Use SetAlternateDesktop(false) for service process.

chrome/service/service_utility_process_host.cc

Index: chrome/service/service_utility_process_host.cc
diff --git a/chrome/service/service_utility_process_host.cc b/chrome/service/service_utility_process_host.cc
index d649ba747bb55ff0e97f4ce2c2f18e0dae10454c..9962b815f57d9c78530ea035eb35efdd07be413e 100644
--- a/chrome/service/service_utility_process_host.cc
+++ b/chrome/service/service_utility_process_host.cc
@@ -32,6 +32,7 @@
 #include "content/public/common/sandbox_init.h"
 #include "content/public/common/sandboxed_process_launcher_delegate.h"
 #include "printing/emf_win.h"
+#include "sandbox/win/src/sandbox_policy_base.h"
 
 namespace {
 
@@ -49,6 +50,13 @@ class ServiceSandboxedProcessLauncherDelegate
     *exposed_dir = exposed_dir_;
   }
 
+  virtual void PreSpawnTarget(sandbox::TargetPolicy* policy,
+                              bool* success) OVERRIDE {
+    // Service process may run as windows service and it would fail to create
+    // ::CreateWindowStation.

[cpu_(ooo_6.6-7.5), 2014/09/04 19:04:23]

.. and it fails to create a window station.

[Vitaly Buka (NO REVIEWS), 2014/09/04 21:15:09]

Done.

+    policy->SetAlternateDesktop(false);
+  }
+
  private:
   base::FilePath exposed_dir_;
 };