Improve process launch handle sharing API.

content/common/sandbox_win.cc

Index: content/common/sandbox_win.cc
diff --git a/content/common/sandbox_win.cc b/content/common/sandbox_win.cc
index bf52c336b8ed3738e814ef2e74f0cfe0ed39b906..4719a0e9121a38d89d30d8a1dae7bd99a149d51c 100644
--- a/content/common/sandbox_win.cc
+++ b/content/common/sandbox_win.cc
@@ -745,11 +745,7 @@ sandbox::ResultCode StartSandboxedProcess(
       browser_command_line.HasSwitch(switches::kNoSandbox) ||
       cmd_line->HasSwitch(switches::kNoSandbox)) {
     base::LaunchOptions options;
-    base::HandlesToInheritVector handles = handles_to_inherit;
-    if (!handles_to_inherit.empty()) {
-      options.inherit_handles = true;
-      options.handles_to_inherit = &handles;
-    }
+    options.handles_to_inherit = handles_to_inherit;
     *process = base::LaunchProcess(*cmd_line, options);
     return sandbox::SBOX_ALL_OK;
   }