Fix a couple of regressions that made it in before the weekend.

content/browser/renderer_host/media/audio_input_renderer_host.cc

Index: content/browser/renderer_host/media/audio_input_renderer_host.cc
diff --git a/content/browser/renderer_host/media/audio_input_renderer_host.cc b/content/browser/renderer_host/media/audio_input_renderer_host.cc
index 031f520c28bfac5f11429db94677fc8af4d5c6f0..85d269fb98e7a915931779925777b924acc92b64 100644
--- a/content/browser/renderer_host/media/audio_input_renderer_host.cc
+++ b/content/browser/renderer_host/media/audio_input_renderer_host.cc
@@ -374,22 +374,12 @@ void AudioInputRendererHost::CloseAndDeleteStream(AudioEntry* entry) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   if (!entry->pending_close) {
-    entry->controller->Close(base::Bind(&AudioInputRendererHost::OnStreamClosed,
+    entry->controller->Close(base::Bind(&AudioInputRendererHost::DeleteEntry,
                                         this, entry));
     entry->pending_close = true;
   }
 }
 
-void AudioInputRendererHost::OnStreamClosed(AudioEntry* entry) {
-  // We should be on the the audio-manager thread now.
-  DCHECK(entry->controller->message_loop()->BelongsToCurrentThread());
-
-  // Delete the entry after we've closed the stream.
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(&AudioInputRendererHost::DeleteEntry, this, entry));
-}
-
 void AudioInputRendererHost::DeleteEntry(AudioEntry* entry) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));