MD History: Fix focus highlight on 'Sign in to Chrome' button

chrome/browser/resources/md_history/app.vulcanized.html

Index: chrome/browser/resources/md_history/app.vulcanized.html
diff --git a/chrome/browser/resources/md_history/app.vulcanized.html b/chrome/browser/resources/md_history/app.vulcanized.html
index b2acce367411c89080c4b83b8584005917aab363..ecb1560110159c7f95db86c0e1bb0d8b45565b32 100644
--- a/chrome/browser/resources/md_history/app.vulcanized.html
+++ b/chrome/browser/resources/md_history/app.vulcanized.html
@@ -3799,7 +3799,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
   </dom-module>
 <dom-module id="history-synced-device-manager" assetpath="chrome://history/">
   <template>
-    <style include="shared-style">
+    <style include="shared-style cr-shared-style">
       :host {
         display: block;
         overflow: auto;
@@ -3841,10 +3841,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       }
 
       #sign-in-button {
-        background-color: var(--google-blue-500);
-        color: white;
-        font-weight: 500;
-        margin-top: 24px;
+        margin: 24px 0;
         padding-left: 12px;
         padding-right: 12px;
       }
@@ -3867,7 +3864,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       <div id="illustration"></div>
       <div id="sign-in-promo">$i18n{signInPromo}</div>
       <div id="sign-in-promo-desc">$i18n{signInPromoDesc}</div>
-      <paper-button id="sign-in-button" on-tap="onSignInTap_">
+      <paper-button id="sign-in-button" class="action-button" on-tap="onSignInTap_">
         $i18n{signInButton}
       </paper-button>
     </div>