Print Preview: turn off spellcheck for search boxes and inputs

Bug: 871656
Change-Id: I7b258a191788051187ea2066072d41997953e45b
Reviewed-on: https://chromium-review.googlesource.com/1174959Reviewed-by: Scott Chen <scottchen@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583159}

chrome/browser/resources/print_preview/new/advanced_settings_item.html

@@ -59,7 +59,7 @@
         </div>
       </template>
       <span hidden$="[[isCapabilityTypeSelect_(capability)]]">
-        <input type="text" on-input="onUserInput_"
+        <input type="text" on-input="onUserInput_" spellcheck="false"
             placeholder="[[getCapabilityPlaceholder_(capability)]]">
       </span>
     </div>

chrome/browser/resources/print_preview/new/pages_settings.html

@@ -46,7 +46,7 @@
                 on-click="onCustomRadioClick_">
             <input id="pageSettingsCustomInput" class="user-value" type="text"
                 checked="{{customSelected_::change}}" data-timeout-delay="500"
-                disabled$="[[getDisabled_(disabled)]]"
+                disabled$="[[getDisabled_(disabled)]]" spellcheck="false"
                 pattern="[[inputPattern_]]"
                 on-focus="onCustomInputFocus_" on-blur="onCustomInputBlur_"
                 placeholder="$i18n{examplePageRangeText}"

chrome/browser/resources/print_preview/new/print_preview_search_box.html

@@ -36,7 +36,7 @@
     <input type="search" id="searchInput" class="search-box-input"
         on-search="onSearchTermSearch" on-input="onSearchTermInput"
         incremental aria-label$="[[label]]" placeholder="[[label]]"
-        autofocus="[[autofocus]]">
+        autofocus="[[autofocus]]" spellcheck="false">
   </template>
   <script src="print_preview_search_box.js"></script>
 </dom-module>