Report utility process JS memory in task manager.

content/browser/browser_child_process_host_impl.h

Index: content/browser/browser_child_process_host_impl.h
diff --git a/content/browser/browser_child_process_host_impl.h b/content/browser/browser_child_process_host_impl.h
index 08e1b360a1147dec8c9124e9800333585eb3f978..dda38843a820f17475faf3515d8dc6a2259e0501 100644
--- a/content/browser/browser_child_process_host_impl.h
+++ b/content/browser/browser_child_process_host_impl.h
@@ -16,6 +16,7 @@
 #include "content/public/browser/browser_child_process_host.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/common/child_process_host_delegate.h"
+#include "content/public/common/resource_usage_reporter.mojom.h"
 
 #if defined(OS_WIN)
 #include "base/win/object_watcher.h"
@@ -80,6 +81,10 @@ class CONTENT_EXPORT BrowserChildProcessHostImpl
   // Adds an IPC message filter.
   void AddFilter(BrowserMessageFilter* filter);
 
+  // Sets the Mojo service used to get resource usage data (i.e. JS memory)
+  // from the process.
+  void SetResourceUsageReporter(ResourceUsageReporterPtr service);
+
   // Called when an instance of a particular child is created in a page.
   static void NotifyProcessInstanceCreated(const ChildProcessData& data);