Move manifest_handler_helpers to //extensions

chrome/common/extensions/manifest_handlers/icons_handler.cc

 // 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/common/extensions/manifest_handlers/icons_handler.h"
 
 #include "base/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension_file_util.h"
-#include "chrome/common/extensions/manifest_handler_helpers.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_constants.h"
+#include "extensions/common/manifest_handler_helpers.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/size.h"
 
 namespace extensions {
 
 namespace keys = manifest_keys;
 
@@ skipping 74 matching lines @@
       extension,
       IDS_EXTENSION_LOAD_ICON_FAILED,
       error);
 }
 
 const std::vector<std::string> IconsHandler::Keys() const {
   return SingleKey(keys::kIcons);
 }
 
 }  // namespace extensions