Making touch target wider (35px) for the splitter in bookmark manager

chrome/browser/resources/bookmark_manager/css/bmm.css

Index: chrome/browser/resources/bookmark_manager/css/bmm.css
diff --git a/chrome/browser/resources/bookmark_manager/css/bmm.css b/chrome/browser/resources/bookmark_manager/css/bmm.css
index 4114e8e18173f98e51b68f21036925dfe95e8f81..6b2b0c435768ba326c0f189f657091f989ba4974 100644
--- a/chrome/browser/resources/bookmark_manager/css/bmm.css
+++ b/chrome/browser/resources/bookmark_manager/css/bmm.css
@@ -210,8 +210,7 @@ list > .folder > .label,
 }
 
 #tree-container {
-  -webkit-padding-end: 5px;
-  -webkit-padding-start: 10px;
+  -webkit-padding-start: 15px;
   box-sizing: border-box;
   /* min-width and max-width are used by the split pane. */
   max-width: 50%;
@@ -238,15 +237,19 @@ list > .folder > .label,
 
 #list {
   -webkit-flex: 1;
+  -webkit-padding-end: 5px;
   box-sizing: border-box;
   /* TODO(arv): Remove min-width once bug is fixed:
    * https://bugs.webkit.org/show_bug.cgi?id=111790 */
   min-width: 0;
-  padding: 5px;
+  padding-bottom: 5px;
+  padding-top: 5px;
 }
 
 .splitter {
   background-color: rgb(235, 239, 249);
+  border-left: 15px solid white;

[Evan Stade, 2013/04/04 02:37:57]

why white and not transparent?

+  border-right: 15px solid white;
   cursor: e-resize;
   width: 5px;
 <if expr="is_macosx">