Move extensions storage API implementation to src/extensions

extensions/browser/api/storage/settings_backend.cc

Index: extensions/browser/api/storage/settings_backend.cc
diff --git a/chrome/browser/extensions/api/storage/settings_backend.cc b/extensions/browser/api/storage/settings_backend.cc
similarity index 89%
rename from chrome/browser/extensions/api/storage/settings_backend.cc
rename to extensions/browser/api/storage/settings_backend.cc
index 8264e334335ddbf19436bf8a2e196ad7b06b3741..85b4b58b5b7f78d9b5f75303fe8c53bead312964 100644
--- a/chrome/browser/extensions/api/storage/settings_backend.cc
+++ b/extensions/browser/api/storage/settings_backend.cc
@@ -2,11 +2,11 @@
 // 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/storage/settings_backend.h"
+#include "extensions/browser/api/storage/settings_backend.h"
 
 #include "base/logging.h"
-#include "chrome/browser/extensions/api/storage/settings_storage_factory.h"
 #include "content/public/browser/browser_thread.h"
+#include "extensions/browser/api/storage/settings_storage_factory.h"
 
 using content::BrowserThread;