Periodically update channel parameters and send TargetBitrate message.

webrtc/base/BUILD.gn

Index: webrtc/base/BUILD.gn
diff --git a/webrtc/base/BUILD.gn b/webrtc/base/BUILD.gn
index 26c0c2cfd143465f7b7eebd105de781031c080eb..59b4f957d021be6d1ee60a7eae3a94e4fd5f881a 100644
--- a/webrtc/base/BUILD.gn
+++ b/webrtc/base/BUILD.gn
@@ -708,13 +708,33 @@ if (rtc_include_tests) {
     }
   }
 
+  # Test utilities only depending on base_approved.
+  rtc_source_set("rtc_base_approved_tests_utils") {
+    testonly = true
+    sources = [
+      "fakeclock.cc",
+      "fakeclock.h",
+      "testbase64.h",
+      "timedelta.h",
+    ]
+    configs += [ ":rtc_base_tests_utils_warnings_config" ]
+    public_configs = [ ":rtc_base_tests_utils_exported_config" ]
+    deps = [
+      ":rtc_base_approved",
+      "../test:test_support",
+    ]
+
+    if (!build_with_chromium && is_clang) {
+      # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
+      suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
+    }
+  }
+
   rtc_source_set("rtc_base_tests_utils") {
     testonly = true
     sources = [
       # Also use this as a convenient dumping ground for misc files that are
       # included by multiple targets below.
-      "fakeclock.cc",
-      "fakeclock.h",
       "fakenetwork.h",
       "fakesslidentity.h",
       "faketaskrunner.h",
@@ -729,16 +749,15 @@ if (rtc_include_tests) {
       "nattypes.h",
       "sigslottester.h",
       "sigslottester.h.pump",
-      "testbase64.h",
       "testechoserver.h",
       "testutils.h",
-      "timedelta.h",
       "unittest_main.cc",
     ]
     configs += [ ":rtc_base_tests_utils_warnings_config" ]
     public_configs = [ ":rtc_base_tests_utils_exported_config" ]
     deps = [
       ":rtc_base",
+      ":rtc_base_approved_tests_utils",
       "../test:field_trial",
       "../test:test_support",
     ]