Move iOS ImageFetcher to ios/web/public

ios/web/BUILD.gn

 # Copyright 2015 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.
 
 import("//ios/build/config.gni")
 import("//ios/web/js_compile.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 
 source_set("web_arc") {
@@ skipping 345 matching lines @@
 source_set("test_support") {
   testonly = true
 
   deps = [
     ":web",
     "//base",
     "//base/test:test_support",
     "//ios/testing:ios_test_support",
     "//ios/testing:ocmock_support",
     "//ios/third_party/gcdwebserver",
+    "//ios/web/public/image_fetcher",
     "//ios/web/test:mojo_bindings",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/ocmock",
     "//ui/base:base",
   ]
 
   sources = [
     "public/test/crw_test_js_injection_receiver.h",
     "public/test/crw_test_js_injection_receiver.mm",
     "public/test/http_server.h",
     "public/test/http_server.mm",
     "public/test/http_server_util.h",
     "public/test/http_server_util.mm",
     "public/test/js_test_util.h",
     "public/test/js_test_util.mm",
+    "public/test/mock_image_data_fetcher.h",
+    "public/test/mock_image_data_fetcher.mm",
     "public/test/native_controller_test_util.h",
     "public/test/native_controller_test_util.mm",
     "public/test/navigation_test_util.h",
     "public/test/navigation_test_util.mm",
     "public/test/response_providers/data_response_provider.h",
     "public/test/response_providers/data_response_provider.mm",
     "public/test/response_providers/delayed_response_provider.h",
     "public/test/response_providers/delayed_response_provider.mm",
     "public/test/response_providers/error_page_response_provider.h",
     "public/test/response_providers/error_page_response_provider.mm",
@@ skipping 78 matching lines @@
   deps = [
     ":core",
     ":ios_web_unittests_bundle_data",
     ":run_all_unittests",
     ":test_support",
     ":web",
     "//base",
     "//base/test:test_support",
     "//ios/net",
     "//ios/testing:ocmock_support",
+    "//ios/web/public/image_fetcher:unit_tests",
     "//ios/web/test:mojo_bindings",
     "//net:test_support",
     "//services/service_manager/public/cpp",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/ocmock",
     "//ui/base:test_support",
   ]
 
   sources = [
@@ skipping 123 matching lines @@
 }
 
 grit("resources") {
   source = "ios_web_resources.grd"
   use_qualified_include = true
   outputs = [
     "grit/ios_web_resources.h",
     "ios_web_resources.pak",
   ]
 }