Move settings-section animations into setting-section, make better

chrome/browser/resources/settings/settings_page/settings_section.html

Index: chrome/browser/resources/settings/settings_page/settings_section.html
diff --git a/chrome/browser/resources/settings/settings_page/settings_section.html b/chrome/browser/resources/settings/settings_page/settings_section.html
index d475b15efe6587764b2b2dae6068bfcdb929de96..67bf4c3981ca480a31debaa54ad0833616cb3084 100644
--- a/chrome/browser/resources/settings/settings_page/settings_section.html
+++ b/chrome/browser/resources/settings/settings_page/settings_section.html
@@ -1,6 +1,6 @@
 <link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animation-runner-behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-styles/shadow.html">
+<link rel="import" href="/animation/animation.html">
 
 <dom-module id="settings-section">
   <template>
@@ -8,6 +8,9 @@
       :host {
         display: flex;
         flex-direction: column;
+        /* Margin so the box-shadow isn't clipped during animations. */
+        margin-left: 3px;
+        margin-right: 3px;
         position: relative;
       }
 
@@ -29,17 +32,14 @@
         overflow: hidden;
       }
 
-      :host(.expanded) #header {
-        display: none;
-      }
-
-      :host(.frozen) #card {
-        position: fixed;
-        width: 100%;
+      :host(.expanding) #card,
+      :host(.collapsing) #card,
+      :host(.expanded) #card {
+        @apply(--shadow-elevation-4dp);
       }
 
-      :host(.expanded.frozen) #card {
-        position: relative;
+      :host(.expanded) #header {
+        display: none;
       }
     </style>
     <div id="header">