Move cpdfsdk_xfawidgethandler.cpp to fpdfxfa/cpdfxfa_widgethandler.cpp

More appropriate layering so that the access to xfa/ is less present
in the top-level fpdfsdk/ layer.

Change-Id: I5b2d6572e819ea7462033ef9a9b164ea0f7f1a17
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/59010
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/fpdfsdk/cpdfsdk_annothandlermgr.cpp b/fpdfsdk/cpdfsdk_annothandlermgr.cpp
index 68a833e..d72d39e 100644
--- a/fpdfsdk/cpdfsdk_annothandlermgr.cpp
+++ b/fpdfsdk/cpdfsdk_annothandlermgr.cpp
@@ -24,8 +24,8 @@
 #include "third_party/base/ptr_util.h"
 
 #ifdef PDF_ENABLE_XFA
-#include "fpdfsdk/cpdfsdk_xfawidgethandler.h"
 #include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
+#include "fpdfsdk/fpdfxfa/cpdfxfa_widgethandler.h"
 #endif  // PDF_ENABLE_XFA
 
 CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr(
@@ -35,7 +35,7 @@
 #ifdef PDF_ENABLE_XFA
       ,
       m_pXFAWidgetHandler(
-          pdfium::MakeUnique<CPDFSDK_XFAWidgetHandler>(pFormFillEnv))
+          pdfium::MakeUnique<CPDFXFA_WidgetHandler>(pFormFillEnv))
 #endif  // PDF_ENABLE_XFA
 {
 }