Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/extensions/app_icon_loader_impl.cc

 // Copyright (c) 2012 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/app_icon_loader_impl.h"
 
 #include "base/stl_util.h"
 #include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/manifest_handlers/icons_handler.h"
+#include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/image/image_skia_operations.h"
 
 namespace {
 
 const extensions::Extension* GetExtensionByID(Profile* profile,
                                               const std::string& id) {
   ExtensionService* service =
       extensions::ExtensionSystem::Get(profile)->extension_service();
@@ skipping 83 matching lines @@
 
   if (!util::IsAppLaunchable(id, profile_)) {
     const color_utils::HSL shift = {-1, 0, 0.6};
     image = gfx::ImageSkiaOperations::CreateHSLShiftedImage(image, shift);
   }
 
   delegate_->SetAppImage(id, image);
 }
 
 }  // namespace extensions