aura: Fix a couple of bug (really the same bug at two different places) for drag

ash/drag_drop/drag_drop_controller_unittest.cc

Index: ash/drag_drop/drag_drop_controller_unittest.cc
diff --git a/ash/drag_drop/drag_drop_controller_unittest.cc b/ash/drag_drop/drag_drop_controller_unittest.cc
index e2ce3f418433a2a62df63581904d015c3f3bdd5e..b30d94e0215b506cdbe0c7f5dd86b604620ae2c9 100644
--- a/ash/drag_drop/drag_drop_controller_unittest.cc
+++ b/ash/drag_drop/drag_drop_controller_unittest.cc
@@ -274,17 +274,19 @@ TEST_F(DragDropControllerTest, DragDropWithZeroDragUpdates) {
     generator.MoveMouseBy(0, 1);
   }
 
+  UpdateDragData(&data);
+
   generator.ReleaseLeftButton();
 
   EXPECT_TRUE(drag_drop_controller_->drag_start_received_);
-  EXPECT_EQ(num_drags - 1 - drag_view->VerticalDragThreshold(),
+  EXPECT_EQ(num_drags - 1 - drag_view->VerticalDragThreshold() + 1,
       drag_drop_controller_->num_drag_updates_);
   EXPECT_TRUE(drag_drop_controller_->drop_received_);
 
-  EXPECT_EQ(0, drag_view->num_drag_enters_);
-  EXPECT_EQ(num_drags - 1 - drag_view->VerticalDragThreshold(),
+  EXPECT_EQ(1, drag_view->num_drag_enters_);
+  EXPECT_EQ(num_drags - 1 - drag_view->VerticalDragThreshold() + 1,
       drag_view->num_drag_updates_);
-  EXPECT_EQ(0, drag_view->num_drops_);
+  EXPECT_EQ(1, drag_view->num_drops_);
   EXPECT_EQ(0, drag_view->num_drag_exits_);
   EXPECT_TRUE(drag_view->drag_done_received_);
 }