Add webstorePrivate API for installing bundles of extensions.

chrome/browser/extensions/crx_installer.cc

Index: chrome/browser/extensions/crx_installer.cc
diff --git a/chrome/browser/extensions/crx_installer.cc b/chrome/browser/extensions/crx_installer.cc
index 514ebe26ed85a833c1e9d8d4b355ed924f8aa8d3..cff64aad6e14322f455db22f03b039cc6d7fad4c 100644
--- a/chrome/browser/extensions/crx_installer.cc
+++ b/chrome/browser/extensions/crx_installer.cc
@@ -44,6 +44,8 @@
 
 namespace {
 
+// TODO(jstritar): This whitelist is not profile aware. We should move this to
+// WebstorePendingInstalls.
 struct Whitelist {
   Whitelist() {}
   std::set<std::string> ids;
@@ -56,7 +58,8 @@ static base::LazyInstance<Whitelist>
 }  // namespace
 
 CrxInstaller::WhitelistEntry::WhitelistEntry()
-  : use_app_installed_bubble(false) {}
+    : use_app_installed_bubble(false),
+      skip_post_install_ui(false) {}
 CrxInstaller::WhitelistEntry::~WhitelistEntry() {}
 
 // static
@@ -414,6 +417,8 @@ void CrxInstaller::ConfirmInstall() {
     whitelisted = true;
     if (entry->use_app_installed_bubble)
       client_->set_use_app_installed_bubble(true);
+    if (entry->skip_post_install_ui)
+      client_->set_skip_post_install_ui(true);
   }
 
   if (client_ &&