Remove remains of webrtc/base

webrtc/modules/congestion_controller/BUILD.gn

Index: webrtc/modules/congestion_controller/BUILD.gn
diff --git a/webrtc/modules/congestion_controller/BUILD.gn b/webrtc/modules/congestion_controller/BUILD.gn
index c3ee11fd5455239f4f6b024028290a4d4a02e0af..27921b73e60430d435f5fb1da452a5c98b65f39e 100644
--- a/webrtc/modules/congestion_controller/BUILD.gn
+++ b/webrtc/modules/congestion_controller/BUILD.gn
@@ -51,10 +51,10 @@ rtc_static_library("congestion_controller") {
   deps = [
     "..:module_api",
     "../..:webrtc_common",
-    "../../base:rtc_base",
-    "../../base:rtc_base_approved",
-    "../../base:rtc_numerics",
     "../../logging:rtc_event_log_api",
+    "../../rtc_base:rtc_base",
+    "../../rtc_base:rtc_base_approved",
+    "../../rtc_base:rtc_numerics",
     "../../system_wrappers",
     "../bitrate_controller",
     "../pacing",
@@ -91,9 +91,9 @@ if (rtc_include_tests) {
     deps = [
       ":congestion_controller",
       ":mock_congestion_controller",
-      "../../base:rtc_base",
-      "../../base:rtc_base_approved",
-      "../../base:rtc_base_tests_utils",
+      "../../rtc_base:rtc_base",
+      "../../rtc_base:rtc_base_approved",
+      "../../rtc_base:rtc_base_tests_utils",
       "../../system_wrappers:system_wrappers",
       "../../test:field_trial",
       "../../test:test_support",