Clear webapp storage when site data is cleared

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 d4b2bdf41cd69479bf188e44729265a11672e6d4..61be2fb719b8f0c806c959d88eb6bc43f4a5e9c3 100644
--- a/chrome/browser/android/chrome_jni_registrar.cc
+++ b/chrome/browser/android/chrome_jni_registrar.cc
@@ -79,6 +79,7 @@
 #include "chrome/browser/android/warmup_manager.h"
 #include "chrome/browser/android/web_contents_factory.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"
 #include "chrome/browser/dom_distiller/dom_distiller_service_factory_android.h"
 #include "chrome/browser/dom_distiller/tab_utils_android.h"
@@ -329,6 +330,7 @@ static base::android::RegistrationMethod kChromeRegisteredMethods[] = {
     {"Variations", variations::android::RegisterVariations},
     {"VariationsSession", chrome::android::RegisterVariationsSession},
     {"WarmupManager", RegisterWarmupManager},
+    {"WebappRegistry", WebappRegistry::RegisterWebappRegistry},
     {"WebContentsFactory", RegisterWebContentsFactory},
     {"WebsitePreferenceBridge", RegisterWebsitePreferenceBridge},
     {"WebsiteSettingsPopupAndroid",