[cros] Make sure that update screen will be skipped when shortcut is pressed.

Converted some important logging to LOG(INFO).

See similar CL to branch
http://codereview.chromium.org/5291010/

Had to make 2 copies because update_screen.cc has been changed in trunk.

BUG=chromium-os:9654
TEST=Manual

Review URL: http://codereview.chromium.org/5366004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@67731 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/login/update_screen.cc

@@ -68,12 +68,12 @@ void UpdateScreen::UpdateStatusChanged(UpdateLibrary* library) {
     case UPDATE_STATUS_UPDATE_AVAILABLE:
       view()->SetProgress(kBeforeDownloadProgress);
       if (!HasCriticalUpdate()) {
-        VLOG(1) << "Noncritical update available: "
-                << library->status().new_version;
-        ExitUpdate();
+        LOG(INFO) << "Noncritical update available: "
+                  << library->status().new_version;
+        ExitUpdate(false);
       } else {
-        VLOG(1) << "Critical update available: "
-                << library->status().new_version;
+        LOG(INFO) << "Critical update available: "
+                  << library->status().new_version;
       }
       break;
     case UPDATE_STATUS_DOWNLOADING:
@@ -83,12 +83,12 @@ void UpdateScreen::UpdateStatusChanged(UpdateLibrary* library) {
           // we need to is update critical on first downloading notification.
           is_downloading_update_ = true;
           if (!HasCriticalUpdate()) {
-            VLOG(1) << "Non-critical update available: "
-                    << library->status().new_version;
-            ExitUpdate();
+            LOG(INFO) << "Non-critical update available: "
+                      << library->status().new_version;
+            ExitUpdate(false);
           } else {
-            VLOG(1) << "Critical update available: "
-                    << library->status().new_version;
+            LOG(INFO) << "Critical update available: "
+                      << library->status().new_version;
           }
         }
         view()->ShowCurtain(false);
@@ -115,13 +115,13 @@ void UpdateScreen::UpdateStatusChanged(UpdateLibrary* library) {
                             this,
                             &UpdateScreen::OnWaitForRebootTimeElapsed);
       } else {
-        ExitUpdate();
+        ExitUpdate(false);
       }
       break;
     case UPDATE_STATUS_IDLE:
     case UPDATE_STATUS_ERROR:
     case UPDATE_STATUS_REPORTING_ERROR_EVENT:
-      ExitUpdate();
+      ExitUpdate(false);
       break;
     default:
       NOTREACHED();
@@ -153,7 +153,7 @@ void UpdateScreen::StartUpdate() {
     CrosLibrary::Get()->GetUpdateLibrary()->AddObserver(this);
     VLOG(1) << "Initiate update check";
     if (!CrosLibrary::Get()->GetUpdateLibrary()->CheckForUpdate()) {
-      ExitUpdate();
+      ExitUpdate(true);
     }
   }
 }
@@ -162,15 +162,21 @@ void UpdateScreen::CancelUpdate() {
   // Screen has longer lifetime than it's view.
   // View is deleted after wizard proceeds to the next screen.
   if (view())
-    ExitUpdate();
+    ExitUpdate(true);
 }
 
-void UpdateScreen::ExitUpdate() {
+void UpdateScreen::ExitUpdate(bool forced) {
   maximal_curtain_time_timer_.Stop();
   ScreenObserver* observer = delegate()->GetObserver(this);
 
   if (!CrosLibrary::Get()->EnsureLoaded()) {
     observer->OnExit(ScreenObserver::UPDATE_ERROR_CHECKING_FOR_UPDATE);
+    return;
+  }
+
+  if (forced) {
+    observer->OnExit(ScreenObserver::UPDATE_NOUPDATE);
+    return;
   }
 
   UpdateLibrary* update_library = CrosLibrary::Get()->GetUpdateLibrary();
@@ -179,6 +185,8 @@ void UpdateScreen::ExitUpdate() {
     case UPDATE_STATUS_UPDATE_AVAILABLE:
     case UPDATE_STATUS_UPDATED_NEED_REBOOT:
     case UPDATE_STATUS_DOWNLOADING:
+    case UPDATE_STATUS_FINALIZING:
+    case UPDATE_STATUS_VERIFYING:
       DCHECK(!HasCriticalUpdate());
       // Noncritical update, just exit screen as if there is no update.
       // no break

chrome/browser/chromeos/login/update_screen.h

@@ -36,7 +36,10 @@ class UpdateScreen: public DefaultViewScreen<chromeos::UpdateView>,
   virtual void CancelUpdate();
 
   // Reports update results to the ScreenObserver.
-  virtual void ExitUpdate();
+  // |forced| should be set to true when calling this method and update status
+  // is not one of UPDATE_STATUS_IDLE, UPDATE_STATUS_ERROR,
+  // UPDATE_STATUS_REPORTING_ERROR_EVENT.
+  virtual void ExitUpdate(bool forced);
 
   // Maximal curtain time get/set, in seconds.
   int maximal_curtain_time() const { return maximal_curtain_time_; }

chrome/browser/chromeos/login/wizard_controller.cc

@@ -842,7 +842,7 @@ void WizardController::MarkDeviceRegistered() {
 ///////////////////////////////////////////////////////////////////////////////
 // WizardController, chromeos::ScreenObserver overrides:
 void WizardController::OnExit(ExitCodes exit_code) {
-  VLOG(1) << "Wizard screen exit code: " << exit_code;
+  LOG(INFO) << "Wizard screen exit code: " << exit_code;
   switch (exit_code) {
     case LOGIN_SIGN_IN_SELECTED:
       OnLoginSignInSelected();