[FileBrowser] Migrated ComboButton to menu as dropdown.

chrome/browser/resources/file_manager/css/common.css

Index: chrome/browser/resources/file_manager/css/common.css
diff --git a/chrome/browser/resources/file_manager/css/common.css b/chrome/browser/resources/file_manager/css/common.css
index 6dfd863a6cb4ed181d872bce81cad7f9c5c5973d..66158c4c3abfa5c88ddc89459129d96a3c01c9a1 100644
--- a/chrome/browser/resources/file_manager/css/common.css
+++ b/chrome/browser/resources/file_manager/css/common.css
@@ -202,8 +202,9 @@ menu.chrome-menu {
   outline: none;
   padding: 2px 0;
 }
-
 menu.chrome-menu > :not(hr) {
+  background-position: 6px center;
+  background-repeat: no-repeat;
   color: rgb(34, 34, 34);
   height: 30px;
   line-height: 28px;
@@ -211,6 +212,7 @@ menu.chrome-menu > :not(hr) {
   padding-right: 20px;
 }
 

[dgozman, 2012/05/18 13:15:14]

extra empty line

[Dmitry Zvorygin, 2012/05/21 10:51:01]

Done.

+
 menu.chrome-menu > :not(hr)[disabled] {
   background-color: rgb(255, 255, 255);
   color: rgb(153, 153, 153);
@@ -229,7 +231,8 @@ menu.chrome-menu > hr {
 }
 
 menu.chrome-menu > :not(hr)[checked] {
-  background: url('../images/common/check_no_box.png') no-repeat 2px center;
+  background-image: url('../images/common/check_no_box.png');
+  background-position: 2px center;
 }
 
 menu.chrome-menu > [checked]:before {