rtc_task_queue should not expose rtc_base_approved API

webrtc/rtc_base/BUILD.gn

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//build/config/crypto.gni")
 import("//build/config/ui.gni")
@@ skipping 278 matching lines @@
   if (is_nacl) {
     deps += [ "//native_client_sdk/src/libraries/nacl_io" ]
   }
 }
 
 config("enable_libevent_config") {
   defines = [ "WEBRTC_BUILD_LIBEVENT" ]
 }
 
 rtc_source_set("rtc_task_queue") {
+  deps = [
+    ":rtc_base_approved",
+  ]
   public_deps = [
-    ":rtc_base_approved",
     ":rtc_task_queue_api",
   ]
 
   if (rtc_link_task_queue_impl) {
-    deps = [
-      ":rtc_task_queue_impl",
-    ]
+    deps += [ ":rtc_task_queue_impl" ]
   }
 }
 
 # WebRTC targets must not directly depend on rtc_task_queue_api or
 # rtc_task_queue_impl. Instead, depend on rtc_task_queue.
 # The build flag |rtc_link_task_queue_impl| decides if WebRTC targets will link
 # to the default implemenation in rtc_task_queue_impl or if an externally
 # provided implementation should be used. An external implementation should
 # depend on rtc_task_queue_api.
 rtc_source_set("rtc_task_queue_api") {
@@ skipping 47 matching lines @@
   }
 }
 
 rtc_static_library("sequenced_task_checker") {
   sources = [
     "sequenced_task_checker.h",
     "sequenced_task_checker_impl.cc",
     "sequenced_task_checker_impl.h",
   ]
   deps = [
+    ":rtc_base_approved",
     ":rtc_task_queue",
   ]
 }
 
 rtc_static_library("weak_ptr") {
   sources = [
     "weak_ptr.cc",
     "weak_ptr.h",
   ]
   deps = [
@@ skipping 513 matching lines @@
     # gets additional generated targets which would require many lines here to
     # cover (which would be confusing to read and hard to maintain).
     if (!is_android && !is_ios) {
       # TODO(kjellander): Reenable after finishing https://bugs.webrtc.org/7634.
       #visibility = [ "..:rtc_unittests" ]
     }
     sources = [
       "task_queue_unittest.cc",
     ]
     deps = [
+      ":rtc_base_approved",
       ":rtc_base_tests_main",
       ":rtc_base_tests_utils",
       ":rtc_task_queue",
       "../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" ]
     }
   }
@@ skipping 142 matching lines @@
 if (is_android) {
   android_library("base_java") {
     java_files = [
       "java/src/org/webrtc/ContextUtils.java",
       "java/src/org/webrtc/Logging.java",
       "java/src/org/webrtc/Size.java",
       "java/src/org/webrtc/ThreadUtils.java",
     ]
   }
 }