[DeviceService] Move PowerMonitor interfaces, client lib, impl to live in Device Service

content/common/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("//media/media_options.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//ppapi/features/features.gni")
 import("//sandbox/features.gni")
@@ skipping 583 matching lines @@
     "url_loader.mojom",
     "url_loader_factory.mojom",
     "video_capture.mojom",
   ]
 
   import_dirs = [ "//mojo/services" ]
 
   public_deps = [
     "//components/leveldb/public/interfaces",
     "//content/public/common:interfaces",
-    "//device/power_monitor/public/interfaces",
 
     # TODO(mcasas): remove the following dep after https://crbug.com/653994
     "//gpu/ipc/common:interfaces",
     "//ipc:mojom",
     "//media/capture/mojo:capture_types",
     "//media/mojo/interfaces",
     "//mojo/common:common_custom_types",
     "//services/service_manager/public/interfaces",
     "//services/ui/public/interfaces",
     "//services/video_capture/public/interfaces",
     "//skia/public/interfaces",
     "//third_party/WebKit/public:mojo_bindings",
     "//ui/base/mojo:mojo_bindings",
     "//ui/gfx/geometry/mojo",
     "//ui/gfx/mojo",
     "//url/mojo:url_mojom_gurl",
     "//url/mojo:url_mojom_origin",
   ]
 
   export_class_attribute = "CONTENT_EXPORT"
   export_define = "CONTENT_IMPLEMENTATION=1"
   export_header = "content/common/content_export.h"
 }