Only gather transparent regions inside their own view bounds in views that might have children exte…

chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageRecyclerView.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageRecyclerView.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageRecyclerView.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageRecyclerView.java
index 951e98881d99549924737da246eadb2b132fd3fe..0781498e04e232bdd5fbf4e71eb900c5c9a18f79 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageRecyclerView.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageRecyclerView.java
@@ -6,6 +6,7 @@ package org.chromium.chrome.browser.ntp.cards;
 
 import android.content.Context;
 import android.content.res.Resources;
+import android.graphics.Region;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.util.AttributeSet;
@@ -19,6 +20,7 @@ import org.chromium.base.Log;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ntp.NewTabPageLayout;
 import org.chromium.chrome.browser.ntp.snippets.SnippetHeaderViewHolder;
+import org.chromium.chrome.browser.util.ViewUtils;
 
 /**
  * Simple wrapper on top of a RecyclerView that will acquire focus when tapped.  Ensures the
@@ -361,4 +363,10 @@ public class NewTabPageRecyclerView extends RecyclerView {
                               start + snapScrollHeight);
         }
     }
+
+    @Override
+    public boolean gatherTransparentRegion(Region region) {
+        ViewUtils.gatherTransparentRegionsForOpaqueView(this, region);
+        return true;
+    }
 }