[Chromecast] Add proxy server support to chromecast

chromecast/browser/BUILD.gn

 # Copyright 2015 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/ui.gni")
 import("//chromecast/chromecast.gni")
 import("//services/service_manager/public/service_manifest.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 
@@ skipping 83 matching lines @@
     "//components/metrics",
     "//components/metrics:gpu",
     "//components/metrics:net",
     "//components/metrics:profiler",
 
     # TODO(gfhuang): Eliminate this dependency if ScreenInfoMetricsProvider
     # isn't needed. crbug.com/541577
     "//components/metrics:ui",
     "//components/network_hints/browser",
     "//components/prefs",
+    "//components/proxy_config",
     "//content",
     "//content/public/browser",
     "//content/public/common",
     "//content/public/common:service_names",
     "//content/public/utility",
     "//device/geolocation",
     "//gpu",
     "//ipc",
     "//media",
     "//net",
@@ skipping 161 matching lines @@
       "android/apk/src/org/chromium/chromecast/shell/CastContentWindowAndroid.java",
       "android/apk/src/org/chromium/chromecast/shell/CastCrashHandler.java",
       "android/apk/src/org/chromium/chromecast/shell/CastMetricsHelper.java",
       "android/apk/src/org/chromium/chromecast/shell/CastSysInfoAndroid.java",
       "android/apk/src/org/chromium/chromecast/shell/CastWebContentsActivity.java",
     ]
 
     jni_package = "chromecast"
   }
 }