MD Settings: make composed paper-checkbox 100% width

chrome/browser/resources/settings/privacy_page/privacy_page.html

Index: chrome/browser/resources/settings/privacy_page/privacy_page.html
diff --git a/chrome/browser/resources/settings/privacy_page/privacy_page.html b/chrome/browser/resources/settings/privacy_page/privacy_page.html
index 7d920afc81a4c6f07ed2af9be8e991f5506572b5..28792dc7750dccc8b92ba760d9377349e19c5f6a 100644
--- a/chrome/browser/resources/settings/privacy_page/privacy_page.html
+++ b/chrome/browser/resources/settings/privacy_page/privacy_page.html
@@ -49,6 +49,7 @@
       #metricsReportingCheckbox,
       #safeBrowsingExtendedReportingCheckbox {
         display: inline-block;
+        width: 100%;
       }
 
       #metricsReporting paper-tooltip {
@@ -389,4 +390,4 @@
     </settings-animated-pages>
   </template>
   <script src="privacy_page.js"></script>
-</dom-module>
+</dom-module>