Switch dashboard to new flexbox.

dashboard/dashboard/elements/group-report-page.html

Index: dashboard/dashboard/elements/group-report-page.html
diff --git a/dashboard/dashboard/elements/group-report-page.html b/dashboard/dashboard/elements/group-report-page.html
index c81c5f010e97f98645960a3c42d45388625b5b1e..881a46aa71f7c57bc93ceb6083359ed47cff4aa8 100644
--- a/dashboard/dashboard/elements/group-report-page.html
+++ b/dashboard/dashboard/elements/group-report-page.html
@@ -39,11 +39,8 @@ found in the LICENSE file.
     /* The top container contains the action bar and alerts list. */
     #top {
       display: inline-flex;
-      display: -webkit-inline-flex;
       flex-direction: column;
-      -webkit-flex-direction: column;
       align-items: flex-start;
-      -webkit-align-items: flex-start;
       margin-bottom: 15px;
       width: 100%
     }
@@ -51,9 +48,7 @@ found in the LICENSE file.
     /* The bottom container contains the charts. */
     #bottom {
       display: flex;
-      display: -webkit-flex;
       flex-direction: column;
-      -webkit-flex-direction: column;
       min-width: 100%;
       min-height: 100%;
     }