Revert 232517 "Component updater on-demand logic with Resource T..."

trunk/src/chrome/browser/component_updater/component_updater_service.h

Index: trunk/src/chrome/browser/component_updater/component_updater_service.h
===================================================================
--- trunk/src/chrome/browser/component_updater/component_updater_service.h	(revision 232536)
+++ trunk/src/chrome/browser/component_updater/component_updater_service.h	(working copy)
@@ -18,13 +18,8 @@
 
 namespace net {
 class URLRequestContextGetter;
-class URLRequest;
 }
 
-namespace content {
-class ResourceThrottle;
-}
-
 class ComponentPatcher;
 
 // Component specific installers must derive from this class and implement
@@ -193,12 +188,6 @@
   // Returns a list of registered components.
   virtual void GetComponents(std::vector<CrxComponentInfo>* components) = 0;
 
-  // Returns a network resource throttle. It means that a component will be
-  // downloaded and installed before the resource is unthrottled. This is the
-  // only function callable from the IO thread.
-  virtual content::ResourceThrottle* GetOnDemandResourceThrottle(
-      net::URLRequest* request, const std::string& crx_id) = 0;
-
   virtual ~ComponentUpdateService() {}
 
   // TODO(waffles): Remove PNaCl as a friend once an alternative on-demand