aura: brightness and volume bubble.

chrome/browser/chromeos/setting_level_bubble_view.cc

Index: chrome/browser/chromeos/setting_level_bubble_view.cc
diff --git a/chrome/browser/chromeos/setting_level_bubble_view.cc b/chrome/browser/chromeos/setting_level_bubble_view.cc
index 5f4ae7c825184f07cd179de8b26a8598959a04d5..145471c5e9bca3b426ee8ff782bd5676cb887bd4 100644
--- a/chrome/browser/chromeos/setting_level_bubble_view.cc
+++ b/chrome/browser/chromeos/setting_level_bubble_view.cc
@@ -28,14 +28,14 @@ const int kProgressBarHeight = 17;
 namespace chromeos {
 
 SettingLevelBubbleView::SettingLevelBubbleView()
-    : progress_bar_(NULL),
+    : progress_bar_(new views::ProgressBar()),
       icon_(NULL) {
 }
 
 void SettingLevelBubbleView::Init(SkBitmap* icon, double level, bool enabled) {
+  DCHECK(!icon_);
   DCHECK(icon);
   icon_ = icon;
-  progress_bar_ = new views::ProgressBar();
   AddChildView(progress_bar_);
   progress_bar_->SetDisplayRange(0.0, 100.0);
   progress_bar_->EnableCanvasFlippingForRTLUI(true);