6 files changed, 8 insertions, 2 deletions
diff --git a/xfa/fxfa/app/xfa_ffapp.cpp b/xfa/fxfa/app/xfa_ffapp.cpp
index d65a611eb9..3f013487f2 100644
--- a/xfa/fxfa/app/xfa_ffapp.cpp
+++ b/xfa/fxfa/app/xfa_ffapp.cpp
@@ -7,7 +7,9 @@
 #include "xfa/fxfa/xfa_ffapp.h"
 
 #include <algorithm>
+#include <memory>
 #include <utility>
+#include <vector>
 
 #include "xfa/fgas/font/cfgas_fontmgr.h"
 #include "xfa/fwl/core/cfwl_widgetmgr.h"
diff --git a/xfa/fxfa/app/xfa_ffapp_unittest.cpp b/xfa/fxfa/app/xfa_ffapp_unittest.cpp
index 7e1b9d7237..10c0545fbb 100644
--- a/xfa/fxfa/app/xfa_ffapp_unittest.cpp
+++ b/xfa/fxfa/app/xfa_ffapp_unittest.cpp
@@ -5,6 +5,7 @@
 #include "xfa/fxfa/xfa_ffapp.h"
 
 #include <memory>
+#include <vector>
 
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
 #include "core/fpdfapi/parser/cpdf_stream.h"
diff --git a/xfa/fxfa/app/xfa_ffdoc.cpp b/xfa/fxfa/app/xfa_ffdoc.cpp
index 5439b1fe47..3d1ead5069 100644
--- a/xfa/fxfa/app/xfa_ffdoc.cpp
+++ b/xfa/fxfa/app/xfa_ffdoc.cpp
@@ -7,6 +7,8 @@
 #include "xfa/fxfa/xfa_ffdoc.h"
 
 #include <algorithm>
+#include <memory>
+#include <vector>
 
 #include "core/fpdfapi/parser/cpdf_array.h"
 #include "core/fpdfapi/parser/cpdf_document.h"
diff --git a/xfa/fxfa/app/xfa_ffnotify.h b/xfa/fxfa/app/xfa_ffnotify.h
index d9530a895e..1bfaffec89 100644
--- a/xfa/fxfa/app/xfa_ffnotify.h
+++ b/xfa/fxfa/app/xfa_ffnotify.h
@@ -14,7 +14,7 @@ class CXFA_FFWidgetHandler;
 
 class CXFA_FFNotify {
  public:
-  CXFA_FFNotify(CXFA_FFDoc* pDoc);
+  explicit CXFA_FFNotify(CXFA_FFDoc* pDoc);
   ~CXFA_FFNotify();
 
   void OnPageEvent(CXFA_ContainerLayoutItem* pSender, uint32_t dwEvent);
diff --git a/xfa/fxfa/app/xfa_ffwidget.cpp b/xfa/fxfa/app/xfa_ffwidget.cpp
index 07ba16cd80..afc2a05f6e 100644
--- a/xfa/fxfa/app/xfa_ffwidget.cpp
+++ b/xfa/fxfa/app/xfa_ffwidget.cpp
@@ -8,6 +8,7 @@
 
 #include <algorithm>
 #include <memory>
+#include <vector>
 
 #include "core/fpdfapi/page/cpdf_pageobjectholder.h"
 #include "core/fxcodec/codec/ccodec_progressivedecoder.h"
diff --git a/xfa/fxfa/app/xfa_fwltheme.h b/xfa/fxfa/app/xfa_fwltheme.h
index 41ddc74c34..630653236f 100644
--- a/xfa/fxfa/app/xfa_fwltheme.h
+++ b/xfa/fxfa/app/xfa_fwltheme.h
@@ -26,7 +26,7 @@
 
 class CXFA_FWLTheme final : public IFWL_ThemeProvider {
  public:
-  CXFA_FWLTheme(CXFA_FFApp* pApp);
+  explicit CXFA_FWLTheme(CXFA_FFApp* pApp);
   ~CXFA_FWLTheme() override;
 
   // IFWL_ThemeProvider: