Move webCacheManager to //components.

components/web_cache/common/pref_names.cc

Index: components/web_cache/common/pref_names.cc
diff --git a/components/web_cache/common/pref_names.cc b/components/web_cache/common/pref_names.cc
new file mode 100644
index 0000000000000000000000000000000000000000..92c3ab4783a51f6208b9d9999b4d5a0a49661f49
--- /dev/null
+++ b/components/web_cache/common/pref_names.cc
@@ -0,0 +1,15 @@
+// Copyright 2014 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.
+
+#include "components/web_cache/common/pref_names.h"
+
+namespace web_cache {
+namespace prefs {
+
+// An integer specifying the total number of bytes to be used by the
+// renderer's in-memory cache of objects.
+const char kMemoryCacheSize[] = "renderer.memory_cache.size";
+
+}  // namespace prefs
+}  // namespace web_cache