Consolidate 4 GetIntentHelper functions

components/arc/intent_helper/activity_icon_loader.h

 // Copyright 2016 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.
 
 #ifndef COMPONENTS_ARC_INTENT_HELPER_ACTIVITY_ICON_LOADER_H_
 #define COMPONENTS_ARC_INTENT_HELPER_ACTIVITY_ICON_LOADER_H_
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread_checker.h"
 #include "components/arc/arc_service.h"
 #include "components/arc/common/intent_helper.mojom.h"
+#include "components/arc/intent_helper/arc_intent_helper_bridge.h"
 #include "ui/base/layout.h"
 #include "ui/gfx/image/image.h"
 
 namespace arc {
 
 // A class which retrieves an activity icon from ARC.
 class ActivityIconLoader : public base::RefCounted<ActivityIconLoader> {
  public:
   struct Icons {
     Icons(const gfx::Image& icon16, const gfx::Image& icon20);
@@ skipping 81 matching lines @@
   ActivityToIconsMap cached_icons_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(ActivityIconLoader);
 };
 
 }  // namespace arc
 
 #endif  // COMPONENTS_ARC_INTENT_HELPER_ACTIVITY_ICON_LOADER_H_