MD History: Simplify flex layout in <history-list>

chrome/browser/resources/md_history/shared_style.html

Index: chrome/browser/resources/md_history/shared_style.html
diff --git a/chrome/browser/resources/md_history/shared_style.html b/chrome/browser/resources/md_history/shared_style.html
index 6ac041ac080c7617adc2338ff9928dbd36ef136a..839926399f4da8e6686e6af7b286f02dd0aa622b 100644
--- a/chrome/browser/resources/md_history/shared_style.html
+++ b/chrome/browser/resources/md_history/shared_style.html
@@ -8,8 +8,10 @@
         --card-min-width: 500px;
         --card-padding-between: 20px;
         --card-padding-side: 24px;
-        --first-card-padding-top: 40px;
+        --first-card-padding-top: 24px;
         --side-bar-width: 256px;
+        --toolbar-grouped-height: 101px;
+        --toolbar-height: 56px;

[calamity, 2016/06/21 08:18:00]

Changing these won't change the toolbar height or the grouped height. Seems
dodgy.

You can definitely lock these to the paper-tabs height and the
#toolbar-container height in some fashion.

[tsergeant, 2016/06/22 01:13:45]

Done.

       }
 
       [hidden] {
@@ -36,6 +38,7 @@
         flex: 1;
         font-size: 14px;
         font-weight: 500;
+        height: 100%;
         justify-content: center;
       }