[Cronet] Integrate CrNet functionality into Cronet on iOS.

components/cronet/ios/BUILD.gn

Index: components/cronet/ios/BUILD.gn
diff --git a/components/cronet/ios/BUILD.gn b/components/cronet/ios/BUILD.gn
index 38dfb99f79771606c85ce729862dbebcf1c2d239..c58a042f3371c7e12b398918a9a8751e99dbb156 100644
--- a/components/cronet/ios/BUILD.gn
+++ b/components/cronet/ios/BUILD.gn
@@ -33,6 +33,7 @@ source_set("cronet_sources") {
     "//components/metrics:metrics",
     "//components/metrics/proto:proto",
     "//components/prefs:prefs",
+    "//ios/net:net",
     "//net",
     "//url",
   ]
@@ -42,6 +43,9 @@ source_set("cronet_sources") {
     "../histogram_manager.h",
     "../url_request_context_config.cc",
     "../url_request_context_config.h",
+    "Cronet+TestSupport.h",
+    "Cronet.h",
+    "Cronet.mm",
     "cronet_bidirectional_stream.cc",
     "cronet_bidirectional_stream.h",
     "cronet_c_for_grpc.cc",
@@ -80,7 +84,7 @@ ios_framework_bundle("cronet_framework") {
 
   sources = [
     "Cronet.h",
-    "Cronet.mm",
+    "cronet_c_for_grpc.h",
   ]
 
   configs -= [ "//build/config/compiler:default_symbols" ]
@@ -104,6 +108,7 @@ test("cronet_test") {
   testonly = true
   sources = [
     "test/cronet_bidirectional_stream_test.mm",
+    "test/cronet_http_test.mm",
     "test/cronet_test_runner.mm",
     "test/quic_test_server.cc",
     "test/quic_test_server.h",