Layout nits for the signin email confirmation dialog.

chrome/browser/resources/signin/signin_email_confirmation/signin_email_confirmation.html

Index: chrome/browser/resources/signin/signin_email_confirmation/signin_email_confirmation.html
diff --git a/chrome/browser/resources/signin/signin_email_confirmation/signin_email_confirmation.html b/chrome/browser/resources/signin/signin_email_confirmation/signin_email_confirmation.html
index c81130284be54ce4cdfb5aa0215e3d92b69421c8..585afd1373882877625b5bbff6318d8d8a21fee2 100644
--- a/chrome/browser/resources/signin/signin_email_confirmation/signin_email_confirmation.html
+++ b/chrome/browser/resources/signin/signin_email_confirmation/signin_email_confirmation.html
@@ -20,6 +20,26 @@
         padding: 0 24px;
       }
 
+      .container {
+        /* The sign-in confirmation dialog uses a width that is larger than
+        the other sign-in dialogs to fit cases when the user has an email name
+        that is very large*/
+        width: 512px;
+      }
+
+      .top-title-bar {
+        color: #333;
+
+        /* The signin email confirmation dialog needs to support cases when the
+        title extends multiple lines. In that case, the height of the title
+        bar is equal to padding + height of the text (which is equal to
+        2*16px + nb_lines * 22px).
+        */
+        line-height: 22px;
+        padding: 16px 24px;
+        height: auto;
+      }
+
       #closeButton {
         -webkit-margin-start: 8px;
       }