Index: ash/common/wm/background_animator.cc |
diff --git a/ash/common/wm/background_animator.cc b/ash/common/wm/background_animator.cc |
index b8596fb2760f91933d828cadf0c51269cc526e56..5ef08ca3885e0e4654479367ad7cc3448c094ea4 100644 |
--- a/ash/common/wm/background_animator.cc |
+++ b/ash/common/wm/background_animator.cc |
@@ -51,7 +51,7 @@ void BackgroundAnimator::AnimationProgressed(const gfx::Animation* animation) { |
if (alpha_ == alpha) |
return; |
alpha_ = alpha; |
- delegate_->UpdateBackground(alpha_); |
+ delegate_->UpdateBackground(this, alpha_); |
} |
} // namespace ash |