Replace image_messages.h with Mojo service

content/renderer/image_loading_helper.h

Index: content/renderer/image_loading_helper.h
diff --git a/content/renderer/image_loading_helper.h b/content/renderer/image_loading_helper.h
deleted file mode 100644
index d5daf8fa517966f3e11d719238283cc3672a0dae..0000000000000000000000000000000000000000
--- a/content/renderer/image_loading_helper.h
+++ /dev/null
@@ -1,79 +0,0 @@
-// 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.
-
-#ifndef CONTENT_RENDERER_IMAGE_LOADING_HELPER_H_
-#define CONTENT_RENDERER_IMAGE_LOADING_HELPER_H_
-
-#include <string>
-#include <vector>
-
-#include "base/memory/scoped_vector.h"
-#include "content/public/renderer/render_frame_observer.h"
-#include "url/gurl.h"
-
-class SkBitmap;
-
-namespace content {
-
-class MultiResolutionImageResourceFetcher;
-
-// This class deals with image downloading.
-// One instance of ImageLoadingHelper is owned by RenderFrame.
-class ImageLoadingHelper : public RenderFrameObserver {
- public:
-  explicit ImageLoadingHelper(RenderFrame* render_frame);
-
- private:
-  ~ImageLoadingHelper() override;
-
-  // Message handler.
-  void OnDownloadImage(int id,
-                       const GURL& image_url,
-                       bool is_favicon,
-                       uint32_t max_image_size,
-                       bool bypass_cache);
-
-  // Requests to download an image. When done, the ImageLoadingHelper
-  // is notified by way of DidDownloadImage. Returns true if the
-  // request was successfully started, false otherwise. id is used to
-  // uniquely identify the request and passed back to the
-  // DidDownloadImage method. If the image is a favicon, cookies will not be
-  // sent nor accepted during download. If the image has multiple frames, all
-  // the frames whose size <= |max_image_size| are returned. If all of the
-  // frames are larger than |max_image_size|, the smallest frame is resized to
-  // |max_image_size| and is the only result. |max_image_size| == 0 is
-  // interpreted as no max image size.
-  bool DownloadImage(int id,
-                     const GURL& image_url,
-                     bool is_favicon,
-                     uint32_t max_image_size,
-                     bool bypass_cache);
-
-  // This callback is triggered when DownloadImage completes, either
-  // succesfully or with a failure. See DownloadImage for more
-  // details.
-  void DidDownloadImage(
-      uint32_t max_image_size,
-      MultiResolutionImageResourceFetcher* fetcher,
-      const std::vector<SkBitmap>& images);
-
-  // Decodes a data: URL image or returns an empty image in case of failure.
-  SkBitmap ImageFromDataUrl(const GURL&) const;
-
-  // RenderFrameObserver implementation.
-  bool OnMessageReceived(const IPC::Message& message) override;
-
-  typedef ScopedVector<MultiResolutionImageResourceFetcher>
-      ImageResourceFetcherList;
-
-  // ImageResourceFetchers schedule via DownloadImage.
-  ImageResourceFetcherList image_fetchers_;
-
-  DISALLOW_COPY_AND_ASSIGN(ImageLoadingHelper);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_IMAGE_LOADING_HELPER_H_
-