Add shown user actions for the search engine promo.

chrome/android/java/src/org/chromium/chrome/browser/firstrun/DefaultSearchEngineFirstRunFragment.java

Index: chrome/android/java/src/org/chromium/chrome/browser/firstrun/DefaultSearchEngineFirstRunFragment.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/firstrun/DefaultSearchEngineFirstRunFragment.java b/chrome/android/java/src/org/chromium/chrome/browser/firstrun/DefaultSearchEngineFirstRunFragment.java
index aa8996b2d20550f63d61a11f3205df001d6a7b6a..478ad296dd9810e966a3c0a3de751b128f8c033c 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/firstrun/DefaultSearchEngineFirstRunFragment.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/firstrun/DefaultSearchEngineFirstRunFragment.java
@@ -11,16 +11,20 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 
+import org.chromium.base.metrics.RecordUserAction;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.locale.DefaultSearchEngineDialogHelper;
 import org.chromium.chrome.browser.locale.LocaleManager;
+import org.chromium.chrome.browser.locale.LocaleManager.SearchEnginePromoType;
 import org.chromium.chrome.browser.search_engines.TemplateUrlService;
 import org.chromium.chrome.browser.widget.RadioButtonLayout;
 
 /** A {@link Fragment} that presents a set of search engines for the user to choose from. */
 public class DefaultSearchEngineFirstRunFragment
         extends FirstRunPage implements TemplateUrlService.LoadListener {
-    private DefaultSearchEngineDialogHelper mHelper;
+    @SearchEnginePromoType
+    private Integer mSearchEnginePromoDialoType;
+    private boolean mShownRecorded;
 
     /** Layout that displays the available search engines to the user. */
     private RadioButtonLayout mEngineLayout;
@@ -48,14 +52,35 @@ public class DefaultSearchEngineFirstRunFragment
     public void onTemplateUrlServiceLoaded() {
         TemplateUrlService.getInstance().unregisterLoadListener(this);
 
-        int dialogType = LocaleManager.getInstance().getSearchEnginePromoShowType();
+        mSearchEnginePromoDialoType = LocaleManager.getInstance().getSearchEnginePromoShowType();
         Runnable dismissRunnable = new Runnable() {
             @Override
             public void run() {
                 advanceToNextPage();
             }
         };
-        mHelper = new DefaultSearchEngineDialogHelper(
-                dialogType, mEngineLayout, mButton, dismissRunnable);
+        new DefaultSearchEngineDialogHelper(
+                mSearchEnginePromoDialoType, mEngineLayout, mButton, dismissRunnable);
+        if (getUserVisibleHint()) recordShown();
+    }
+
+    @Override
+    public void setUserVisibleHint(boolean isVisibleToUser) {
+        super.setUserVisibleHint(isVisibleToUser);
+        if (isVisibleToUser) recordShown();
+    }
+
+    private void recordShown() {
+        if (mSearchEnginePromoDialoType == null) return;
+
+        if (mShownRecorded) return;
+
+        if (mSearchEnginePromoDialoType == LocaleManager.SEARCH_ENGINE_PROMO_SHOW_NEW) {
+            RecordUserAction.record("SearchEnginePromo.NewDevice.Shown.FirstRun");
+        } else if (mSearchEnginePromoDialoType == LocaleManager.SEARCH_ENGINE_PROMO_SHOW_EXISTING) {
+            RecordUserAction.record("SearchEnginePromo.ExistingDevice.Shown.FirstRun");
+        }
+
+        mShownRecorded = true;
     }
 }