Mojoify PoweMonitorMessageBroadcaster IPC from browser to child process

content/browser/renderer_host/render_process_host_impl.h

Index: content/browser/renderer_host/render_process_host_impl.h
diff --git a/content/browser/renderer_host/render_process_host_impl.h b/content/browser/renderer_host/render_process_host_impl.h
index d7d60677a9b773ef8bb04d1c3b6b9365ec7fc05f..7d5013d5fc5e1d7c2f31fd02235efd38fe6c4dd7 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -22,7 +22,6 @@
 #include "build/build_config.h"
 #include "content/browser/child_process_launcher.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
-#include "content/browser/power_monitor_message_broadcaster.h"
 #include "content/browser/webrtc/webrtc_eventlog_host.h"
 #include "content/common/associated_interfaces.mojom.h"
 #include "content/common/content_export.h"
@@ -545,9 +544,6 @@ class CONTENT_EXPORT RenderProcessHostImpl
   // through RenderProcessHostObserver::RenderProcessExited.
   bool within_process_died_observer_;
 
-  // Forwards power state messages to the renderer process.
-  PowerMonitorMessageBroadcaster power_monitor_broadcaster_;
-
   scoped_refptr<AudioRendererHost> audio_renderer_host_;
 
   scoped_refptr<AudioInputRendererHost> audio_input_renderer_host_;