make the settings search page bubbles look cool

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10408038

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@138211 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/options2/search_page.css

@@ -10,29 +10,57 @@
   background-color: rgba(255, 240, 120, 0.9);
 }
 
+/* Container for the elements that make up the search bubble. */
 .search-bubble {
-  -webkit-box-shadow: 0 2px 2px #888;
-  background-color: rgba(255, 240, 120, 0.8);
-  border-radius: 6px;
-  box-shadow: 0 2px 2px #888;
   left: 0;
-  margin: 12px 0 0;
-  padding: 4px 10px;
+  margin-top: 5px;
   pointer-events: none;
   position: absolute;
+  top: -1000px;  /* Minor hack: position off-screen by default. */
+  /* Create a z-context for search-bubble-innards, its after and before. */
+  z-index: 0;
+}
+
+/* Contains the text content of the bubble.  */
+.search-bubble-innards {
+  background: -webkit-linear-gradient(rgba(255, 248, 172, 0.9),
+                                      rgba(255, 243, 128, 0.9));
+  border-radius: 2px;
+  padding: 4px 10px;
   text-align: center;
-  top: -1000px;  /* minor hack: position off-screen by default */
   width: 100px;
 }
 
-.search-bubble:after {
-  border-color: rgba(255, 240, 120, 0.9) transparent;
-  border-style: solid;
-  border-width: 0 10px 10px;
+/* Provides the border around the bubble (has to be behind :after). */
+.search-bubble-innards::before {
+  border: 1px solid rgb(220, 198, 72);
+  border-radius: 2px;
+  bottom: -1px;
+  content: '';
+  left: -1px;
+  position: absolute;
+  right: -1px;
+  top: -1px;
+  z-index: -2;
+}
+
+/* Provides the arrow which points at the anchor element. */
+.search-bubble-innards::after {
+  -webkit-transform: rotate(45deg);
+  background:
+      -webkit-linear-gradient(-45deg, rgb(251, 255, 181),
+                                      rgb(255, 248, 172) 50%,
+                                      rgba(255, 248, 172, 0));
+  border: 1px solid rgb(220, 198, 72);
+  border-bottom-color: transparent;
+  border-right-color: transparent;
   content: '';
-  left: 50px;
+  height: 12px;
+  left: 53px;
   position: absolute;
-  top: -10px;
+  top: -7px;
+  width: 12px;
+  z-index: -1;
 }
 
 .search-bubble-wrapper {

chrome/browser/resources/options2/search_page.js

@@ -12,7 +12,7 @@ cr.define('options', function() {
   function SearchBubble(text) {
     var el = cr.doc.createElement('div');
     SearchBubble.decorate(el);
-    el.textContent = text;
+    el.content = text;
     return el;
   }
 
@@ -27,6 +27,10 @@ cr.define('options', function() {
     decorate: function() {
       this.className = 'search-bubble';
 
+      this.innards_ = cr.doc.createElement('div');
+      this.innards_.className = 'search-bubble-innards';
+      this.appendChild(this.innards_);
+
       // We create a timer to periodically update the position of the bubbles.
       // While this isn't all that desirable, it's the only sure-fire way of
       // making sure the bubbles stay in the correct location as sections
@@ -34,9 +38,17 @@ cr.define('options', function() {
       this.intervalId = setInterval(this.updatePosition.bind(this), 250);
     },
 
-  /**
-   * Attach the bubble to the element.
-   */
+    /**
+     * Sets the text message in the bubble.
+     * @param {string} text The text the bubble will show.
+     */
+    set content(text) {
+      this.innards_.textContent = text;
+    },
+
+    /**
+     * Attach the bubble to the element.
+     */
     attachTo: function(element) {
       var parent = element.parentElement;
       if (!parent)