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

chrome/browser/android/banners/app_banner_manager_android.h

Index: chrome/browser/android/banners/app_banner_manager_android.h
diff --git a/chrome/browser/android/banners/app_banner_manager_android.h b/chrome/browser/android/banners/app_banner_manager_android.h
index 4fcdeeff7b1e76fbd214f709d003a95301a9753f..8eaddb47ad5d35bbe081a3b23d6864b09036344c 100644
--- a/chrome/browser/android/banners/app_banner_manager_android.h
+++ b/chrome/browser/android/banners/app_banner_manager_android.h
@@ -39,10 +39,21 @@ class AppBannerManagerAndroid
   const base::android::ScopedJavaGlobalRef<jobject>& GetJavaBannerManager()
       const;
 
-  // Returns true if this object is currently active.
+  // Returns true if the banner pipeline is currently running.
   bool IsActiveForTesting(JNIEnv* env,
                           const base::android::JavaParamRef<jobject>& jobj);
 
+  // Informs the InstallableManager for the WebContents we are attached to that
+  // the add to homescreen menu item has been tapped.
+  void RecordMenuItemAddToHomescreen(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& jobj);
+
+  // Informs the InstallableManager for the WebContents we are attached to that
+  // the menu has been opened.
+  void RecordMenuOpen(JNIEnv* env,
+                      const base::android::JavaParamRef<jobject>& jobj);
+
   // Called when the Java-side has retrieved information for the app.
   // Returns |false| if an icon fetch couldn't be kicked off.
   bool OnAppDetailsRetrieved(