Allow the app banner installability check to run on page load.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
index 45aa193db6f5fc855533a9a99b0cc52b4f69cdb4..f969e3c2c5c4370c77b9c992a6e184dc21aea2dc 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
@@ -1857,6 +1857,11 @@ public abstract class ChromeActivity extends AsyncInitializationActivity
                 RecordUserAction.record("MobileMenuPrint");
             }
         } else if (id == R.id.add_to_homescreen_id) {
+            // Record whether or not we have finished installability checks for this page when the
+            // user clicks the add to homescren menu item. This will let us determine how effective
+            // an on page-load check will be in speeding up WebAPK installation.
+            currentTab.getAppBannerManager().recordMenuItemAddToHomescreen();
+
             AddToHomescreenManager addToHomescreenManager =
                     new AddToHomescreenManager(this, currentTab);
             addToHomescreenManager.start();