[iOS/GN] Fix and enable "gn check" for "//ios/*" and "//ios_internal/*".

ios/web/BUILD.gn

Index: ios/web/BUILD.gn
diff --git a/ios/web/BUILD.gn b/ios/web/BUILD.gn
index 4cfffa3609137c44ad6a3d67fa66f04d00e3ed76..1456a072e6879d7a93962ae078d8b0d1d5ac55e8 100644
--- a/ios/web/BUILD.gn
+++ b/ios/web/BUILD.gn
@@ -116,12 +116,12 @@ source_set("web") {
     "public/ssl_status.cc",
     "public/ssl_status.h",
     "public/string_util.h",
+    "public/url_data_source_ios.h",
     "public/url_scheme_util.h",
     "public/url_schemes.h",
     "public/url_schemes.mm",
     "public/url_util.h",
     "public/user_metrics.h",
-    "public/web/url_data_source_ios.h",
     "public/web_capabilities.cc",
     "public/web_capabilities.h",
     "public/web_client.h",
@@ -260,6 +260,7 @@ source_set("web") {
 source_set("core") {
   deps = [
     "//base",
+    "//url",
   ]
 
   sources = [
@@ -286,6 +287,9 @@ source_set("earl_grey_test_support") {
 
   deps = [
     ":test_support",
+    ":web",
+    "//base",
+    "//base/test:test_support",
     "//ios/third_party/earl_grey",
   ]
 
@@ -382,13 +386,18 @@ bundle_data("ios_web_unittests_bundle_data") {
 
 test("ios_web_unittests") {
   deps = [
+    ":core",
     ":ios_web_unittests_bundle_data",
     ":test_support",
     ":web",
     "//base",
     "//base/test:test_support",
+    "//ios/net",
     "//ios/testing:ocmock_support",
+    "//ios/web/test:mojo_bindings",
+    "//mojo/edk/system",
     "//net:test_support",
+    "//services/shell/public/cpp",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/ocmock",
@@ -458,6 +467,7 @@ test("ios_web_inttests") {
     ":test_support",
     ":web",
     "//base/test:test_support",
+    "//mojo/edk/system",
     "//net:test_support",
     "//testing/gtest",
     "//ui/base:test_support",