Trigger the Snippets Scheduler when Resuming Activities

chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java
index 40364ba072b9a2b33d74887057ac8655fbe7a81e..ec75e8719650c6b14a88067e8548d4623cf46e35 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java
@@ -171,6 +171,15 @@ public class SnippetsBridge implements SuggestionsSource {
         nativeOnMoreButtonClicked(mNativeSnippetsBridge, category, position);
     }
 
+    /**
+     * Notifies the scheduler to adjust the plan due to a newly initialized
+     * Browser Activity.
+     */
+    public void onBrowserStarted() {
+        assert mNativeSnippetsBridge != 0;
+        nativeOnBrowserStarted(mNativeSnippetsBridge);
+    }
+
     public static void onSuggestionTargetVisited(int category, long visitTimeMs) {
         nativeOnSuggestionTargetVisited(category, visitTimeMs);
     }
@@ -304,6 +313,7 @@ public class SnippetsBridge implements SuggestionsSource {
             long nativeNTPSnippetsBridge, int category, int position);
     private native void nativeOnMoreButtonClicked(
             long nativeNTPSnippetsBridge, int category, int position);
+    private native void nativeOnBrowserStarted(long nativeNTPSnippetsBridge);
     private static native void nativeOnSuggestionTargetVisited(int category, long visitTimeMs);
     private native void nativeSetObserver(long nativeNTPSnippetsBridge, SnippetsBridge bridge);
 }