Move web_request directory to //extensions.

extensions/browser/BUILD.gn

Index: extensions/browser/BUILD.gn
diff --git a/extensions/browser/BUILD.gn b/extensions/browser/BUILD.gn
index 54933f2b3213301d396c3d13b0cd58492d7131f0..bfdf2b5f8d3628f199bb2cd4e9b95e18c64bfe07 100644
--- a/extensions/browser/BUILD.gn
+++ b/extensions/browser/BUILD.gn
@@ -15,6 +15,7 @@ source_set("browser") {
     "//components/keyed_service/core",
     "//components/pref_registry",
     "//components/sessions",
+    "//components/web_cache/browser",
     "//components/web_modal",
     "//content/public/browser",
     "//extensions/common",
@@ -217,6 +218,12 @@ source_set("browser") {
       "api/usb/usb_device_resource.h",
       "api/usb_private/usb_private_api.cc",
       "api/usb_private/usb_private_api.h",
+      "api/web_request/form_data_parser.cc",
+      "api/web_request/form_data_parser.h",
+      "api/web_request/upload_data_presenter.cc",
+      "api/web_request/upload_data_presenter.h",
+      "api/web_request/web_request_api.cc",
+      "api/web_request/web_request_api.h",
       "api/web_request/web_request_api_constants.cc",
       "api/web_request/web_request_api_constants.h",
       "api/web_request/web_request_api_helpers.cc",
@@ -227,6 +234,8 @@ source_set("browser") {
       "api/web_request/web_request_permissions.h",
       "api/web_request/web_request_event_router_delegate.cc",
       "api/web_request/web_request_event_router_delegate.h",
+      "api/web_request/web_request_time_tracker.cc",
+      "api/web_request/web_request_time_tracker.h",
       "api/web_view/web_view_internal_api.cc",
       "api/web_view/web_view_internal_api.h",
       "api_activity_monitor.h",