Add new app banner metrics using InstallableStatusCode.

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 67b2d126aa45be9c675b06c30d0f11bb521f07ef..541501aa9b7d7856e11c54aa11d9a64bc7851d1c 100644
--- a/chrome/browser/android/banners/app_banner_manager_android.h
+++ b/chrome/browser/android/banners/app_banner_manager_android.h
@@ -94,8 +94,8 @@ class AppBannerManagerAndroid
   // true, only a native app banner may be shown, and the web app banner flow
   // will not be run.
   bool CanHandleNonWebApp(const std::string& platform,
-                       const GURL& url,
-                       const std::string& id);
+                          const GURL& url,
+                          const std::string& id);
 
   // The Java-side AppBannerManager.
   base::android::ScopedJavaGlobalRef<jobject> java_banner_manager_;