Add helper to open URL in new activity

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 0acff675365b418e9eda1ef58bdbd6849381c99d..674bfcfa7e6976b75529e98f14f4b6c7aa854b6c 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -3096,6 +3096,8 @@ split_static_library("browser") {
       "android/mojo/chrome_interface_registrar_android.h",
       "android/net/external_estimate_provider_android.cc",
       "android/net/external_estimate_provider_android.h",
+      "android/ntp/content_suggestions_notification_helper.cc",
+      "android/ntp/content_suggestions_notification_helper.h",
       "android/ntp/most_visited_sites_bridge.cc",
       "android/ntp/most_visited_sites_bridge.h",
       "android/ntp/new_tab_page_prefs.cc",
@@ -3965,6 +3967,7 @@ if (android_java_ui) {
       "../android/java/src/org/chromium/chrome/browser/net/spdyproxy/DataReductionProxySettings.java",
       "../android/java/src/org/chromium/chrome/browser/notifications/ActionInfo.java",
       "../android/java/src/org/chromium/chrome/browser/notifications/NotificationPlatformBridge.java",
+      "../android/java/src/org/chromium/chrome/browser/ntp/ContentSuggestionsNotificationHelper.java",
       "../android/java/src/org/chromium/chrome/browser/ntp/ForeignSessionHelper.java",
       "../android/java/src/org/chromium/chrome/browser/ntp/LogoBridge.java",
       "../android/java/src/org/chromium/chrome/browser/ntp/NewTabPagePrefs.java",