Force refresh of shelf area when gesture completes to prevent

ash/shelf/shelf_layout_manager_unittest.cc

Index: ash/shelf/shelf_layout_manager_unittest.cc
diff --git a/ash/shelf/shelf_layout_manager_unittest.cc b/ash/shelf/shelf_layout_manager_unittest.cc
index 30c9220e9cbd06f200fd5e17bb0322565a1165e1..4236380b282432f83532570dec8ba6a8117e7333 100644
--- a/ash/shelf/shelf_layout_manager_unittest.cc
+++ b/ash/shelf/shelf_layout_manager_unittest.cc
@@ -996,6 +996,8 @@ TEST_F(ShelfLayoutManagerTest, MAYBE_GestureDrag) {
   EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_NEVER, shelf->auto_hide_behavior());
   EXPECT_EQ(bounds_shelf.ToString(), window->bounds().ToString());
+  EXPECT_EQ(GetShelfWidget()->GetDimmerBoundsForTest(),
+            GetShelfWidget()->GetWindowBoundsInScreen());
   EXPECT_EQ(shelf_shown.ToString(),
             GetShelfWidget()->GetWindowBoundsInScreen().ToString());
 
@@ -1039,6 +1041,7 @@ TEST_F(ShelfLayoutManagerTest, MAYBE_GestureDrag) {
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS, shelf->auto_hide_behavior());
+  EXPECT_EQ(GetShelfWidget()->GetDimmerBoundsForTest(), gfx::Rect());
   EXPECT_EQ(bounds_noshelf.ToString(), window->bounds().ToString());
   EXPECT_EQ(shelf_hidden.ToString(),
             GetShelfWidget()->GetWindowBoundsInScreen().ToString());