Upstream BrowserChildProcessHostImpl

content/browser/browser_child_process_host_impl_android.cc

+// Copyright (c) 2011 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 "content/browser/browser_child_process_host_impl.h"
+
+#include "base/command_line.h"
+#include "content/public/common/content_switches.h"
+
+// static
+void BrowserChildProcessHostImpl::AppendCommonChildCommandLine(
+    CommandLine* cmd_line) {
+  // The child process needs some essential information very early during its
+  // life. We pass these as arguments
+
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kUseMobileUserAgent)) {
+    cmd_line->AppendSwitch(switches::kUseMobileUserAgent);

[jam, 2012/10/11 02:09:14]

does this need to be passed to all subprocess types or just renderer? if the
latter, why isn't this in render_process_host_impl.cc? if the former, which
other processes need this?

+  }
+}