToUTF8(form.method) << " "
      << form.origin << " "
      << form.action << " "
      << form.user_submitted << " "
      << "Fields:";
   for (size_t i = 0; i < form.fields.size(); ++i) {
     os << form.fields[i] << ",";
   }
@@ skipping 32 matching lines @@
     }
     default: {
       LOG(ERROR) << "Unknown FormData pickle version " << version;
       return false;
     }
   }
   return true;
 }
 
 }  // namespace autofill