Move more vector icons to more appropriate directories.

ui/vector_icons/BUILD.gn

Index: ui/vector_icons/BUILD.gn
diff --git a/ui/vector_icons/BUILD.gn b/ui/vector_icons/BUILD.gn
index 52e95265abf690ba8eac0aaaf716976f959d8695..f4fd78e03aaf4ec6bd87d29a9c950d8fd5f531f4 100644
--- a/ui/vector_icons/BUILD.gn
+++ b/ui/vector_icons/BUILD.gn
@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/util/branding.gni")
 import("//ui/vector_icons/vector_icons.gni")
 
 aggregate_vector_icons("ui_vector_icons") {
@@ -12,8 +13,21 @@ aggregate_vector_icons("ui_vector_icons") {
     "back_arrow.icon",
     "close.1x.icon",
     "close.icon",
+    "error_circle.icon",
+    "extension.icon",
     "forward_arrow.1x.icon",
     "forward_arrow.icon",
+    "location_on.icon",
+    "media_router_active.icon",
+    "media_router_error.icon",
+    "media_router_idle.icon",
+    "media_router_warning.icon",
+    "microphone.icon",
+    "midi.icon",
+    "notifications.icon",
+    "protocol_handler.icon",
+    "videocam.icon",
+    "warning.icon",
   ]
 }