[Password Manager] HTML parsing based client-side form type classifier

components/autofill/content/renderer/form_classifier.h

Index: components/autofill/content/renderer/form_classifier.h
diff --git a/components/autofill/content/renderer/form_classifier.h b/components/autofill/content/renderer/form_classifier.h
new file mode 100644
index 0000000000000000000000000000000000000000..2ce96c3c3f2b9f44702715e5c6ba84498ddf5423
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+++ b/components/autofill/content/renderer/form_classifier.h
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+// Copyright 2016 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 "third_party/WebKit/public/web/WebFormElement.h"
+
+namespace autofill {
+
+// Checks if |form| is eligible for password generation. If yes, sets the name
+// of the generation field to |generation_field| and returns true. Otherwise,
+// returns false (w/o any changes of |generation_field|).
+bool ClassifyFormAndFindGenerationField(const blink::WebFormElement& form,
+                                        base::string16* generation_field);
+}