Report utility process JS memory in task manager.

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 684e0dbc6460556bbf79f4998266ebf6eaf4ac3e..a82eba022371c9382891d6f8d5c0ac0b992e545c 100644
--- a/content/browser/browser_child_process_host_impl.cc
+++ b/content/browser/browser_child_process_host_impl.cc
@@ -18,6 +18,7 @@
 #include "base/synchronization/waitable_event.h"
 #include "content/browser/histogram_message_filter.h"
 #include "content/browser/loader/resource_message_filter.h"
+#include "content/browser/process_resource_usage_impl.h"
 #include "content/browser/profiler_message_filter.h"
 #include "content/browser/tracing/trace_message_filter.h"
 #include "content/common/child_process_host_impl.h"
@@ -201,6 +202,12 @@ void BrowserChildProcessHostImpl::AddFilter(BrowserMessageFilter* filter) {
   child_process_host_->AddFilter(filter->GetFilter());
 }
 
+void BrowserChildProcessHostImpl::SetResourceUsageReporter(
+    ResourceUsageReporterPtr service) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  data_.process_resource_usage = new ProcessResourceUsageImpl(service.Pass());
+}
+
 void BrowserChildProcessHostImpl::NotifyProcessInstanceCreated(
     const ChildProcessData& data) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);