diff --git a/core/fpdfapi/page/cpdf_textobject.cpp b/core/fpdfapi/page/cpdf_textobject.cpp
index 49d6a69..feb49e4 100644
--- a/core/fpdfapi/page/cpdf_textobject.cpp
+++ b/core/fpdfapi/page/cpdf_textobject.cpp
@@ -13,6 +13,8 @@
 #include "core/fpdfapi/font/cpdf_font.h"
 #include "third_party/base/ptr_util.h"
 
+#define ISLATINWORD(u) (u != 0x20 && u <= 0x28FF)
+
 CPDF_TextObjectItem::CPDF_TextObjectItem() : m_CharCode(0) {}
 
 CPDF_TextObjectItem::~CPDF_TextObjectItem() = default;
@@ -99,6 +101,65 @@
   }
 }
 
+int CPDF_TextObject::CountWords() const {
+  RetainPtr<CPDF_Font> pFont = GetFont();
+  if (!pFont)
+    return 0;
+
+  bool bInLatinWord = false;
+  int nWords = 0;
+  for (size_t i = 0, sz = CountChars(); i < sz; ++i) {
+    uint32_t charcode = CPDF_Font::kInvalidCharCode;
+    float unused_kerning;
+    GetCharInfo(i, &charcode, &unused_kerning);
+
+    WideString swUnicode = pFont->UnicodeFromCharCode(charcode);
+    uint16_t unicode = 0;
+    if (swUnicode.GetLength() > 0)
+      unicode = swUnicode[0];
+
+    bool bIsLatin = ISLATINWORD(unicode);
+    if (bIsLatin && bInLatinWord)
+      continue;
+
+    bInLatinWord = bIsLatin;
+    if (unicode != 0x20)
+      nWords++;
+  }
+
+  return nWords;
+}
+
+WideString CPDF_TextObject::GetWordString(int nWordIndex) const {
+  RetainPtr<CPDF_Font> pFont = GetFont();
+  if (!pFont)
+    return WideString();
+
+  WideString swRet;
+  int nWords = 0;
+  bool bInLatinWord = false;
+  for (size_t i = 0, sz = CountChars(); i < sz; ++i) {
+    uint32_t charcode = CPDF_Font::kInvalidCharCode;
+    float unused_kerning;
+    GetCharInfo(i, &charcode, &unused_kerning);
+
+    WideString swUnicode = pFont->UnicodeFromCharCode(charcode);
+    uint16_t unicode = 0;
+    if (swUnicode.GetLength() > 0)
+      unicode = swUnicode[0];
+
+    bool bIsLatin = ISLATINWORD(unicode);
+    if (!bIsLatin || !bInLatinWord) {
+      bInLatinWord = bIsLatin;
+      if (unicode != 0x20)
+        nWords++;
+    }
+    if (nWords - 1 == nWordIndex)
+      swRet += unicode;
+  }
+  return swRet;
+}
+
 std::unique_ptr<CPDF_TextObject> CPDF_TextObject::Clone() const {
   auto obj = pdfium::MakeUnique<CPDF_TextObject>();
   obj->CopyData(this);
diff --git a/core/fpdfapi/page/cpdf_textobject.h b/core/fpdfapi/page/cpdf_textobject.h
index 129a0fe..b0189a9 100644
--- a/core/fpdfapi/page/cpdf_textobject.h
+++ b/core/fpdfapi/page/cpdf_textobject.h
@@ -46,9 +46,12 @@
   void GetCharInfo(size_t index, uint32_t* charcode, float* kerning) const;
   void GetCharInfo(size_t index, CPDF_TextObjectItem* pInfo) const;
   float GetCharWidth(uint32_t charcode) const;
+  int CountWords() const;
+  WideString GetWordString(int nWordIndex) const;
 
   CFX_PointF GetPos() const { return m_Pos; }
   CFX_Matrix GetTextMatrix() const;
+
   RetainPtr<CPDF_Font> GetFont() const;
   float GetFontSize() const;
 
diff --git a/fxjs/cjs_document.cpp b/fxjs/cjs_document.cpp
index 34b5e2a..d71126d 100644
--- a/fxjs/cjs_document.cpp
+++ b/fxjs/cjs_document.cpp
@@ -8,7 +8,6 @@
 
 #include <utility>
 
-#include "core/fpdfapi/font/cpdf_font.h"
 #include "core/fpdfapi/page/cpdf_pageobject.h"
 #include "core/fpdfapi/page/cpdf_textobject.h"
 #include "core/fpdfapi/parser/cpdf_array.h"
@@ -29,75 +28,6 @@
 #include "fxjs/cjs_icon.h"
 #include "fxjs/js_resources.h"
 
-namespace {
-
-#define ISLATINWORD(u) (u != 0x20 && u <= 0x28FF)
-
-int CountWords(const CPDF_TextObject* pTextObj) {
-  RetainPtr<CPDF_Font> pFont = pTextObj->GetFont();
-  if (!pFont)
-    return 0;
-
-  bool bInLatinWord = false;
-  int nWords = 0;
-  for (size_t i = 0, sz = pTextObj->CountChars(); i < sz; ++i) {
-    uint32_t charcode = CPDF_Font::kInvalidCharCode;
-    float unused_kerning;
-
-    pTextObj->GetCharInfo(i, &charcode, &unused_kerning);
-    WideString swUnicode = pFont->UnicodeFromCharCode(charcode);
-
-    uint16_t unicode = 0;
-    if (swUnicode.GetLength() > 0)
-      unicode = swUnicode[0];
-
-    bool bIsLatin = ISLATINWORD(unicode);
-    if (bIsLatin && bInLatinWord)
-      continue;
-
-    bInLatinWord = bIsLatin;
-    if (unicode != 0x20)
-      nWords++;
-  }
-
-  return nWords;
-}
-
-WideString GetObjWordStr(const CPDF_TextObject* pTextObj, int nWordIndex) {
-  RetainPtr<CPDF_Font> pFont = pTextObj->GetFont();
-  if (!pFont)
-    return WideString();
-
-  WideString swRet;
-  int nWords = 0;
-  bool bInLatinWord = false;
-  for (size_t i = 0, sz = pTextObj->CountChars(); i < sz; ++i) {
-    uint32_t charcode = CPDF_Font::kInvalidCharCode;
-    float unused_kerning;
-
-    pTextObj->GetCharInfo(i, &charcode, &unused_kerning);
-    WideString swUnicode = pFont->UnicodeFromCharCode(charcode);
-
-    uint16_t unicode = 0;
-    if (swUnicode.GetLength() > 0)
-      unicode = swUnicode[0];
-
-    bool bIsLatin = ISLATINWORD(unicode);
-    if (!bIsLatin || !bInLatinWord) {
-      bInLatinWord = bIsLatin;
-      if (unicode != 0x20)
-        nWords++;
-    }
-
-    if (nWords - 1 == nWordIndex)
-      swRet += unicode;
-  }
-
-  return swRet;
-}
-
-}  // namespace
-
 const JSPropertySpec CJS_Document::PropertySpecs[] = {
     {"ADBE", get_ADBE_static, set_ADBE_static},
     {"author", get_author_static, set_author_static},
@@ -1319,9 +1249,9 @@
   for (auto& pPageObj : *page) {
     if (pPageObj->IsText()) {
       CPDF_TextObject* pTextObj = pPageObj->AsText();
-      int nObjWords = CountWords(pTextObj);
+      int nObjWords = pTextObj->CountWords();
       if (nWords + nObjWords >= nWordNo) {
-        swRet = GetObjWordStr(pTextObj, nWordNo - nWords);
+        swRet = pTextObj->GetWordString(nWordNo - nWords);
         break;
       }
       nWords += nObjWords;
@@ -1367,9 +1297,8 @@
   int nWords = 0;
   for (auto& pPageObj : *page) {
     if (pPageObj->IsText())
-      nWords += CountWords(pPageObj->AsText());
+      nWords += pPageObj->AsText()->CountWords();
   }
-
   return CJS_Result::Success(pRuntime->NewNumber(nWords));
 }