Minimal athena shell main

apps/shell/browser/shell_content_browser_client.cc

Index: apps/shell/browser/shell_content_browser_client.cc
diff --git a/apps/shell/browser/shell_content_browser_client.cc b/apps/shell/browser/shell_content_browser_client.cc
index ca9db4e8686fc7c58513bb6e871f253342b7597b..a589f208ed3ba2de74c719d47e051ee52f23576a 100644
--- a/apps/shell/browser/shell_content_browser_client.cc
+++ b/apps/shell/browser/shell_content_browser_client.cc
@@ -34,8 +34,9 @@ ShellContentBrowserClient* g_instance = NULL;
 
 }  // namespace
 
-ShellContentBrowserClient::ShellContentBrowserClient()
-    : browser_main_parts_(NULL) {
+ShellContentBrowserClient::ShellContentBrowserClient(
+    StartCallback* start_callback)
+    : browser_main_parts_(NULL), start_callback_(start_callback) {
   DCHECK(!g_instance);
   g_instance = this;
 }
@@ -53,7 +54,7 @@ content::BrowserContext* ShellContentBrowserClient::GetBrowserContext() {
 
 content::BrowserMainParts* ShellContentBrowserClient::CreateBrowserMainParts(
     const content::MainFunctionParams& parameters) {
-  browser_main_parts_ = new ShellBrowserMainParts(parameters);
+  browser_main_parts_ = new ShellBrowserMainParts(parameters, start_callback_);
   return browser_main_parts_;
 }