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 00f01b8eb6c2ce439d73258cf374b57f35c5a881..970d490a945d2efe1950dbdbb8bca699167b66fe 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"
@@ -740,9 +741,6 @@ prerender::PrerenderTracker* BrowserProcessImpl::prerender_tracker() {
 }
 
 ComponentUpdateService* BrowserProcessImpl::component_updater() {
-#if defined(OS_CHROMEOS)
-  return NULL;
-#else
   if (!component_updater_.get()) {
     ComponentUpdateService::Configurator* configurator =
         MakeChromeComponentUpdaterConfigurator(
@@ -753,13 +751,13 @@ 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.
+  // There is component updater on ChromeOS, but it is only used when data
+  // is not shared between users.  Currently not making a CRLSetFetcher
+  // component for ChromeOS.
   return NULL;
 #else
   if (!crl_set_fetcher_.get())
@@ -768,6 +766,13 @@ CRLSetFetcher* BrowserProcessImpl::crl_set_fetcher() {
 #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() {
   resource_dispatcher_host_delegate_.reset(
       new ChromeResourceDispatcherHostDelegate(prerender_tracker()));