Manifest handler for all keys background-related.

chrome/browser/extensions/api/themes/theme_api.cc

Index: chrome/browser/extensions/api/themes/theme_api.cc
diff --git a/chrome/browser/extensions/api/themes/theme_api.cc b/chrome/browser/extensions/api/themes/theme_api.cc
index 51e409932811058cddfd320b9fc00e0b7aa82933..a5275363375d30a7de5189734068fd7fd7a4a159 100644
--- a/chrome/browser/extensions/api/themes/theme_api.cc
+++ b/chrome/browser/extensions/api/themes/theme_api.cc
@@ -6,16 +6,11 @@
 
 #include "base/lazy_instance.h"
 #include "chrome/common/extensions/api/themes/theme_handler.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
-#include "chrome/common/extensions/manifest_handler.h"
 
 namespace extensions {
 
 ThemeAPI::ThemeAPI(Profile* profile) {
-  // Register the ManifestHandler for parsing 'theme' manifest key.
-  extensions::ManifestHandler::Register(
-      extension_manifest_keys::kTheme,
-      make_linked_ptr(new extensions::ThemeHandler));
+  (new extensions::ThemeHandler)->Register();
 }
 
 ThemeAPI::~ThemeAPI() {