Move Icons out of Extension class

chrome/browser/extensions/api/icons/icons_api.cc

Index: chrome/browser/extensions/api/icons/icons_api.cc
diff --git a/chrome/browser/extensions/api/icons/icons_api.cc b/chrome/browser/extensions/api/icons/icons_api.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4469307b2a5ef4e61d89ab0c11452aef04c3e6e2
--- /dev/null
+++ b/chrome/browser/extensions/api/icons/icons_api.cc
@@ -0,0 +1,31 @@
+// Copyright (c) 2013 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 "chrome/browser/extensions/api/icons/icons_api.h"
+
+#include "base/lazy_instance.h"
+#include "chrome/common/extensions/api/icons/icons_handler.h"
+#include "chrome/common/extensions/extension_manifest_constants.h"
+#include "chrome/common/extensions/manifest_handler.h"
+
+namespace extensions {
+
+static base::LazyInstance<ProfileKeyedAPIFactory<IconsAPI> >
+    g_factory = LAZY_INSTANCE_INITIALIZER;
+
+template <>
+ProfileKeyedAPIFactory<IconsAPI>*
+ProfileKeyedAPIFactory<IconsAPI>::GetInstance() {
+  return &g_factory.Get();
+}
+
+IconsAPI::IconsAPI(Profile* profile) {
+  ManifestHandler::Register(extension_manifest_keys::kIcons,
+                            new IconsHandler);
+}
+
+IconsAPI::~IconsAPI() {
+}
+
+}  // namespace extensions