DOMUI: Refactor the new overlay style and apply it to all overlays.

chrome/browser/resources/options/certificate_edit_ca_trust_overlay.html

Index: chrome/browser/resources/options/certificate_edit_ca_trust_overlay.html
diff --git a/chrome/browser/resources/options/certificate_edit_ca_trust_overlay.html b/chrome/browser/resources/options/certificate_edit_ca_trust_overlay.html
index e3e5f6f070005394c42495e0878a60603e4a08a7..2560b182caca922f2285bca3b7b9396fd0de74b7 100644
--- a/chrome/browser/resources/options/certificate_edit_ca_trust_overlay.html
+++ b/chrome/browser/resources/options/certificate_edit_ca_trust_overlay.html
@@ -1,31 +1,33 @@
 <div class="page hidden" id="certificateEditCaTrustOverlay">
-  <p>
-    <span id="certificateEditCaTrustDescription"></span>
-  </p>
-
-  <p>
-    <span i18n-content="certificateEditTrustLabel"></span>
-    <br>
-    <label id="certificateCaTrustSSLLabel">
-      <input type="checkbox" id="certificateCaTrustSSLCheckbox">
-      <span i18n-content="certificateCaTrustSSLLabel"></span>
-    </label>
-    <br>
-    <label id="certificateCaTrustEmailLabel">
-      <input type="checkbox" id="certificateCaTrustEmailCheckbox">
-      <span i18n-content="certificateCaTrustEmailLabel"></span>
-    </label>
-    <br>
-    <label id="certificateCaTrustObjSignLabel">
-      <input type="checkbox" id="certificateCaTrustObjSignCheckbox">
-      <span i18n-content="certificateCaTrustObjSignLabel"></span>
-    </label>
-  </p>
-
-  <div class="action-area button-strip">
-    <button type="reset" id="certificateEditCaTrustCancelButton"
-        i18n-content="cancel"></button>
-    <button type="submit" id="certificateEditCaTrustOkButton"
-        i18n-content="ok"></button>
+  <div class="content-area">
+    <p>
+      <span id="certificateEditCaTrustDescription"></span>
+    </p>
+    <p>
+      <span i18n-content="certificateEditTrustLabel"></span>
+      <br>
+      <label id="certificateCaTrustSSLLabel">
+        <input type="checkbox" id="certificateCaTrustSSLCheckbox">
+        <span i18n-content="certificateCaTrustSSLLabel"></span>
+      </label>
+      <br>
+      <label id="certificateCaTrustEmailLabel">
+        <input type="checkbox" id="certificateCaTrustEmailCheckbox">
+        <span i18n-content="certificateCaTrustEmailLabel"></span>
+      </label>
+      <br>
+      <label id="certificateCaTrustObjSignLabel">
+        <input type="checkbox" id="certificateCaTrustObjSignCheckbox">
+        <span i18n-content="certificateCaTrustObjSignLabel"></span>
+      </label>
+    </p>
+  </div>
+  <div class="action-area">
+    <div class="button-strip">
+      <button type="reset" id="certificateEditCaTrustCancelButton"
+          i18n-content="cancel"></button>
+      <button type="submit" id="certificateEditCaTrustOkButton"
+          i18n-content="ok"></button>
+    </div>
   </div>
 </div>