Clarifying the parameters ownership of BrowserChildProcessHost::Launch()

content/browser/browser_child_process_host_impl.cc

Index: content/browser/browser_child_process_host_impl.cc
diff --git a/content/browser/browser_child_process_host_impl.cc b/content/browser/browser_child_process_host_impl.cc
index 3bca51b7f445058af4e9e1757bd15d120ee82f86..5b155f4113a0cf8d7cad2cd9ca2ee748ebf0e5dd 100644
--- a/content/browser/browser_child_process_host_impl.cc
+++ b/content/browser/browser_child_process_host_impl.cc
@@ -227,13 +227,13 @@ void BrowserChildProcessHostImpl::CopyFeatureAndFieldTrialFlags(
 }
 
 void BrowserChildProcessHostImpl::Launch(
-    SandboxedProcessLauncherDelegate* delegate,
-    base::CommandLine* cmd_line,
+    std::unique_ptr<SandboxedProcessLauncherDelegate> delegate,
+    std::unique_ptr<base::CommandLine> cmd_line,
     bool terminate_on_shutdown) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
-  GetContentClient()->browser()->AppendExtraCommandLineSwitches(
-      cmd_line, data_.id);
+  GetContentClient()->browser()->AppendExtraCommandLineSwitches(cmd_line.get(),
+                                                                data_.id);
 
   const base::CommandLine& browser_command_line =
       *base::CommandLine::ForCurrentProcess();
@@ -256,7 +256,7 @@ void BrowserChildProcessHostImpl::Launch(
 
   notify_child_disconnected_ = true;
   child_process_.reset(new ChildProcessLauncher(
-      delegate, cmd_line, data_.id, this, child_token_,
+      std::move(delegate), std::move(cmd_line), data_.id, this, child_token_,
       base::Bind(&BrowserChildProcessHostImpl::OnMojoError,
                  weak_factory_.GetWeakPtr(),
                  base::ThreadTaskRunnerHandle::Get()),