Add an API to component_updater that asks to do an update check "now".

chrome/browser/component_updater/component_updater_service.h

Index: chrome/browser/component_updater/component_updater_service.h
diff --git a/chrome/browser/component_updater/component_updater_service.h b/chrome/browser/component_updater/component_updater_service.h
index 43a083f933acdfbcd0bc34575263eb8563b85d7e..45b408022a30ae1659ecb05541eaaf26976a6d8c 100644
--- a/chrome/browser/component_updater/component_updater_service.h
+++ b/chrome/browser/component_updater/component_updater_service.h
@@ -139,6 +139,9 @@ class ComponentUpdateService {
   // before calling Start().
   virtual Status RegisterComponent(const CrxComponent& component) = 0;
 
+  // Ping for an update check for a previously registered component.
+  virtual Status PingUpdateCheck(const CrxComponent& component) = 0;

[cpu_(ooo_6.6-7.5), 2013/01/30 21:13:05]

Not liking the word ping in the name, something like CheckSoon or CheckNow might
be better

[jvoung (off chromium), 2013/01/31 19:51:43]

Done.

+
   virtual ~ComponentUpdateService() {}
 };
 
@@ -148,4 +151,3 @@ ComponentUpdateService* ComponentUpdateServiceFactory(
     ComponentUpdateService::Configurator* config);
 
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_SERVICE_H_
-