Revert of Migrates battery_status from content/renderer/ to WebKit/platform/

third_party/WebKit/public/blink_headers.gypi

 # 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.
 
 {
   'variables': {
     'blink_public_sources': [
       "platform/Platform.h",
       "platform/FilePathConversion.h",
       "platform/URLConversion.h",
       "platform/WebApiKeyValidator.h",
       "platform/WebApplicationCacheHost.h",
       "platform/WebApplicationCacheHostClient.h",
       "platform/WebAudioBus.h",
       "platform/WebAudioDestinationConsumer.h",
       "platform/WebAudioDevice.h",
       "platform/WebAudioSourceProvider.h",
       "platform/WebAudioSourceProviderClient.h",
+      "platform/WebBatteryStatus.h",
+      "platform/WebBatteryStatusListener.h",
       "platform/WebBlendMode.h",
       "platform/WebBlobData.h",
       "platform/WebBlobInfo.h",
       "platform/WebBlobRegistry.h",
       "platform/WebCString.h",
       "platform/WebCallbacks.h",
       "platform/WebCanvas.h",
       "platform/WebCanvasCaptureHandler.h",
       "platform/WebCircularGeofencingRegion.h",
       "platform/WebClipboard.h",
@@ skipping 474 matching lines @@
       "web/modules/serviceworker/WebServiceWorkerContextClient.h",
       "web/modules/serviceworker/WebServiceWorkerContextProxy.h",
       "web/modules/serviceworker/WebServiceWorkerNetworkProvider.h",
       "web/modules/webmidi/WebMIDIClient.h",
       "web/modules/webmidi/WebMIDIOptions.h",
       "web/modules/webmidi/WebMIDIPermissionRequest.h",
       "web/win/WebFontRendering.h",
     ],
   },
 }