Record NTP.LogoShownTime for timely refreshs only

chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoBridge.java
index ef79a9140beb69e3095715ad724eb0babc65d8e8..360e8427a45914db6a2dd6a5abb15a269cc7401d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoBridge.java
@@ -61,6 +61,14 @@ public class LogoBridge {
          */
         @CalledByNative("LogoObserver")
         void onLogoAvailable(Logo logo, boolean fromCache);
+
+        /**
+         * Called when an explicitly triggered refresh was skipped (e.g. because the service has
+         * been refreshed recently). Is this function is called, it is unlikely (but not impossible)
+         * that |onLogoAvailable| is called in a timely manner.
+         */
+        @CalledByNative("LogoObserver")
+        void onLogoRefreshSkipped();
     }
 
     /**