[ChromeOS] Move ChromeOS upgrade check logic into UpgradeDetector.

chrome/browser/upgrade_detector.cc

Index: chrome/browser/upgrade_detector.cc
diff --git a/chrome/browser/upgrade_detector.cc b/chrome/browser/upgrade_detector.cc
index c15c8d562ab240a3c7472e5dc6d9dd4441bbe713..a0d8f0c809e81590d48cc1df8f7cbc8194f8b82a 100644
--- a/chrome/browser/upgrade_detector.cc
+++ b/chrome/browser/upgrade_detector.cc
@@ -35,6 +35,11 @@
 #include "base/version.h"
 #endif
 
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/cros/update_library.h"
+#endif
+
 namespace {
 
 // How long (in milliseconds) to wait (each cycle) before checking whether
@@ -205,6 +210,13 @@ UpgradeDetector* UpgradeDetector::GetInstance() {
 }
 
 void UpgradeDetector::CheckForUpgrade() {
+#if defined(OS_CHROMEOS)
+  // For ChromeOS, check update library status to detect upgrade.
+  if (chromeos::CrosLibrary::Get()->GetUpdateLibrary()->status().status ==
+      chromeos::UPDATE_STATUS_UPDATED_NEED_REBOOT) {

[Finnur, 2011/05/24 10:38:39]

I take it this is appropriate to be called on the UI thread?

+    UpgradeDetected();
+  }
+#else
   method_factory_.RevokeAll();
   Task* callback_task =
       method_factory_.NewRunnableMethod(&UpgradeDetector::UpgradeDetected);
@@ -215,6 +227,7 @@ void UpgradeDetector::CheckForUpgrade() {
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
                           new DetectUpgradeTask(callback_task,
                                                 &is_unstable_channel_));
+#endif
 }
 
 void UpgradeDetector::UpgradeDetected() {