Manifest handler for all keys background-related.

chrome/browser/extensions/api/messaging/extension_message_port.cc

Index: chrome/browser/extensions/api/messaging/extension_message_port.cc
diff --git a/chrome/browser/extensions/api/messaging/extension_message_port.cc b/chrome/browser/extensions/api/messaging/extension_message_port.cc
index b0c4afc7abcb47b54a495c1b637c0e18ec0f3f15..ea66e46cfdc24a72240bcf540cf0f6d9ade0fae8 100644
--- a/chrome/browser/extensions/api/messaging/extension_message_port.cc
+++ b/chrome/browser/extensions/api/messaging/extension_message_port.cc
@@ -8,6 +8,7 @@
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/common/extensions/background_info.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "content/public/browser/render_process_host.h"
 
@@ -51,7 +52,7 @@ void ExtensionMessagePort::IncrementLazyKeepaliveCount() {
   ExtensionProcessManager* pm =
       ExtensionSystem::Get(profile)->process_manager();
   ExtensionHost* host = pm->GetBackgroundHostForExtension(extension_id_);
-  if (host && host->extension()->has_lazy_background_page())
+  if (host && BackgroundInfo::HasLazyBackgroundPage(host->extension()))
     pm->IncrementLazyKeepaliveCount(host->extension());
 
   // Keep track of the background host, so when we decrement, we only do so if