Revert 283678 "Refactor code that defers extension background pa..."

trunk/src/apps/shell/browser/shell_extensions_browser_client.cc

Index: trunk/src/apps/shell/browser/shell_extensions_browser_client.cc
===================================================================
--- trunk/src/apps/shell/browser/shell_extensions_browser_client.cc	(revision 283800)
+++ trunk/src/apps/shell/browser/shell_extensions_browser_client.cc	(working copy)
@@ -183,11 +183,16 @@
     content::BrowserContext* context,
     std::vector<ExtensionPrefsObserver*>* observers) const {}
 
-ProcessManagerDelegate*
-ShellExtensionsBrowserClient::GetProcessManagerDelegate() const {
-  return NULL;
+bool ShellExtensionsBrowserClient::DeferLoadingBackgroundHosts(
+    BrowserContext* context) const {
+  return false;
 }
 
+bool ShellExtensionsBrowserClient::IsBackgroundPageAllowed(
+    BrowserContext* context) const {
+  return true;
+}
+
 scoped_ptr<ExtensionHostDelegate>
 ShellExtensionsBrowserClient::CreateExtensionHostDelegate() {
   return scoped_ptr<ExtensionHostDelegate>(new ShellExtensionHostDelegate);