Introduce ManifestUpgradeDetector for WebAPK to detect web manifest changes.

chrome/browser/android/chrome_jni_registrar.cc

Index: chrome/browser/android/chrome_jni_registrar.cc
diff --git a/chrome/browser/android/chrome_jni_registrar.cc b/chrome/browser/android/chrome_jni_registrar.cc
index 3eb63a11f7ff6e3dbffe30b992b37d6c745c0ae6..9a4b1f19d3680d35db5c18a1ae6db007cafc285f 100644
--- a/chrome/browser/android/chrome_jni_registrar.cc
+++ b/chrome/browser/android/chrome_jni_registrar.cc
@@ -98,6 +98,7 @@
 #include "chrome/browser/android/voice_search_tab_helper.h"
 #include "chrome/browser/android/warmup_manager.h"
 #include "chrome/browser/android/web_contents_factory.h"
+#include "chrome/browser/android/webapk/manifest_upgrade_detector.h"
 #include "chrome/browser/android/webapps/add_to_homescreen_dialog_helper.h"
 #include "chrome/browser/android/webapps/webapp_registry.h"
 #include "chrome/browser/autofill/android/personal_data_manager_android.h"
@@ -310,6 +311,7 @@ static base::android::RegistrationMethod kChromeRegisteredMethods[] = {
     {"LayerTitleCache", chrome::android::RegisterLayerTitleCache},
     {"LocationSettings", LocationSettingsImpl::Register},
     {"LogoBridge", RegisterLogoBridge},
+    {"ManifestUpgradeDetector", ManifestUpgradeDetector::Register},
     {"MediaDrmCredentialManager",
      MediaDrmCredentialManager::RegisterMediaDrmCredentialManager},
     {"MostVisitedSites", MostVisitedSitesBridge::Register},