Add information that some data may not get deleted

chrome/browser/resources/options/clear_browser_data_overlay.css

Index: chrome/browser/resources/options/clear_browser_data_overlay.css
diff --git a/chrome/browser/resources/options/clear_browser_data_overlay.css b/chrome/browser/resources/options/clear_browser_data_overlay.css
index 0afe1b2e6ea9502fe1285ef8dce52e122697873d..171d42a415b30c28603030b44760a8c23455a2e5 100644
--- a/chrome/browser/resources/options/clear_browser_data_overlay.css
+++ b/chrome/browser/resources/options/clear_browser_data_overlay.css
@@ -3,7 +3,7 @@
  * found in the LICENSE file. */
 
 #clear-browser-data-overlay {
-  min-width: 500px;
+  width: 500px;
 }
 
 #clear-data-checkboxes {
@@ -29,3 +29,11 @@
   margin: 0 20px 11px 17px;
   padding: 6px 8px;
 }
+
+#some-stuff-remains-footer > p {
+  margin: 0;
+}
+
+#some-stuff-remains-footer button {
+  padding: 0;
+}