Require manifests for native messaging hosts.

chrome/browser/extensions/api/messaging/native_process_launcher_posix.cc

Index: chrome/browser/extensions/api/messaging/native_process_launcher_posix.cc
diff --git a/chrome/browser/extensions/api/messaging/native_process_launcher_posix.cc b/chrome/browser/extensions/api/messaging/native_process_launcher_posix.cc
index 6297271817a49793166e207cc4a0dcc1d1fdabad..b2a5fff7bd439e4329b9e92fc770d16f9e30dc2b 100644
--- a/chrome/browser/extensions/api/messaging/native_process_launcher_posix.cc
+++ b/chrome/browser/extensions/api/messaging/native_process_launcher_posix.cc
@@ -9,9 +9,31 @@
 #include "base/logging.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/process_util.h"
+#include "chrome/browser/extensions/api/messaging/native_messaging_host_manifest.h"
 
 namespace extensions {
 
+namespace {
+
+const char kNativeMessagingDirectory[] =
+#if defined(OS_MAXOSX)
+    "/Library/Chrome/NativeMessagingHosts";
+#else
+    "/etc/opt/chrome/native-messaging-hosts";
+#endif
+
+}  // namespace
+
+// static
+scoped_ptr<NativeMessagingHostManifest>
+NativeProcessLauncher::FindAndLoadManifest(
+    const std::string& native_host_name,
+    std::string* error_message) {
+  FilePath manifest_path =
+      FilePath(kNativeMessagingDirectory).Append(native_host_name + ".json");
+  return NativeMessagingHostManifest::Load(manifest_path, error_message);
+}
+
 // static
 bool NativeProcessLauncher::LaunchNativeProcess(
     const base::FilePath& path,