Move //services/files/c -> //mojo/services/files/public/c.

mojo/services/files/public/c/BUILD.gn

Index: mojo/services/files/public/c/BUILD.gn
diff --git a/services/files/c/BUILD.gn b/mojo/services/files/public/c/BUILD.gn
similarity index 61%
rename from services/files/c/BUILD.gn
rename to mojo/services/files/public/c/BUILD.gn
index cedc2a7a3cd187a491199f0af3657ec820789bc0..9cd687be3d8931ba5a99b34a0b631cc8b0df9594 100644
--- a/services/files/c/BUILD.gn
+++ b/mojo/services/files/public/c/BUILD.gn
@@ -2,9 +2,17 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//mojo/public/mojo_application.gni")
+import("//build/module_args/mojo.gni")
+import("$mojo_sdk_root/mojo/public/mojo_application.gni")
+import("$mojo_sdk_root/mojo/public/mojo_sdk.gni")
+
+mojo_sdk_source_set("mojio") {
+  # TODO(vtl): This is needed because mojo_sdk.gni doesn't understand relative
+  # dependencies (so without this we can't depend on our interfaces!).
+  restrict_external_deps = false
+
+  public_configs = [ "../../../public/build/config:mojo_services" ]
 
-source_set("mojio") {
   sources = [
     "lib/directory_wrapper.cc",
     "lib/directory_wrapper.h",
@@ -34,13 +42,18 @@ source_set("mojio") {
   ]
 
   deps = [
-    "//mojo/public/cpp/bindings",
-    "//mojo/public/cpp/environment",
-    "//mojo/public/cpp/system",
-    "//mojo/services/files/public/interfaces",
+    "../interfaces",
+  ]
+
+  mojo_sdk_deps = [
+    "mojo/public/cpp/bindings",
+    "mojo/public/cpp/environment",
+    "mojo/public/cpp/system",
   ]
 }
 
+# NOTE(vtl): Some of the tests actually depend on a reasonable implementation of
+# the files service (e.g., //services/files).
 mojo_native_application("apptests") {
   output_name = "mojio_apptests"
 
@@ -68,14 +81,12 @@ mojo_native_application("apptests") {
 
   deps = [
     ":mojio",
-    "//mojo/public/cpp/application:standalone",
-    "//mojo/public/cpp/application:test_support_standalone",
-    "//mojo/public/cpp/bindings",
-    "//mojo/public/cpp/environment",
-    "//mojo/public/cpp/system",
-    "//mojo/services/files/public/interfaces",
+    "../interfaces",
+    "$mojo_sdk_root/mojo/public/cpp/application:standalone",
+    "$mojo_sdk_root/mojo/public/cpp/application:test_support_standalone",
+    "$mojo_sdk_root/mojo/public/cpp/bindings",
+    "$mojo_sdk_root/mojo/public/cpp/environment",
+    "$mojo_sdk_root/mojo/public/cpp/system",
     "//testing/gtest",
   ]
-
-  data_deps = [ "..:files" ]
 }