Add a MultiProcessTest::SpawnChildWithOptions().

base/test/multiprocess_test.h

 // 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.
 
 #ifndef BASE_TEST_MULTIPROCESS_TEST_H_
 #define BASE_TEST_MULTIPROCESS_TEST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 38 matching lines @@
   // run.
   //
   // Example signature:
   //    extern "C" int __declspec(dllexport) FooBar() {
   //         // do client work here
   //    }
   //
   // Returns the handle to the child, or NULL on failure
   ProcessHandle SpawnChild(const std::string& procname, bool debug_on_start);
 
+  // Run a child process using the given launch options.
+  //
+  // Note: On Windows, you probably want to set |options.start_hidden|.
+  ProcessHandle SpawnChildWithOptions(const std::string& procname,
+                                      const LaunchOptions& options,
+                                      bool debug_on_start);
+
 #if defined(OS_POSIX)
-  // TODO(evan): see if we can delete this via more refactoring.
-  // SpawnChild() should just take a base::LaunchOptions so that we don't
-  // need multiple versions of it.
+  // TODO(vtl): Remove this in favor of |SpawnChildWithOptions()|. Probably keep
+  // the no-options |SpawnChild()| around for ease-of-use.
   ProcessHandle SpawnChild(const std::string& procname,
                            const FileHandleMappingVector& fds_to_map,
                            bool debug_on_start);
 #endif
 
   // Set up the command line used to spawn the child process.
   virtual CommandLine MakeCmdLine(const std::string& procname,
                                   bool debug_on_start);
 
  private:
-  // Shared implementation of SpawnChild.
-  // TODO: |fds_to_map| is unused on Windows; see above TODO about
-  // further refactoring.
-  ProcessHandle SpawnChildImpl(const std::string& procname,
-                               const FileHandleMappingVector& fds_to_map,
-                               bool debug_on_start);
-
   DISALLOW_COPY_AND_ASSIGN(MultiProcessTest);
 };
 
 }  // namespace base
 
 #endif  // BASE_TEST_MULTIPROCESS_TEST_H_