Remove Autofill support for the ECML standard, as it is virtually unused.

chrome/browser/autofill/form_field.h

Index: chrome/browser/autofill/form_field.h
diff --git a/chrome/browser/autofill/form_field.h b/chrome/browser/autofill/form_field.h
index f4691a83f2698d5ff3e980de489bfdcd8642f198..98063c89bb5c557cbe2cfc691e7072756e8bdd52 100644
--- a/chrome/browser/autofill/form_field.h
+++ b/chrome/browser/autofill/form_field.h
@@ -21,7 +21,7 @@ class AutofillScanner;
 // name, phone number, or address field.
 class FormField {
  public:
-  typedef FormField* ParseFunction(AutofillScanner* scanner, bool is_ecml);
+  typedef FormField* ParseFunction(AutofillScanner* scanner);
 
   virtual ~FormField() {}
 
@@ -106,12 +106,10 @@ class FormField {
 
   // Perform a "pass" over the |fields| where each pass uses the supplied
   // |parse| method to match content to a given field type.
-  // |is_ecml| designates whether to match only ECML fields.
   // |fields| is both an input and an output parameter.  Upon exit |fields|
   // holds any remaining unclassified fields for further processing.
-  // Classification results of the proceessed fields are stored in |map|.
+  // Classification results of the processed fields are stored in |map|.
   static void ParseFormFieldsPass(ParseFunction parse,
-                                  bool is_ecml,
                                   std::vector<const AutofillField*>* fields,
                                   FieldTypeMap* map);