Extract Cronet-only ios/net:network_protocol target.

Files in this target are not used in Chrome for iOS app.

Bug: 585700
Change-Id: Ib3a6b497a200f8c5afadf07b36a29c067b574f83
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1614462Reviewed-by: Misha Efimov <mef@chromium.org>
Commit-Queue: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#660900}

components/cronet/ios/BUILD.gn

@@ -47,7 +47,8 @@ _cronet_deps = [
   "//components/cronet/native:cronet_native_impl",
   "//components/grpc_support",
   "//components/prefs:prefs",
-  "//ios/net:net",
+  "//ios/net",
+  "//ios/net:network_protocol",
   "//ios/web/public:user_agent",
   "//ios/web/public/global_state",
   "//net",

ios/chrome/browser/tabs/tab.h

@@ -10,7 +10,6 @@
 #include <memory>
 #include <vector>
 
-#include "ios/net/request_tracker.h"
 #include "ios/web/public/user_agent.h"
 #include "ui/base/page_transition_types.h"
 

ios/chrome/browser/tabs/tab_private.h

@@ -5,8 +5,6 @@
 #ifndef IOS_CHROME_BROWSER_TABS_TAB_PRIVATE_H_
 #define IOS_CHROME_BROWSER_TABS_TAB_PRIVATE_H_
 
-#include "ios/net/request_tracker.h"
-
 @class CRWWebController;
 
 // Exposed private methods for testing purpose.

ios/net/BUILD.gn

@@ -31,9 +31,6 @@ source_set("net") {
   configs += [ "//build/config/compiler:enable_arc" ]
 
   sources = [
-    "chunked_data_stream_uploader.cc",
-    "chunked_data_stream_uploader.h",
-    "clients/crn_network_client_protocol.h",
     "cookies/cookie_cache.cc",
     "cookies/cookie_cache.h",
     "cookies/cookie_creation_time_manager.h",
@@ -50,27 +47,16 @@ source_set("net") {
     "cookies/system_cookie_store.mm",
     "cookies/system_cookie_util.h",
     "cookies/system_cookie_util.mm",
-    "crn_http_protocol_handler.h",
-    "crn_http_protocol_handler.mm",
-    "crn_http_protocol_handler_proxy.h",
-    "crn_http_protocol_handler_proxy_with_client_thread.h",
-    "crn_http_protocol_handler_proxy_with_client_thread.mm",
     "crn_http_url_response.h",
     "crn_http_url_response.mm",
     "empty_nsurlcache.h",
     "empty_nsurlcache.mm",
     "http_cache_helper.cc",
     "http_cache_helper.h",
-    "http_protocol_logging.h",
-    "http_protocol_logging.mm",
     "http_response_headers_util.h",
     "http_response_headers_util.mm",
-    "nsurlrequest_util.h",
-    "nsurlrequest_util.mm",
     "protocol_handler_util.h",
     "protocol_handler_util.mm",
-    "request_tracker.h",
-    "request_tracker.mm",
     "url_scheme_util.h",
     "url_scheme_util.mm",
   ]
@@ -80,6 +66,39 @@ source_set("net") {
   }
 }
 
+source_set("network_protocol") {
+  deps = [
+    ":ios_net_buildflags",
+    ":net",
+    "//base",
+    "//net",
+    "//url:buildflags",
+  ]
+
+  configs += [ "//build/config/compiler:enable_arc" ]
+
+  sources = [
+    "chunked_data_stream_uploader.cc",
+    "chunked_data_stream_uploader.h",
+    "clients/crn_network_client_protocol.h",
+    "crn_http_protocol_handler.h",
+    "crn_http_protocol_handler.mm",
+    "crn_http_protocol_handler_proxy.h",
+    "crn_http_protocol_handler_proxy_with_client_thread.h",
+    "crn_http_protocol_handler_proxy_with_client_thread.mm",
+    "http_protocol_logging.h",
+    "http_protocol_logging.mm",
+    "nsurlrequest_util.h",
+    "nsurlrequest_util.mm",
+    "request_tracker.h",
+    "request_tracker.mm",
+  ]
+
+  if (!use_platform_icu_alternatives) {
+    deps += [ "//base:i18n" ]
+  }
+}
+
 source_set("test_support") {
   testonly = true
   configs += [ "//build/config/compiler:enable_arc" ]
@@ -103,6 +122,7 @@ test("ios_net_unittests") {
   configs += [ "//build/config/compiler:enable_arc" ]
   deps = [
     ":net",
+    ":network_protocol",
     ":test_support",
     "//base",
     "//base/test:run_all_unittests",