Convert profile import IPCs to Mojo

chrome/common/importer/BUILD.gn

Index: chrome/common/importer/BUILD.gn
diff --git a/chrome/common/importer/BUILD.gn b/chrome/common/importer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..905bddcd622791be18efafe41dcf86a52578d92e
--- /dev/null
+++ b/chrome/common/importer/BUILD.gn
@@ -0,0 +1,17 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//mojo/public/tools/bindings/mojom.gni")
+
+mojom("interfaces") {
+  sources = [
+    "profile_import.mojom",
+  ]
+
+  public_deps = [
+    "//components/autofill/content/common:mojo_types",
+    "//mojo/common:common_custom_types",
+    "//url/mojo:url_mojom_gurl",
+  ]
+}