Mojoify PoweMonitorMessageBroadcaster IPC from browser to child process

content/browser/browser_child_process_host_impl.cc

Index: content/browser/browser_child_process_host_impl.cc
diff --git a/content/browser/browser_child_process_host_impl.cc b/content/browser/browser_child_process_host_impl.cc
index 60adf7b60e194a214fa6403d048f81eed99586b1..c523c4868ada0722907e7e7b140995bfdd190cbd 100644
--- a/content/browser/browser_child_process_host_impl.cc
+++ b/content/browser/browser_child_process_host_impl.cc
@@ -43,6 +43,7 @@
 #include "content/public/common/mojo_channel_switches.h"
 #include "content/public/common/process_type.h"
 #include "content/public/common/result_codes.h"
+#include "device/power_monitor/public/interfaces/power_monitor.mojom.h"
 #include "ipc/attachment_broker.h"
 #include "ipc/attachment_broker_privileged.h"
 #include "mojo/edk/embedder/embedder.h"
@@ -144,7 +145,6 @@ BrowserChildProcessHostImpl::BrowserChildProcessHostImpl(
     : data_(process_type),
       delegate_(delegate),
       child_token_(mojo::edk::GenerateRandomToken()),
-      power_monitor_message_broadcaster_(this),
       is_channel_connected_(false),
       notify_child_disconnected_(false),
       weak_factory_(this) {
@@ -172,8 +172,6 @@ BrowserChildProcessHostImpl::BrowserChildProcessHostImpl(
   g_child_process_list.Get().push_back(this);
   GetContentClient()->browser()->BrowserChildProcessHostCreated(this);
 
-  power_monitor_message_broadcaster_.Init();
-
   if (!service_name.empty()) {
     DCHECK_CURRENTLY_ON(BrowserThread::IO);
     child_connection_.reset(new ChildConnection(
@@ -182,6 +180,10 @@ BrowserChildProcessHostImpl::BrowserChildProcessHostImpl(
         base::ThreadTaskRunnerHandle::Get()));
   }
 
+  device::mojom::PowerMonitorClientPtr power_monitor_client;
+  GetRemoteInterfaces()->GetInterface(mojo::GetProxy(&power_monitor_client));
+  power_monitor_message_broadcaster_.Init(power_monitor_client);
+
   // Create a persistent memory segment for subprocess histograms.
   CreateMetricsAllocator();
 }