MAGETWO-39525: Autocomplete is enabled on credit card form

Author: Pechenushko

app/code/Magento/Payment/view/frontend/web/template/payment/cc-form.html

@@ -42,8 +42,9 @@
             <span><!-- ko text: $t('Credit Card Number')--><!-- /ko --></span>
         </label>
         <div class="control">
-            <input type="text" name="payment[cc_number]" class="input-text" value=""
+            <input type="number" name="payment[cc_number]" class="input-text" value=""
                    data-bind="attr: {
+                                    autocomplete: off,
                                     id: getCode() + '_cc_number',
                                     title: $t('Credit Card Number'),
                                     'data-container': getCode() + '-cc-number',
@@ -96,7 +97,7 @@
             <span><!-- ko text: $t('Card Verification Number')--><!-- /ko --></span>
         </label>
         <div class="control _with-tooltip">
-            <input type="text" class="input-text cvv" name="payment[cc_cid]" value=""
+            <input type="number" autocomplete="off" class="input-text cvv" name="payment[cc_cid]" value=""
                    data-bind="attr: {id: getCode() + '_cc_cid', title: $t('Card Verification Number'), 'data-container': getCode() + '-cc-cvv', 'data-validate': JSON.stringify({'required-number':true, 'validate-card-cvv':'#' + getCode() + '_cc_type'})},
                              enable: isActive($parents),
                              value: creditCardVerificationNumber"/>
@@ -122,7 +123,7 @@
                     <span><!-- ko text: $t('Issue Number')--><!-- /ko --></span>
                 </label>
                 <div class="control">
-                    <input type="text" name="payment[cc_ss_issue]"
+                    <input type="number" name="payment[cc_ss_issue]"
                            value=""
                            class="input-text cvv"
                            data-bind="attr: {id: getCode() + '_cc_issue', title: $t('Issue Number'), 'data-container': getCode() + '-cc-issue', 'data-validate': JSON.stringify({'validate-cc-ukss':true})}, enable: isActive($parents)"/>

app/code/Magento/Payment/view/frontend/web/template/payment/iframe.html

@@ -6,7 +6,7 @@
 -->
 <!-- IFRAME for request to Payment Gateway -->
 <iframe width="0" height="0" data-bind="src: getSource(), attr: {id: getCode() + '-transparent-iframe', 'data-container': getCode() + '-transparent-iframe'}" allowtransparency="true" frameborder="0"  name="iframeTransparent" style="display:none;width:100%;background-color:transparent"></iframe>
-<form class="form" id="co-transparent-form" action="#" method="post" data-bind="mageInit: {
+<form class="form" id="co-transparent-form" autocomplete="off" action="#" method="post" data-bind="mageInit: {
     'transparent':{
         'controller': getControllerName(),
         'gateway': getCode(),