Make settings page more touch friendly (font-size, checkbox, radio, adding language page).

chrome/browser/resources/options/language_options.css

 .language-options {
   display: -webkit-box;
   margin: 10px 0;
 }
 
 .language-options-lower-left button,
 .language-options-right button {
   min-width: 70px;
 }
 
@@ skipping 100 matching lines @@
   overflow: hidden;
   pointer-events: none;
   position: fixed;
   z-index: 10;
 }
 
 #language-options-ui-restart-button {
   margin-top: 12px;
 }
 
+<if expr="not pp_ifdef('touchui')">
 html[os=chromeos] #add-language-overlay-language-list {
   -webkit-column-count: 2;
   -webkit-column-gap: 20px;
 }
 
 html[os=chromeos] #add-language-overlay-cancel-button {
   /* Place the button in the center. */
   display: block;
   margin: auto;
   margin-top: 15px;
 }
 
 html[os=chromeos] #add-language-overlay-page {
   width: 800px;
   padding: 20px;
 }
 
 html[os=chromeos] #add-language-overlay-page button.link-button {
   padding: 0;
   text-align: left;
 }
 
 html[os=chromeos] #add-language-overlay-page ul {
   padding: 0;
   margin: 0;
 }
+</if>
 
 /* TODO(kochi): This is temporary copy from new_tab.css */
 /* Notification */
 
 #notification {
   position: relative;
   background-color: hsl(52, 100%, 80%);
   border: 1px solid rgb(211, 211, 211);
   border-radius: 6px;
   padding: 7px 15px;
@@ skipping 39 matching lines @@
 }
 
 #chewing-max-chi-symbol-len {
   width: 100px;
   height: 30%;
 }
 
 #add-language-overlay-page .content-area {
   padding-bottom: 10px;
 }