Force refresh of shelf area when gesture completes to prevent

ash/shelf/shelf_widget.cc

Index: ash/shelf/shelf_widget.cc
diff --git a/ash/shelf/shelf_widget.cc b/ash/shelf/shelf_widget.cc
index 755062249c43c6f3b917a8c732246f116379b0a3..e63dfed34455c975806725caba7590a365f6aece 100644
--- a/ash/shelf/shelf_widget.cc
+++ b/ash/shelf/shelf_widget.cc
@@ -277,6 +277,10 @@ class ShelfWidget::DelegateView : public views::WidgetDelegate,
   // no dimmer active, the function will return -1.
   int GetDimmingAlphaForTest();
 
+  // A function to test the bounds of the dimming bar. Returns gfx::Rect() if
+  // the dimmer is inactive.
+  gfx::Rect GetDimmerBoundsForTest();
+
   // Disable dimming animations for running tests. This needs to be called
   // prior to the creation of of the |dimmer_|.
   void disable_dimming_animations_for_test() {
@@ -412,6 +416,12 @@ int ShelfWidget::DelegateView::GetDimmingAlphaForTest() {
   return -1;
 }
 
+gfx::Rect ShelfWidget::DelegateView::GetDimmerBoundsForTest() {
+  if (GetDimmed())
+    return dimmer_view_->GetBoundsInScreen();
+  return gfx::Rect();
+}
+
 void ShelfWidget::DelegateView::UpdateBackground(int alpha) {
   alpha_ = alpha;
   SchedulePaint();
@@ -555,6 +565,12 @@ int ShelfWidget::GetDimmingAlphaForTest() {
   return -1;
 }
 
+gfx::Rect ShelfWidget::GetDimmerBoundsForTest() {
+  if (delegate_view_)
+    return delegate_view_->GetDimmerBoundsForTest();
+  return gfx::Rect();
+}
+
 void ShelfWidget::DisableDimmingAnimationsForTest() {
   DCHECK(delegate_view_);
   return delegate_view_->disable_dimming_animations_for_test();