[Android] Histogram for Android restore

chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java

Index: chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java b/chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java
index 9019f83dbdf1f0704aa3ccc77457281b995e0ac8..f8daa11022ccb462d40586f4cb2038d17a6a7e6b 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java
@@ -234,6 +234,14 @@ public class DeferredStartupHandler {
             }
         });
 
+        mDeferredTasks.add(new Runnable() {
+            @Override
+            public void run() {
+                // Record the saved restore state in a histogram
+                ChromeBackupAgent.recordRestoreHistogram();
+            }
+        });
+
         ProcessInitializationHandler.getInstance().initializeDeferredStartupTasks();
     }