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

chrome/android/java/src/org/chromium/chrome/browser/banners/AppBannerManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/banners/AppBannerManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/banners/AppBannerManager.java b/chrome/android/java/src/org/chromium/chrome/browser/banners/AppBannerManager.java
index babe917ae2a35f21a9b1fd192dcb2d476f45d596..ce221b5561e76c651242feec419c73bbaedf1cdb 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/banners/AppBannerManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/banners/AppBannerManager.java
@@ -160,6 +160,16 @@ public class AppBannerManager {
         return nativeIsActiveForTesting(mNativePointer);
     }
 
+    /** Signal to native that the add to homescreen menu item was tapped for metrics purposes. */
+    public void recordMenuItemAddToHomescreen() {
+        nativeRecordMenuItemAddToHomescreen(mNativePointer);
+    }
+
+    /** Signal to native that the menu was opened for metrics purposes. */
+    public void recordMenuOpen() {
+        nativeRecordMenuOpen(mNativePointer);
+    }
+
     /** Sets constants (in days) the banner should be blocked for after dismissing and ignoring. */
     @VisibleForTesting
     static void setDaysAfterDismissAndIgnoreForTesting(int dismissDays, int ignoreDays) {
@@ -184,6 +194,8 @@ public class AppBannerManager {
     }
 
     private static native int nativeGetHomescreenLanguageOption();
+    private native void nativeRecordMenuItemAddToHomescreen(long nativeAppBannerManagerAndroid);
+    private native void nativeRecordMenuOpen(long nativeAppBannerManagerAndroid);
     private static native AppBannerManager nativeGetJavaBannerManagerForWebContents(
             WebContents webContents);
     private native boolean nativeOnAppDetailsRetrieved(long nativeAppBannerManagerAndroid,