[Suggestions] Headers cleanup for iOS image encoder

components/suggestions/image_manager.cc

 // Copyright 2014 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 "components/suggestions/image_manager.h"
 
 #include "base/bind.h"
+#include "components/suggestions/image_encoder.h"
 #include "components/suggestions/image_fetcher.h"
 
-#if defined(OS_IOS)
-#include "components/suggestions/image_encoder_ios.h"
-#else
-#include "components/suggestions/image_encoder.h"
-#endif
-
 using leveldb_proto::ProtoDatabase;
 
 namespace suggestions {
 
 ImageManager::ImageManager() : weak_ptr_factory_(this) {}
 
 ImageManager::ImageManager(scoped_ptr<ImageFetcher> image_fetcher,
                            scoped_ptr<ProtoDatabase<ImageData> > database,
                            const base::FilePath& database_dir)
     : image_fetcher_(image_fetcher.Pass()),
@@ skipping 176 matching lines @@
        it != pending_cache_requests_.end(); ++it) {
     const ImageCacheRequest& request = it->second;
     for (CallbackVector::const_iterator callback_it = request.callbacks.begin();
          callback_it != request.callbacks.end(); ++callback_it) {
       ServeFromCacheOrNetwork(request.url, request.image_url, *callback_it);
     }
   }
 }
 
 }  // namespace suggestions