Move all remaining appcache-related code to content namespace

content/browser/appcache/appcache_disk_cache.cc

Index: content/browser/appcache/appcache_disk_cache.cc
diff --git a/webkit/browser/appcache/appcache_disk_cache.cc b/content/browser/appcache/appcache_disk_cache.cc
similarity index 99%
rename from webkit/browser/appcache/appcache_disk_cache.cc
rename to content/browser/appcache/appcache_disk_cache.cc
index 9c16f98779e7dc071241f1e2a24460d8fa5ae173..50995c7190169993613e80dab3ec64b8fdb765d4 100644
--- a/webkit/browser/appcache/appcache_disk_cache.cc
+++ b/content/browser/appcache/appcache_disk_cache.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "webkit/browser/appcache/appcache_disk_cache.h"
+#include "content/browser/appcache/appcache_disk_cache.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ -13,7 +13,7 @@
 #include "net/base/cache_type.h"
 #include "net/base/net_errors.h"
 
-namespace appcache {
+namespace content {
 
 // A callback shim that provides storage for the 'backend_ptr' value
 // and will delete a resulting ptr if completion occurs after its
@@ -348,4 +348,4 @@ void AppCacheDiskCache::OnCreateBackendComplete(int rv) {
   pending_calls_.clear();
 }
 
-}  // namespace appcache
+}  // namespace content