Update mojo sdk to rev 126532ce21c5c3c55a1e1693731411cb60169efd

third_party/mojo/src/mojo/edk/embedder/BUILD.gn

Index: third_party/mojo/src/mojo/edk/embedder/BUILD.gn
diff --git a/third_party/mojo/src/mojo/edk/embedder/BUILD.gn b/third_party/mojo/src/mojo/edk/embedder/BUILD.gn
index d9a6e69f1e7653944e37043dc5442a21b3b9548b..5eb77d7aab91a49afb5e3678a3f5240aaec2ace9 100644
--- a/third_party/mojo/src/mojo/edk/embedder/BUILD.gn
+++ b/third_party/mojo/src/mojo/edk/embedder/BUILD.gn
@@ -35,6 +35,7 @@ mojo_edk_source_set("embedder") {
   mojo_edk_configs = [ "mojo/edk/system:system_config" ]
 
   public_deps = [
+    ":delegates",
     ":platform",
   ]
 
@@ -90,6 +91,27 @@ mojo_edk_source_set("platform") {
   }
 }
 
+mojo_edk_source_set("delegates") {
+  # This isn't really a standalone target; it must be linked into the
+  # mojo_system_impl component.
+  visibility = [ ":embedder" ]
+
+  mojo_edk_visibility = [ "mojo/edk/system" ]
+
+  sources = [
+    "master_process_delegate.h",
+    "slave_process_delegate.h",
+  ]
+
+  defines = [ "MOJO_SYSTEM_IMPL_IMPLEMENTATION" ]
+
+  mojo_edk_configs = [ "mojo/edk/system:system_config" ]
+
+  deps = [
+    "//base",
+  ]
+}
+
 mojo_edk_source_set("embedder_unittests") {
   testonly = true
   mojo_edk_visibility = [ "mojo/edk/system:mojo_system_unittests" ]