Reland of 'Move content/browser/power_save_blocker to //device/power_save_blocker'

extensions/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("//extensions/extensions.gni")
 
 # GYP version: extensions/extensions.gyp:extensions_browser
 source_set("browser") {
   sources = []
@@ skipping 44 matching lines @@
     deps += [
       "//components/browsing_data",
       "//components/onc",
       "//components/storage_monitor",
       "//components/update_client",
       "//components/variations",
       "//crypto:platform",
       "//device/bluetooth",
       "//device/core",
       "//device/hid",
+      "//device/power_save_blocker",
       "//device/serial",
       "//device/usb",
       "//extensions/common/api/cast_channel:cast_channel_proto",
     ]
 
     if (is_chromeos) {
       deps += [ "//chromeos" ]
     }
 
     if (is_chromeos) {
@@ skipping 32 matching lines @@
       if (proprietary_codecs && enable_wifi_display) {
         wifi_display_sources = rebase_path(
                 extensions_gypi_values.extensions_browser_sources_wifi_display,
                 ".",
                 "//extensions")
         sources += wifi_display_sources
       }
     }
   }
 }