Remove mojo::Map.

services/ui/ws/drag_controller.cc

Index: services/ui/ws/drag_controller.cc
diff --git a/services/ui/ws/drag_controller.cc b/services/ui/ws/drag_controller.cc
index ba891a3a235cba3d41da712d617f0e3638c110e8..eff00e80879961ef2acd5ed8688e2e15e022a356 100644
--- a/services/ui/ws/drag_controller.cc
+++ b/services/ui/ws/drag_controller.cc
@@ -46,7 +46,7 @@ DragController::DragController(
     ServerWindow* source_window,
     DragTargetConnection* source_connection,
     int32_t drag_pointer,
-    mojo::Map<mojo::String, mojo::Array<uint8_t>> mime_data,
+    std::unordered_map<std::string, std::vector<uint8_t>> mime_data,
     DropEffectBitmask drag_operations)
     : source_(source),
       cursor_updater_(cursor_updater),
@@ -216,7 +216,7 @@ void DragController::QueueOperation(ServerWindow* window,
   DragTargetConnection* connection = source_->GetDragTargetForWindow(window);
   if (connection != source_connection_ &&
       !base::ContainsKey(called_on_drag_mime_types_, connection)) {
-    connection->PerformOnDragDropStart(mime_data_.Clone());
+    connection->PerformOnDragDropStart(mime_data_);
     called_on_drag_mime_types_.insert(connection);
   }