Pass Physical Web metadata through a struct

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java
index d5ed9efcc2b7e67e78dbdf21eb93fce6c2df2ab2..41067261a9a656753b7149a3088750b201333095 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java
@@ -294,7 +294,7 @@ class UrlManager {
             PwsResult pwsResult = mPwsResultMap.get(requestUrl);
             if (pwsResult != null) {
                 nativeAppendMetadataItem(nativePhysicalWebCollection, requestUrl,
-                        urlInfo.getDistance(), (int) urlInfo.getScanTimestamp(), pwsResult.siteUrl,
+                        urlInfo.getDistance(), urlInfo.getScanTimestamp(), pwsResult.siteUrl,
                         pwsResult.iconUrl, pwsResult.title, pwsResult.description,
                         pwsResult.groupId);
             }
@@ -830,7 +830,7 @@ class UrlManager {
 
     private native long nativeInit();
     private native void nativeAppendMetadataItem(long nativePhysicalWebCollection,
-            String requestUrl, double distanceEstimate, int scanTimestamp, String siteUrl,
+            String requestUrl, double distanceEstimate, long scanTimestamp, String siteUrl,
             String iconUrl, String title, String description, String groupId);
     private native void nativeOnFound(long nativePhysicalWebDataSourceAndroid, String url);
     private native void nativeOnLost(long nativePhysicalWebDataSourceAndroid, String url);