diff --git a/ui/accessibility/platform/ax_platform_node_textchildprovider_win.h b/ui/accessibility/platform/ax_platform_node_textchildprovider_win.h
index 029516d8..e770ae75 100644
--- a/ui/accessibility/platform/ax_platform_node_textchildprovider_win.h
+++ b/ui/accessibility/platform/ax_platform_node_textchildprovider_win.h
@@ -5,10 +5,11 @@
 #ifndef UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_TEXTCHILDPROVIDER_WIN_H_
 #define UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_TEXTCHILDPROVIDER_WIN_H_
 
+#include "ui/accessibility/ax_export.h"
 #include "ui/accessibility/platform/ax_platform_node_win.h"
 
 namespace ui {
-class AXPlatformNodeTextChildProviderWin
+class AX_EXPORT AXPlatformNodeTextChildProviderWin
     : public CComObjectRootEx<CComMultiThreadModel>,
       public ITextChildProvider {
  public:
diff --git a/ui/accessibility/platform/ax_platform_node_textchildprovider_win_unittest.cc b/ui/accessibility/platform/ax_platform_node_textchildprovider_win_unittest.cc
index 37bf56a1..91f250c 100644
--- a/ui/accessibility/platform/ax_platform_node_textchildprovider_win_unittest.cc
+++ b/ui/accessibility/platform/ax_platform_node_textchildprovider_win_unittest.cc
@@ -5,9 +5,9 @@
 #include "ui/accessibility/platform/ax_platform_node_win_unittest.h"
 
 #include "ui/accessibility/platform/ax_fragment_root_win.h"
-#include "ui/accessibility/platform/ax_platform_node_textchildprovider_win.cc"
-#include "ui/accessibility/platform/ax_platform_node_textprovider_win.cc"
-#include "ui/accessibility/platform/ax_platform_node_textrangeprovider_win.cc"
+#include "ui/accessibility/platform/ax_platform_node_textchildprovider_win.h"
+#include "ui/accessibility/platform/ax_platform_node_textprovider_win.h"
+#include "ui/accessibility/platform/ax_platform_node_textrangeprovider_win.h"
 
 using Microsoft::WRL::ComPtr;