Clean-up: Change chrome/browser's CSS time units from s to ms.

chrome/browser/resources/sync_setup_overlay.css

 /* TODO(jhawkins): Organize these by page. */
 
 #sync-setup-overlay * h4 {
   margin: 5px 0;
 }
 
 #sync-setup-overlay * form {
   -webkit-user-select: none;
 }
 
@@ skipping 160 matching lines @@
 
 #asp-warning-div {
   text-align: left;
 }
 
 #logging-in-throbber {
   margin: 0 10px;
 }
 
 #top-blurb-error {
-  -webkit-transition: margin-top .33s ease-out, opacity .66s ease-out;
+  -webkit-transition: margin-top 330ms ease-out, opacity 660ms ease-out;
   background: #f9edbe;
   border: 1px solid #f0c36d;
   display: block;
   font-weight: bold;
   line-height: 1.5em;
   margin-bottom: 10px;
   opacity: 1;
   padding: 8px 25px;
   position: relative;
   text-align: center;
@@ skipping 80 matching lines @@
 
 #learn-more-link {
   float: right;
 }
 
 html[dir='rtl'] #learn-more-link {
   float: left;
 }
 
 #customize-link, #use-default-link {
-  -webkit-transition: opacity .25s;
+  -webkit-transition: opacity 250ms;
 }
 
 
 /* Sign in box. */
 
 .sign-in {
   margin: 20px auto;
   width: 335px;
 }
 
@@ skipping 28 matching lines @@
 }
 
 html[dir='rtl'] #signin-header-logo {
   left: 0;
   right: auto;
 }
 
 /* Sign in buttons. */
 
 .signin-box input[type=submit] {
-  -webkit-transition: all 0.218s;
+  -webkit-transition: all 218ms;
   -webkit-user-select: none;
   background-image: -webkit-linear-gradient(top, #4d90fe, #4787ed);
   border: 1px solid #3079ed;
   border-radius: 2px;
   color: #fff;
   display: inline-block;
   font-size: 13px;
   font-weight: bold;
   height: 32px;
   line-height: 27px;
   margin: 0 0.4em 1.2em 0;
   min-width: 54px !important;
   padding: 0 8px;
 }
 
 html[dir='rtl'] .signin-box input[type=submit] {
   margin: 0 0 1.2em 0.4em;
 }
 
 .signin-box input[type=submit]:hover {
   -webkit-box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.1);
-  -webkit-transition: all 0.0s;
+  -webkit-transition: all 0;
   background-image: -webkit-linear-gradient(top, #4d90fe, #357ae8);
   border: 1px solid #2f5bb7;
   color: #fff;
 }
 
 .signin-box input[type=submit]:focus {
   -webkit-box-shadow: inset 0 0 0 1px #fff;
   border: 1px solid #4d90fe;
   outline: none;
   z-index: 4 !important;
@@ skipping 138 matching lines @@
 }
 
 .signin-box .help-link:visited {
   color: #fff !important;
 }
 
 .signin-box .help-link:hover {
   color: #fff !important;
   opacity: .7;
 }