Add Data Reduction Proxy card to Clank FRE in EM

chrome/android/java/src/org/chromium/chrome/browser/preferences/datareduction/DataReductionPromoScreen.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/datareduction/DataReductionPromoScreen.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/datareduction/DataReductionPromoScreen.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/datareduction/DataReductionPromoScreen.java
index 1df39700858eba24a4a15a4ebf0a59f0074a19a8..ff60f352b0f0c50a252fc037046e1aea3b08cdd5 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/datareduction/DataReductionPromoScreen.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/datareduction/DataReductionPromoScreen.java
@@ -18,6 +18,7 @@ import android.widget.LinearLayout;
 import android.widget.LinearLayout.LayoutParams;
 
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.firstrun.DataReductionProxyFirstRunFragment;
 import org.chromium.chrome.browser.multiwindow.MultiWindowUtils;
 import org.chromium.chrome.browser.net.spdyproxy.DataReductionProxySettings;
 import org.chromium.ui.widget.Toast;
@@ -53,6 +54,10 @@ public class DataReductionPromoScreen extends Dialog implements View.OnClickList
         // Showing the promo dialog in multiwindow mode is broken on Galaxy Note devices:
         // http://crbug.com/354696. If we're in multiwindow mode, save the dialog for later.
         if (MultiWindowUtils.getInstance().isMultiWindow(parentActivity)) return;
+        // Only show the promo if the FRE card was not shown.
+        if (DataReductionProxyFirstRunFragment.getDisplayedDataReductionFreCard(parentActivity)) {
+            return;
+        }
 
         DataReductionPromoScreen promoScreen = new DataReductionPromoScreen(parentActivity);
         promoScreen.setOnDismissListener(promoScreen);