Revert of Build services as standalone executables

chrome/app/mash/mash_runner.cc

Index: chrome/app/mash/mash_runner.cc
diff --git a/chrome/app/mash/mash_runner.cc b/chrome/app/mash/mash_runner.cc
index ddcb2605cc1a1e23ea909b28615b5319280979b4..6f43edba3363963bf5e6a841388613c073d34783 100644
--- a/chrome/app/mash/mash_runner.cc
+++ b/chrome/app/mash/mash_runner.cc
@@ -32,9 +32,10 @@
 #include "services/service_manager/public/cpp/identity.h"
 #include "services/service_manager/public/cpp/service.h"
 #include "services/service_manager/public/cpp/service_context.h"
-#include "services/service_manager/public/cpp/standalone_service/standalone_service.h"
 #include "services/service_manager/public/interfaces/service_factory.mojom.h"
 #include "services/service_manager/runner/common/switches.h"
+#include "services/service_manager/runner/host/child_process.h"
+#include "services/service_manager/runner/host/child_process_base.h"
 #include "services/service_manager/runner/init.h"
 #include "services/service_manager/standalone/context.h"
 #include "ui/base/resource/resource_bundle.h"
@@ -92,11 +93,6 @@
   void AdjustCommandLineArgumentsForTarget(
       const service_manager::Identity& target,
       base::CommandLine* command_line) override {
-    if (target.name() == kChromeMashServiceName ||
-        target.name() == content::mojom::kBrowserServiceName) {
-      command_line->SetProgram(
-          base::CommandLine::ForCurrentProcess()->GetProgram());
-    }
     if (target.name() != content::mojom::kBrowserServiceName) {
       // If running anything other than the browser process, launch a mash
       // child process. The new process will execute MashRunner::RunChild().
@@ -193,9 +189,16 @@
 
   service_manager::WaitForDebuggerIfNecessary();
 
+  base::FilePath path =
+      base::CommandLine::ForCurrentProcess()->GetSwitchValuePath(
+          switches::kChildProcess);
+  if (base::PathExists(path))
+    return service_manager::ChildProcessMain();
+
+  // If the path doesn't exist - try launching this as a packaged service.
   base::i18n::InitializeICU();
   InitializeResources();
-  service_manager::RunStandaloneService(
+  service_manager::ChildProcessMainWithCallback(
       base::Bind(&MashRunner::StartChildApp, base::Unretained(this)));
   return 0;
 }