[Autofill] Enable Autofill for dynamically created forms.

components/autofill/core/common/form_data.cc

Index: components/autofill/core/common/form_data.cc
diff --git a/components/autofill/core/common/form_data.cc b/components/autofill/core/common/form_data.cc
index 534a231483d84e52c051cb9d3936e37a35c1a034..3adc4c33927cf1bef0176f1d96862b12d918d23c 100644
--- a/components/autofill/core/common/form_data.cc
+++ b/components/autofill/core/common/form_data.cc
@@ -79,6 +79,20 @@ 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) << " "