Create the IOSImageDataFetcherWrapper

components/image_fetcher/ios/BUILD.gn

Index: components/image_fetcher/ios/BUILD.gn
diff --git a/components/image_fetcher/ios/BUILD.gn b/components/image_fetcher/ios/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..d21355e0b1ccfe8242b54f25a9ae1f0fa135e492
--- /dev/null
+++ b/components/image_fetcher/ios/BUILD.gn
@@ -0,0 +1,34 @@
+# 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") {
+  configs += [ "//build/config/compiler:enable_arc" ]

[sdefresne, 2017/02/02 10:42:05]

nit: please move the "configs" line at the bottom of the source_set declaration
(I know that the declaration added by the conversion script are at the top, but
I think they are better at the end and plan to move them all once the conversion
is over)

[gambard, 2017/02/02 11:57:02]

Done.

+  sources = [
+    "ios_image_data_fetcher_wrapper.h",
+    "ios_image_data_fetcher_wrapper.mm",
+  ]
+  deps = [
+    "//base",
+    "//components/image_fetcher",
+    "//ios/web/public/image_fetcher",
+    "//net",
+  ]
+}
+
+source_set("unit_tests") {
+  configs += [ "//build/config/compiler:enable_arc" ]

[sdefresne, 2017/02/02 10:42:05]

ditto

[gambard, 2017/02/02 11:57:02]

Done.

+  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",
+  ]
+}