Create the IOSImageDataFetcherWrapper

components/image_fetcher/ios/BUILD.gn

+# Copyright 2017 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.
+
+source_set("ios") {
+  sources = [
+    "ios_image_data_fetcher_wrapper.h",
+    "ios_image_data_fetcher_wrapper.mm",
+  ]
+  deps = [
+    "//base",
+    "//components/image_fetcher",
+    "//ios/web/public/image_fetcher",
+    "//net",
+  ]
+  configs += [ "//build/config/compiler:enable_arc" ]
+}
+
+source_set("unit_tests") {
+  testonly = true
+  sources = [
+    "ios_image_data_fetcher_wrapper_unittest.mm",
+  ]
+  deps = [
+    ":ios",
+    "//base",
+    "//ios/web/public/image_fetcher",
+    "//net",
+    "//net:test_support",
+    "//testing/gmock",
+    "//testing/gtest",
+  ]
+  configs += [ "//build/config/compiler:enable_arc" ]
+}