Require manifests for native messaging hosts.

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/messaging/native_process_launcher.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #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,
     base::ProcessHandle* native_process_handle,
     base::PlatformFile* read_file,
     base::PlatformFile* write_file) {
   base::FileHandleMappingVector fd_map;
 
   int read_pipe_fds[2] = {0};
   if (HANDLE_EINTR(pipe(read_pipe_fds)) != 0) {
@@ skipping 25 matching lines @@
   write_pipe_read_fd.reset();
   read_pipe_write_fd.reset();
 
   *read_file = *read_pipe_read_fd.release();
   *write_file = *write_pipe_write_fd.release();
 
   return true;
 }
 
 }  // namespace extensions