Bake chrome mash catalog into MashRunner

chrome/app/mash/BUILD.gn

Index: chrome/app/mash/BUILD.gn
diff --git a/chrome/app/mash/BUILD.gn b/chrome/app/mash/BUILD.gn
index 76dc0c4ac4b1cb633335112a7eb2cfbf4fe161c4..e78d03795626f7aeca2225f0dfba2149327c379f 100644
--- a/chrome/app/mash/BUILD.gn
+++ b/chrome/app/mash/BUILD.gn
@@ -11,6 +11,7 @@ source_set("mash") {
     "mash_runner.h",
   ]
   deps = [
+    ":catalog_cpp_source",
     "//base:i18n",
     "//components/tracing:startup_tracing",
     "//content/public/common",
@@ -28,10 +29,6 @@ source_set("mash") {
     "//services/service_manager/standalone",
     "//url",
   ]
-  data_deps = [
-    ":catalog_copy",
-    "//chrome/app:service_manifests",
-  ]
 
   if (is_chromeos) {
     sources += [
@@ -80,12 +77,7 @@ catalog("catalog") {
   catalog_deps = [ "//chrome/app:catalog" ]
 }
 
-copy("catalog_copy") {
-  sources = get_target_outputs(":catalog")
-  outputs = [
-    "${root_out_dir}/chrome_mash_catalog.json",
-  ]
-  deps = [
-    ":catalog",
-  ]
+catalog_cpp_source("catalog_cpp_source") {
+  catalog = ":catalog"
+  output_symbol_name = "kChromeMashCatalogContents"
 }