Add needsToolbarShadow to NativePage interface

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

Index: chrome/android/java/src/org/chromium/chrome/browser/FrozenNativePage.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/FrozenNativePage.java b/chrome/android/java/src/org/chromium/chrome/browser/FrozenNativePage.java
index 98c4d2c718e6148307771c4375610d5b12f1d8db..5e3d5d08704da83c82ad9fda72795cd69b7bbd21 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/FrozenNativePage.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/FrozenNativePage.java
@@ -69,10 +69,15 @@ public class FrozenNativePage implements NativePage {
     }
 
     @Override
+    public boolean needsToolbarShadow() {
+        return true;
+    }
+
+    @Override
     public void updateForUrl(String url) {
     }
 
     @Override
     public void destroy() {
     }
-}
+}