Add managed policies for Native Messaging

chrome/browser/extensions/api/messaging/native_message_process_host.h

Index: chrome/browser/extensions/api/messaging/native_message_process_host.h
diff --git a/chrome/browser/extensions/api/messaging/native_message_process_host.h b/chrome/browser/extensions/api/messaging/native_message_process_host.h
index 74e63b1e6bb4ddbbdc291f24aaf6f23616b9c207..f3c8c08ddba3a1a11002d5474d0d3f84d39817a7 100644
--- a/chrome/browser/extensions/api/messaging/native_message_process_host.h
+++ b/chrome/browser/extensions/api/messaging/native_message_process_host.h
@@ -16,6 +16,8 @@
 #include "content/public/browser/browser_thread.h"
 #include "ui/gfx/native_widget_types.h"
 
+class PrefService;
+
 namespace net {
 
 class DrainableIOBuffer;
@@ -52,6 +54,12 @@ class NativeMessageProcessHost
 
   virtual ~NativeMessageProcessHost();
 
+  // Verifies that the native messaging host with the specified name is allowed
+  // by the system policies.
+  static bool IsHostAllowed(
+      const PrefService* pref_service,
+      const std::string& native_host_name);
+
   static scoped_ptr<NativeMessageProcessHost> Create(
       gfx::NativeView native_view,
       base::WeakPtr<Client> weak_client_ui,