Remove the old package manager

content/browser/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/features.gni")
 import("//build/config/ui.gni")
 import("//content/browser/browser.gni")
 import("//media/media_options.gni")
 
 source_set("browser") {
@@ skipping 23 matching lines @@
     "//content/browser/speech/proto",
     "//content/public/common:common_sources",
     "//content/public/common:mojo_bindings",
     "//crypto",
     "//device/battery",
     "//device/vibration",
     "//google_apis",
     "//mojo/common",
     "//mojo/public/cpp/bindings",
     "//mojo/shell",
-    "//mojo/shell/package_manager",
     "//mojo/shell/public/cpp:cpp_for_chromium",
     "//mojo/shell/public/interfaces",
     "//net",
     "//net:extras",
     "//skia",
     "//sql",
     "//third_party/WebKit/public:blink_headers",
     "//third_party/kasko:kasko_features",
     "//third_party/npapi",
     "//third_party/re2",
@@ skipping 487 matching lines @@
 
   if (enable_webvr && is_android) {
     sources += [
       "vr/android/cardboard/cardboard_vr_device.cc",
       "vr/android/cardboard/cardboard_vr_device.h",
       "vr/android/cardboard/cardboard_vr_device_provider.cc",
       "vr/android/cardboard/cardboard_vr_device_provider.h",
     ]
   }
 }