Merge to XFA: Add more overrides.

fpdfsdk/include/fxedit/fxet_edit.h

Index: fpdfsdk/include/fxedit/fxet_edit.h
diff --git a/fpdfsdk/include/fxedit/fxet_edit.h b/fpdfsdk/include/fxedit/fxet_edit.h
index 21ebe6bae16c46e2bb2c981e866227b888be7c93..1ecb70426f1bf27e9fb1b12319df2c1f0ac7fa8b 100644
--- a/fpdfsdk/include/fxedit/fxet_edit.h
+++ b/fpdfsdk/include/fxedit/fxet_edit.h
@@ -814,16 +814,21 @@ class CFX_Edit_Iterator : public IFX_Edit_Iterator {
 class CFX_Edit_Provider : public IPDF_VariableText_Provider {
  public:
   CFX_Edit_Provider(IFX_Edit_FontMap* pFontMap);
-  virtual ~CFX_Edit_Provider();
+  ~CFX_Edit_Provider() override;
 
   IFX_Edit_FontMap* GetFontMap();
 
-  int32_t GetCharWidth(int32_t nFontIndex, FX_WORD word, int32_t nWordStyle);
-  int32_t GetTypeAscent(int32_t nFontIndex);
-  int32_t GetTypeDescent(int32_t nFontIndex);
-  int32_t GetWordFontIndex(FX_WORD word, int32_t charset, int32_t nFontIndex);
-  int32_t GetDefaultFontIndex();
-  FX_BOOL IsLatinWord(FX_WORD word);
+  // IPDF_VariableText_Provider:
+  int32_t GetCharWidth(int32_t nFontIndex,
+                       FX_WORD word,
+                       int32_t nWordStyle) override;
+  int32_t GetTypeAscent(int32_t nFontIndex) override;
+  int32_t GetTypeDescent(int32_t nFontIndex) override;
+  int32_t GetWordFontIndex(FX_WORD word,
+                           int32_t charset,
+                           int32_t nFontIndex) override;
+  int32_t GetDefaultFontIndex() override;
+  FX_BOOL IsLatinWord(FX_WORD word) override;
 
  private:
   IFX_Edit_FontMap* m_pFontMap;