More changes to support hermetic Xcode toolchain in GN.

build/secondary/third_party/crashpad/crashpad/util/BUILD.gn

Index: build/secondary/third_party/crashpad/crashpad/util/BUILD.gn
diff --git a/build/secondary/third_party/crashpad/crashpad/util/BUILD.gn b/build/secondary/third_party/crashpad/crashpad/util/BUILD.gn
index c555fe57a3ad5fae6c47a3a91694236ae9bbd9f3..8c9399489b5fef132d74ef5e9e566afaebd48278 100644
--- a/build/secondary/third_party/crashpad/crashpad/util/BUILD.gn
+++ b/build/secondary/third_party/crashpad/crashpad/util/BUILD.gn
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/toolchain/toolchain.gni")
+
 if (is_mac) {
   import("//build/config/sysroot.gni")
 }
@@ -32,6 +34,7 @@ if (is_mac) {
 
     args = [ "{{source}}" ]
     args += rebase_path(outputs, root_build_dir)
+    args += [ hermetic_xcode_path ]

[Nico, 2016/10/08 19:03:37]

doesn't this need an

 if (!use_system_xcode)

too? else i'd expect this'd pass an empty string as additional argument, and
then the mig.py script thinks that it gets 3 args

[erikchen, 2016/10/10 19:20:57]

Done.

   }
 }