Convert app banners to use Mojo.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index fba5aa2b40f57787e45b8ece9b2b59b3f6c0de4a..dbcc7d8ca2cb164532f221a2e301bb006572b8fa 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -30,6 +30,7 @@
 #include "build/build_config.h"
 #include "chrome/browser/after_startup_task_utils.h"
 #include "chrome/browser/apps/app_url_redirector.h"
+#include "chrome/browser/banners/app_banner_manager.h"
 #include "chrome/browser/browser_about_handler.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
@@ -2989,6 +2990,9 @@ void ChromeContentBrowserClient::RegisterRenderFrameMojoInterfaces(
     // Register mojo ContentTranslateDriver interface only for main frame.
     registry->AddInterface(base::Bind(
         &ChromeTranslateClient::BindContentTranslateDriver, render_frame_host));
+
+    registry->AddInterface(base::Bind(
+        &banners::AppBannerManager::BindToMojoRequest, render_frame_host));
   }
 
   registry->AddInterface(