Add pointer id to the WebMouseEvent's constructors

services/ui/ws/drag_controller_unittest.cc

Index: services/ui/ws/drag_controller_unittest.cc
diff --git a/services/ui/ws/drag_controller_unittest.cc b/services/ui/ws/drag_controller_unittest.cc
index 6e10d0fa1fdad18c976089fa1bcf4eb6561cc8a9..ecae467ba363266483effdb1993fdc6d2f020a00 100644
--- a/services/ui/ws/drag_controller_unittest.cc
+++ b/services/ui/ws/drag_controller_unittest.cc
@@ -156,7 +156,8 @@ class DragControllerTest : public testing::Test,
     window->PerformOnDragDropStart(
         std::unordered_map<std::string, std::vector<uint8_t>>());
     drag_operation_ = base::MakeUnique<DragController>(
-        this, this, window->window(), window, MouseEvent::kMousePointerId,
+        this, this, window->window(), window,
+        MouseEvent::kDefaultMousePointerId,
         std::unordered_map<std::string, std::vector<uint8_t>>(),
         drag_operations);
 
@@ -628,7 +629,7 @@ TEST_F(DragControllerTest, CancelDrag) {
 
 TEST_F(DragControllerTest, IgnoreEventsFromOtherPointers) {
   std::unique_ptr<DragTestWindow> window = BuildWindow();
-  // This starts the operation with MouseEvent::kMousePointerId.
+  // This starts the operation with MouseEvent::kDefaultMousePointerId.
   StartDragOperation(window.get(), ui::mojom::kDropEffectMove);
 
   // Ignore events from pointer 5.