Reland "win: Use order files with lld as well."

This reverts commit 33f64ee2.

After the latest Clang roll, lld will not warn about missing symbols
from the order file, so enable the use of order files again.

Originally reviewed at https://chromium-review.googlesource.com/955726

TBR=thakis@chromium.org,rnk@chromium.org
Bug: 792131, 728324

Change-Id: I6662f40b9b36063eec172728027b82d96a2cd487
Reviewed-on: https://chromium-review.googlesource.com/970421Reviewed-by: Hans Wennborg <hans@chromium.org>
Commit-Queue: Hans Wennborg <hans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#544326}

chrome/BUILD.gn

@@ -455,7 +455,7 @@ if (is_win) {
       ]
     }
 
-    if (is_clang && is_official_build && !use_lld) {
+    if (is_clang && is_official_build) {
       orderfile = "build/chrome.$target_cpu.orderfile"
       rebased_orderfile = rebase_path(orderfile, root_build_dir)
       inputs = [
@@ -517,7 +517,7 @@ if (is_win) {
         "/DELAYLOAD:wininet.dll",
       ]
 
-      if (is_clang && is_official_build && !use_lld) {
+      if (is_clang && is_official_build) {
         orderfile = "build/chrome_child.$target_cpu.orderfile"
         rebased_orderfile = rebase_path(orderfile, root_build_dir)
         inputs = [