Increase Windows XP hardware buffer size to 4096.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 5e470e08d2459aed3ea544bc9a7711c4d3f454e4..37536467e1cf3756d6857bc76c79b6552e1bf604 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -746,6 +746,7 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
   static const char* const kSwitchNames[] = {
     // We propagate the Chrome Frame command line here as well in case the
     // renderer is not run in the sandbox.
+    switches::kAudioBufferSize,
     switches::kAuditAllHandles,
     switches::kAuditHandles,
     switches::kChromeFrame,