INPUT element: Stop saving/restoring values of input[type=hidden].

third_party/WebKit/Source/core/html/HTMLInputElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
  * rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved.
@@ skipping 89 matching lines @@
       size_(kDefaultSize),
       has_dirty_value_(false),
       is_checked_(false),
       dirty_checkedness_(false),
       is_indeterminate_(false),
       is_activated_submit_(false),
       autocomplete_(kUninitialized),
       has_non_empty_list_(false),
       state_restored_(false),
       parsing_in_progress_(created_by_parser),
-      value_attribute_was_updated_after_parsing_(false),
       can_receive_dropped_files_(false),
       should_reveal_password_(false),
       needs_to_update_view_value_(true),
       is_placeholder_visible_(false),
       // |m_inputType| is lazily created when constructed by the parser to avoid
       // constructing unnecessarily a text inputType and its shadow subtree,
       // just to destroy them when the |type| attribute gets set by the parser
       // to something else than 'text'.
       input_type_(created_by_parser ? nullptr : InputType::CreateText(*this)),
       input_type_view_(input_type_ ? input_type_->CreateView() : nullptr) {
@@ skipping 594 matching lines @@
     if (!HasDirtyValue()) {
       if (input_type_->GetValueMode() == ValueMode::kValue)
         non_attribute_value_ = SanitizeValue(value);
       UpdatePlaceholderVisibility();
       SetNeedsStyleRecalc(
           kSubtreeStyleChange,
           StyleChangeReasonForTracing::FromAttribute(valueAttr));
     }
     needs_to_update_view_value_ = true;
     SetNeedsValidityCheck();
-    value_attribute_was_updated_after_parsing_ = !parsing_in_progress_;
     input_type_->WarnIfValueIsInvalidAndElementIsVisible(value);
     input_type_->InRangeChanged();
     input_type_view_->ValueAttributeChanged();
   } else if (name == checkedAttr) {
     // Another radio button in the same group might be checked by state
     // restore. We shouldn't call setChecked() even if this has the checked
     // attribute. So, delay the setChecked() call until
     // finishParsingChildren() is called if parsing is in progress.
     if ((!parsing_in_progress_ ||
          !GetDocument().GetFormController().HasFormStates()) &&
@@ skipping 1164 matching lines @@
 
 bool HTMLInputElement::HasFallbackContent() const {
   return input_type_view_->HasFallbackContent();
 }
 
 void HTMLInputElement::SetFilesFromPaths(const Vector<String>& paths) {
   return input_type_->SetFilesFromPaths(paths);
 }
 
 }  // namespace blink