Video Player: Install the cast API extension if it is not installed.

chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc

Index: chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
diff --git a/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc b/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
index 9ef4d27c0f37d92eed2481884f5dd57b4f4d2914..e728b6e1081e73e43d10b15ae8547a64e29fc4ec 100644
--- a/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
@@ -270,11 +270,11 @@ bool FileBrowserPrivateInstallWebstoreItemFunction::RunAsync() {
           this);
 
   scoped_refptr<file_manager::AppInstaller> installer(
-      new file_manager::AppInstaller(
-          GetAssociatedWebContents(),
-          params->item_id,
-          GetProfile(),
-          callback));
+      new file_manager::AppInstaller(GetAssociatedWebContents(),
+                                     params->item_id,
+                                     GetProfile(),
+                                     params->silent_installation,
+                                     callback));
   // installer will be AddRef()'d in BeginInstall().
   installer->BeginInstall();
   return true;