Turn on component updater on chromeos, only for the pnacl component.

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index 0f6b4c03ac8d01b94d4e2719cbd01685b4b6c2a3..315ab78663c3ded26921e98ec9922868c74da3b9 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -27,6 +27,7 @@
 #include "chrome/browser/chrome_content_browser_client.h"
 #include "chrome/browser/component_updater/component_updater_configurator.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
+#include "chrome/browser/component_updater/pnacl/pnacl_component_installer.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/devtools/remote_debugging_server.h"
 #include "chrome/browser/download/download_request_limiter.h"
@@ -744,9 +745,6 @@ prerender::PrerenderTracker* BrowserProcessImpl::prerender_tracker() {
 }
 
 ComponentUpdateService* BrowserProcessImpl::component_updater() {
-#if defined(OS_CHROMEOS)
-  return NULL;
-#else
   if (!component_updater_.get()) {
     ComponentUpdateService::Configurator* configurator =
         MakeChromeComponentUpdaterConfigurator(
@@ -757,19 +755,18 @@ ComponentUpdateService* BrowserProcessImpl::component_updater() {
     component_updater_.reset(ComponentUpdateServiceFactory(configurator));
   }
   return component_updater_.get();
-#endif
 }
 
 CRLSetFetcher* BrowserProcessImpl::crl_set_fetcher() {
-#if defined(OS_CHROMEOS)
-  // There's no component updater on ChromeOS so there can't be a CRLSetFetcher
-  // either.
-  return NULL;
-#else
   if (!crl_set_fetcher_.get())
     crl_set_fetcher_ = new CRLSetFetcher();
   return crl_set_fetcher_.get();
-#endif
+}
+
+PnaclComponentInstaller* BrowserProcessImpl::pnacl_component_installer() {
+  if (!pnacl_component_installer_.get())
+    pnacl_component_installer_.reset(new PnaclComponentInstaller());
+  return pnacl_component_installer_.get();
 }
 
 void BrowserProcessImpl::ResourceDispatcherHostCreated() {