Remove some more desktop infobar PNGs.

chrome/browser/permissions/permission_request.cc

Index: chrome/browser/permissions/permission_request.cc
diff --git a/chrome/browser/permissions/permission_request.cc b/chrome/browser/permissions/permission_request.cc
index 1a078a3327c929040d7c1e1737871e9848378743..73b71e99d034933ce9e3a72ea2e95f299e88a8bf 100644
--- a/chrome/browser/permissions/permission_request.cc
+++ b/chrome/browser/permissions/permission_request.cc
@@ -12,6 +12,10 @@ gfx::VectorIconId PermissionRequest::GetVectorIconId() const {
   return gfx::VectorIconId::VECTOR_ICON_NONE;
 }
 
+int PermissionRequest::GetIconId() const {
+  return 0;
+}
+
 bool PermissionRequest::ShouldShowPersistenceToggle() const {
   return false;
 }