Removed a context menu from Files.app's left nav, since it became redundant.

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

Index: chrome/browser/resources/file_manager/css/file_manager.css
diff --git a/chrome/browser/resources/file_manager/css/file_manager.css b/chrome/browser/resources/file_manager/css/file_manager.css
index 43d8c240bd94fd901a568a664c4ea32bc324854c..8aa824aa9e6e12a6214f4888fa8eb133b2c72688 100644
--- a/chrome/browser/resources/file_manager/css/file_manager.css
+++ b/chrome/browser/resources/file_manager/css/file_manager.css
@@ -1567,23 +1567,16 @@ body:not([ctrl-pressing]) [required_attr='ctrl-pressing'] {
   display: block;
 }
 
-#downloads-root-context-menu {
-  min-width: 250px;
-}
-
-#drive-space-info,
-#downloads-space-info {
+#drive-space-info {
   -webkit-box-pack: justify;
   display: -webkit-box;
 }
 
-#drive-space-info-label,
-#downloads-space-info-label {
+#drive-space-info-label {
   display: block;
 }
 
-#drive-space-info > div,
-#downloads-space-info > div {
+#drive-space-info > div {
   -webkit-box-flex: 1;
   border: 1px solid rgb(192, 192, 192);
   display: block;
@@ -1592,8 +1585,7 @@ body:not([ctrl-pressing]) [required_attr='ctrl-pressing'] {
   min-width: 30px;
 }
 
-#drive-space-info-bar[pending],
-#downloads-space-info-bar[pending] {
+#drive-space-info-bar[pending] {
   -webkit-animation-duration: 800ms;
   -webkit-animation-iteration-count: infinite;
   -webkit-animation-name: bg;
@@ -1607,8 +1599,7 @@ body:not([ctrl-pressing]) [required_attr='ctrl-pressing'] {
   background-size: 16px 8px;
 }
 
-#drive-space-info-bar,
-#downloads-space-info-bar {
+#drive-space-info-bar {
   background-color: rgb(192, 192, 192);
   border: 1px solid rgb(255, 255, 255);
   box-sizing: border-box;