Fix Physical Web WebUI broken favicon

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

Index: chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlInfo.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlInfo.java b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlInfo.java
index f32fb59468603478801ba2abf2c10f84ef11dab2..a90ab3387417b002d76e23dab1081d3959548b67 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlInfo.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlInfo.java
@@ -15,19 +15,19 @@ import java.util.Locale;
 class UrlInfo {
     private static final String URL_KEY = "url";
     private static final String DISTANCE_KEY = "distance";
-    private static final String SCAN_TIMESTAMP_KEY = "scan_timestamp";
+    private static final String FIRST_SEEN_TIMESTAMP_KEY = "first_seen_timestamp";
     private static final String DEVICE_ADDRESS_KEY = "device_address";
     private static final String HAS_BEEN_DISPLAYED_KEY = "has_been_displayed";
     private final String mUrl;
+    private final long mFirstSeenTimestamp;
     private double mDistance;
-    private long mScanTimestamp;
     private String mDeviceAddress;
     private boolean mHasBeenDisplayed;
 
-    public UrlInfo(String url, double distance, long scanTimestamp) {
+    public UrlInfo(String url, double distance, long firstSeenTimestamp) {
         mUrl = url;
         mDistance = distance;
-        mScanTimestamp = scanTimestamp;
+        mFirstSeenTimestamp = firstSeenTimestamp;
         mDeviceAddress = null;
         mHasBeenDisplayed = false;
     }
@@ -65,22 +65,12 @@ class UrlInfo {
     }
 
     /**
-     * Sets the timestamp of when the URL was last scanned.
-     * This timestamp should be recorded using System.currentTimeMillis().
-     * @param scanTimestamp the new timestamp.
-     */
-    public UrlInfo setScanTimestamp(long scanTimestamp) {
-        mScanTimestamp = scanTimestamp;
-        return this;
-    }
-
-    /**
-     * Gets the timestamp of when the URL was last scanned.
+     * Gets the timestamp of when the URL was first scanned.
      * This timestamp is recorded using System.currentTimeMillis().
-     * @return The scan timestamp.
+     * @return The first seen timestamp.
      */
-    public long getScanTimestamp() {
-        return mScanTimestamp;
+    public long getFirstSeenTimestamp() {
+        return mFirstSeenTimestamp;
     }
 
     /**
@@ -126,7 +116,7 @@ class UrlInfo {
         return new JSONObject()
                 .put(URL_KEY, mUrl)
                 .put(DISTANCE_KEY, mDistance)
-                .put(SCAN_TIMESTAMP_KEY, mScanTimestamp)
+                .put(FIRST_SEEN_TIMESTAMP_KEY, mFirstSeenTimestamp)
                 .put(DEVICE_ADDRESS_KEY, mDeviceAddress)
                 .put(HAS_BEEN_DISPLAYED_KEY, mHasBeenDisplayed);
     }
@@ -138,11 +128,9 @@ class UrlInfo {
      * @throws JSONException if the values cannot be serialized.
      */
     public static UrlInfo jsonDeserialize(JSONObject jsonObject) throws JSONException {
-        UrlInfo urlInfo = new UrlInfo(
-                jsonObject.getString(URL_KEY),
-                jsonObject.getDouble(DISTANCE_KEY),
-                jsonObject.getLong(SCAN_TIMESTAMP_KEY))
-                .setDeviceAddress(jsonObject.optString(DEVICE_ADDRESS_KEY));
+        UrlInfo urlInfo = new UrlInfo(jsonObject.getString(URL_KEY),
+                jsonObject.getDouble(DISTANCE_KEY), jsonObject.getLong(FIRST_SEEN_TIMESTAMP_KEY))
+                                  .setDeviceAddress(jsonObject.optString(DEVICE_ADDRESS_KEY));
         if (jsonObject.optBoolean(HAS_BEEN_DISPLAYED_KEY, false)) {
             urlInfo.setHasBeenDisplayed();
         }
@@ -154,7 +142,7 @@ class UrlInfo {
      */
     @Override
     public String toString() {
-        return String.format(Locale.getDefault(), "%s %f %d %b",
-                mUrl, mDistance, mScanTimestamp, mHasBeenDisplayed);
+        return String.format(Locale.getDefault(), "%s %f %d %b", mUrl, mDistance,
+                mFirstSeenTimestamp, mHasBeenDisplayed);
     }
 }