Add //content/test:test_runner_support deps on //content/public/renderer

content/test/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 509 matching lines @@
   if (is_component_build) {
     check_includes = false
   }
 
   sources = [
     "../public/test/test_runner_support.h",
     "test_runner_support.cc",
   ]
 
   deps = [
+    "//content/public/renderer",
     "//content/renderer:for_content_tests",
     "//third_party/WebKit/public:blink",
   ]
 }
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 
   jinja_template("content_browsertests_manifest") {
     testonly = true
@@ skipping 1314 matching lines @@
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }