[Autofill] Remove longest common prefix from field names when running heuristics.

components/autofill/core/browser/autofill_field.cc

Index: components/autofill/core/browser/autofill_field.cc
diff --git a/components/autofill/core/browser/autofill_field.cc b/components/autofill/core/browser/autofill_field.cc
index 145d7a04dd692d4c82c087076cd385bd6b86fae4..ef849fef2d3385871f8c458550ff4e3493a88764 100644
--- a/components/autofill/core/browser/autofill_field.cc
+++ b/components/autofill/core/browser/autofill_field.cc
@@ -443,7 +443,8 @@ AutofillField::AutofillField(const FormFieldData& field,
       html_mode_(HTML_MODE_NONE),
       phone_part_(IGNORED),
       credit_card_number_offset_(0),
-      previously_autofilled_(false) {}
+      previously_autofilled_(false),
+      parseable_name_(field.name) {}
 
 AutofillField::~AutofillField() {}