[GN] Put an obvious dependency on browser

chrome/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/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 311 matching lines @@
     ]
 
     configs += [ "//build/config:precompiled_headers" ]
 
     public_deps = [
       "//chrome/browser:test_support_ui",
     ]
     deps = [
       "//components/metrics:test_support",
       "//components/os_crypt:test_support",
+      "//content/public/browser:browser",
       "//skia",
       "//testing/gtest",
     ]
 
     if (enable_plugins) {
       sources += [
         "ppapi/ppapi_test.cc",
         "ppapi/ppapi_test.h",
       ]
     }
@@ skipping 4627 matching lines @@
       "touch_hud",
       "ui",
     ]
 
     if (is_linux && !is_android) {
       deps += [ "//components/font_service:manifest" ]
       packaged_services += [ "font_service" ]
     }
   }
 }