Move ImageFetcher to its own target.

ios/chrome/browser/suggestions/image_fetcher_impl.mm

 // 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 "ios/chrome/browser/suggestions/image_fetcher_impl.h"
 
 #include <UIKit/UIKit.h>
 
 #include "base/threading/sequenced_worker_pool.h"
 #include "components/image_fetcher/image_fetcher_delegate.h"
-#include "ios/chrome/browser/net/image_fetcher.h"
+#include "ios/chrome/browser/net/image_fetcher/image_fetcher.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "skia/ext/skia_utils_ios.h"
 #include "ui/gfx/image/image.h"
 
 namespace suggestions {
 
 ImageFetcherImpl::ImageFetcherImpl(
     net::URLRequestContextGetter* url_request_context,
     base::SequencedWorkerPool* blocking_pool) {
   imageFetcher_.reset(new ::ImageFetcher(blocking_pool));
@@ skipping 47 matching lines @@
       gfx::Image empty_image;
       callback.Run(fetch_id, empty_image);
       if (delegate_) {
         delegate_->OnImageFetched(fetch_id, empty_image);
       }
   };
   imageFetcher_->StartDownload(image_url, fetcher_callback);
 }
 
 }  // namespace suggestions