Move component updater artifacts into component_updater namespace.

chrome/browser/net/crl_set_fetcher.cc

Index: chrome/browser/net/crl_set_fetcher.cc
diff --git a/chrome/browser/net/crl_set_fetcher.cc b/chrome/browser/net/crl_set_fetcher.cc
index 0dca1ee0d4242b59e41390f6317cb4926e7cb855..df37c406c1a356bf29646ac650197922e07f2906 100644
--- a/chrome/browser/net/crl_set_fetcher.cc
+++ b/chrome/browser/net/crl_set_fetcher.cc
@@ -19,6 +19,7 @@
 #include "net/cert/crl_set.h"
 #include "net/ssl/ssl_config_service.h"
 
+using component_updater::ComponentUpdateService;
 using content::BrowserThread;
 
 CRLSetFetcher::CRLSetFetcher() : cus_(NULL) {}
@@ -121,7 +122,7 @@ static const uint8 kPublicKeySHA256[32] = {
 void CRLSetFetcher::RegisterComponent(uint32 sequence_of_loaded_crl) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
-  CrxComponent component;
+  component_updater::CrxComponent component;
   component.pk_hash.assign(kPublicKeySHA256,
                            kPublicKeySHA256 + sizeof(kPublicKeySHA256));
   component.installer = this;