Fix build at 310438fb97a2
Missing include in fsdk_mgr.h
TBR=dsinclair@chromium.org
Review URL: https://codereview.chromium.org/1774303002 .
diff --git a/fpdfsdk/include/fsdk_mgr.h b/fpdfsdk/include/fsdk_mgr.h
index 4e9aab4..0329dff 100644
--- a/fpdfsdk/include/fsdk_mgr.h
+++ b/fpdfsdk/include/fsdk_mgr.h
@@ -11,6 +11,7 @@
#include <memory>
#include <vector>
+#include "core/include/fpdfapi/cpdf_document.h"
#include "core/include/fpdftext/fpdf_text.h"
#include "fpdfsdk/include/fsdk_actionhandler.h"
#include "fpdfsdk/include/fsdk_annothandler.h"
@@ -31,7 +32,6 @@
class CFFL_IFormFiller;
class CPDFSDK_ActionHandler;
class CPDFSDK_Annot;
-class CPDFSDK_Document;
class CPDFSDK_InterForm;
class CPDFSDK_PageView;
class CPDFSDK_Widget;