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 6ae5273454b15c9902b05073a0de148bac0ab41e..4a0bd34f99e30cd2b2d873072a19543409b734cc 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -750,6 +750,7 @@ 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,