Cleaning up src/media to be consistent with static versus anonymous namespaces.

media/audio/audio_manager.cc

Index: media/audio/audio_manager.cc
diff --git a/media/audio/audio_manager.cc b/media/audio/audio_manager.cc
index 5d1b195bf6a16d336ac576a78cdcda478a3d0098..4cdcbf3fc2d1621a672597c01f91767742701e31 100644
--- a/media/audio/audio_manager.cc
+++ b/media/audio/audio_manager.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -7,12 +7,8 @@
 #include "base/at_exit.h"
 #include "base/logging.h"
 
-namespace {
-
-bool g_destroy_called = false;
-AudioManager* g_audio_manager = NULL;
-
-}  // namespace
+static bool g_destroy_called = false;
+static AudioManager* g_audio_manager = NULL;
 
 // static
 void AudioManager::Destroy(void* not_used) {