Merge to XFA: Remove a bunch of dead code.

TBR=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1567333003 .

(cherry picked from commit 4a24ad858484ecdf9b49481e63060e4d476cf1c7)

Review URL: https://codereview.chromium.org/1569783007 .

11 files changed, 1 insertions, 218 deletions

diff --git a/core/include/fxcrt/fx_stream.h b/core/include/fxcrt/fx_stream.h
index a5bec7f51b..f98e44b846 100644
--- a/core/include/fxcrt/fx_stream.h
+++ b/core/include/fxcrt/fx_stream.h
@@ -44,18 +44,7 @@ FX_WCHAR FX_GetFolderSeparator();
 #define FX_FILEMODE_Write 0
 #define FX_FILEMODE_ReadOnly 1
 #define FX_FILEMODE_Truncate 2
-FX_BOOL FX_File_Exist(const CFX_ByteStringC& fileName);
-FX_BOOL FX_File_Exist(const CFX_WideStringC& fileName);
-FX_BOOL FX_File_Delete(const CFX_ByteStringC& fileName);
-FX_BOOL FX_File_Delete(const CFX_WideStringC& fileName);
-FX_BOOL FX_File_Copy(const CFX_ByteStringC& fileNameSrc,
-                     const CFX_ByteStringC& fileNameDst);
-FX_BOOL FX_File_Copy(const CFX_WideStringC& fileNameSrc,
-                     const CFX_WideStringC& fileNameDst);
-FX_BOOL FX_File_Move(const CFX_ByteStringC& fileNameSrc,
-                     const CFX_ByteStringC& fileNameDst);
-FX_BOOL FX_File_Move(const CFX_WideStringC& fileNameSrc,
-                     const CFX_WideStringC& fileNameDst);
+
 class IFX_StreamWrite {
  public:
   virtual ~IFX_StreamWrite() {}
diff --git a/core/src/fxcrt/fxcrt_platforms.cpp b/core/src/fxcrt/fxcrt_platforms.cpp
index 190605cb60..4c123d3984 100644
--- a/core/src/fxcrt/fxcrt_platforms.cpp
+++ b/core/src/fxcrt/fxcrt_platforms.cpp
@@ -129,51 +129,4 @@ FX_BOOL CFXCRT_FileAccess_CRT::Flush() {
 FX_BOOL CFXCRT_FileAccess_CRT::Truncate(FX_FILESIZE szFile) {
   return FALSE;
 }
-FX_BOOL FX_File_Exist(const CFX_ByteStringC& fileName) {
-  return access(fileName.GetCStr(), F_OK) > -1;
-}
-FX_BOOL FX_File_Exist(const CFX_WideStringC& fileName) {
-  return FX_File_Exist(FX_UTF8Encode(fileName));
-}
-FX_BOOL FX_File_Delete(const CFX_ByteStringC& fileName) {
-  return remove(fileName.GetCStr()) > -1;
-}
-FX_BOOL FX_File_Delete(const CFX_WideStringC& fileName) {
-  return FX_File_Delete(FX_UTF8Encode(fileName));
-}
-FX_BOOL FX_File_Copy(const CFX_ByteStringC& fileNameSrc,
-                     const CFX_ByteStringC& fileNameDst) {
-  CFXCRT_FileAccess_CRT src, dst;
-  if (!src.Open(fileNameSrc, FX_FILEMODE_ReadOnly)) {
-    return FALSE;
-  }
-  FX_FILESIZE size = src.GetSize();
-  if (!size) {
-    return FALSE;
-  }
-  if (!dst.Open(fileNameDst, FX_FILEMODE_Truncate)) {
-    return FALSE;
-  }
-  FX_FILESIZE num = 0;
-  uint8_t* pBuffer = FX_Alloc(uint8_t, 32768);
-  while (num = src.Read(pBuffer, 32768)) {
-    if (dst.Write(pBuffer, num) != num) {
-      break;
-    }
-  }
-  FX_Free(pBuffer);
-  return TRUE;
-}
-FX_BOOL FX_File_Copy(const CFX_WideStringC& fileNameSrc,
-                     const CFX_WideStringC& fileNameDst) {
-  return FX_File_Copy(FX_UTF8Encode(fileNameSrc), FX_UTF8Encode(fileNameDst));
-}
-FX_BOOL FX_File_Move(const CFX_ByteStringC& fileNameSrc,
-                     const CFX_ByteStringC& fileNameDst) {
-  return rename(fileNameSrc.GetCStr(), fileNameDst.GetCStr());
-}
-FX_BOOL FX_File_Move(const CFX_WideStringC& fileNameSrc,
-                     const CFX_WideStringC& fileNameDst) {
-  return FX_File_Move(FX_UTF8Encode(fileNameSrc), FX_UTF8Encode(fileNameDst));
-}
 #endif
diff --git a/core/src/fxcrt/fxcrt_posix.cpp b/core/src/fxcrt/fxcrt_posix.cpp
index d7df15eb32..f6710eb49b 100644
--- a/core/src/fxcrt/fxcrt_posix.cpp
+++ b/core/src/fxcrt/fxcrt_posix.cpp
@@ -127,53 +127,4 @@ FX_BOOL CFXCRT_FileAccess_Posix::Truncate(FX_FILESIZE szFile) {
   }
   return !ftruncate(m_nFD, szFile);
 }
-FX_BOOL FX_File_Exist(const CFX_ByteStringC& fileName) {
-  return access(fileName.GetCStr(), F_OK) > -1;
-}
-FX_BOOL FX_File_Exist(const CFX_WideStringC& fileName) {
-  return FX_File_Exist(FX_UTF8Encode(fileName));
-}
-FX_BOOL FX_File_Delete(const CFX_ByteStringC& fileName) {
-  return remove(fileName.GetCStr()) > -1;
-}
-FX_BOOL FX_File_Delete(const CFX_WideStringC& fileName) {
-  return FX_File_Delete(FX_UTF8Encode(fileName));
-}
-FX_BOOL FX_File_Copy(const CFX_ByteStringC& fileNameSrc,
-                     const CFX_ByteStringC& fileNameDst) {
-  CFXCRT_FileAccess_Posix src, dst;
-  if (!src.Open(fileNameSrc, FX_FILEMODE_ReadOnly)) {
-    return FALSE;
-  }
-  FX_FILESIZE size = src.GetSize();
-  if (!size) {
-    return FALSE;
-  }
-  if (!dst.Open(fileNameDst, FX_FILEMODE_Truncate)) {
-    return FALSE;
-  }
-  size_t num = 0;
-  uint8_t* pBuffer = FX_Alloc(uint8_t, 32768);
-  num = src.Read(pBuffer, 32768);
-  while (num) {
-    if (dst.Write(pBuffer, num) != num) {
-      break;
-    }
-    num = src.Read(pBuffer, 32768);
-  }
-  FX_Free(pBuffer);
-  return TRUE;
-}
-FX_BOOL FX_File_Copy(const CFX_WideStringC& fileNameSrc,
-                     const CFX_WideStringC& fileNameDst) {
-  return FX_File_Copy(FX_UTF8Encode(fileNameSrc), FX_UTF8Encode(fileNameDst));
-}
-FX_BOOL FX_File_Move(const CFX_ByteStringC& fileNameSrc,
-                     const CFX_ByteStringC& fileNameDst) {
-  return rename(fileNameSrc.GetCStr(), fileNameDst.GetCStr());
-}
-FX_BOOL FX_File_Move(const CFX_WideStringC& fileNameSrc,
-                     const CFX_WideStringC& fileNameDst) {
-  return FX_File_Move(FX_UTF8Encode(fileNameSrc), FX_UTF8Encode(fileNameDst));
-}
 #endif
diff --git a/core/src/fxcrt/fxcrt_windows.cpp b/core/src/fxcrt/fxcrt_windows.cpp
index aff6a58aea..6f379a127c 100644
--- a/core/src/fxcrt/fxcrt_windows.cpp
+++ b/core/src/fxcrt/fxcrt_windows.cpp
@@ -9,20 +9,6 @@
 #include "core/include/fxcrt/fx_string.h"
 
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-FX_BOOL FX_File_Exist(const CFX_ByteStringC& fileName) {
-  FX_DWORD dwAttri = ::GetFileAttributesA(fileName.GetCStr());
-  if (dwAttri == -1) {
-    return FALSE;
-  }
-  return (dwAttri & FILE_ATTRIBUTE_DIRECTORY) == 0;
-}
-FX_BOOL FX_File_Exist(const CFX_WideStringC& fileName) {
-  FX_DWORD dwAttri = ::GetFileAttributesW((LPCWSTR)fileName.GetPtr());
-  if (dwAttri == -1) {
-    return FALSE;
-  }
-  return (dwAttri & FILE_ATTRIBUTE_DIRECTORY) == 0;
-}
 IFXCRT_FileAccess* FXCRT_FileAccess_Create() {
   return new CFXCRT_FileAccess_Win64;
 }
@@ -183,28 +169,4 @@ FX_BOOL CFXCRT_FileAccess_Win64::Truncate(FX_FILESIZE szFile) {
   }
   return ::SetEndOfFile(m_hFile);
 }
-FX_BOOL FX_File_Delete(const CFX_ByteStringC& fileName) {
-  return ::DeleteFileA(fileName.GetCStr());
-}
-FX_BOOL FX_File_Delete(const CFX_WideStringC& fileName) {
-  return ::DeleteFileW((LPCWSTR)fileName.GetPtr());
-}
-FX_BOOL FX_File_Copy(const CFX_ByteStringC& fileNameSrc,
-                     const CFX_ByteStringC& fileNameDst) {
-  return ::CopyFileA(fileNameSrc.GetCStr(), fileNameDst.GetCStr(), FALSE);
-}
-FX_BOOL FX_File_Copy(const CFX_WideStringC& fileNameSrc,
-                     const CFX_WideStringC& fileNameDst) {
-  return ::CopyFileW((LPCWSTR)fileNameSrc.GetPtr(),
-                     (LPCWSTR)fileNameDst.GetPtr(), FALSE);
-}
-FX_BOOL FX_File_Move(const CFX_ByteStringC& fileNameSrc,
-                     const CFX_ByteStringC& fileNameDst) {
-  return ::MoveFileA(fileNameSrc.GetCStr(), fileNameDst.GetCStr());
-}
-FX_BOOL FX_File_Move(const CFX_WideStringC& fileNameSrc,
-                     const CFX_WideStringC& fileNameDst) {
-  return ::MoveFileW((LPCWSTR)fileNameSrc.GetPtr(),
-                     (LPCWSTR)fileNameDst.GetPtr());
-}
 #endif
diff --git a/fpdfsdk/include/pdfwindow/PWL_ComboBox.h b/fpdfsdk/include/pdfwindow/PWL_ComboBox.h
index 9860483aca..b174f022b8 100644
--- a/fpdfsdk/include/pdfwindow/PWL_ComboBox.h
+++ b/fpdfsdk/include/pdfwindow/PWL_ComboBox.h
@@ -65,7 +65,6 @@ class CPWL_ComboBox : public CPWL_Wnd {
   CPDF_Rect GetFocusRect() const override;
   void SetFocus() override;
   void KillFocus() override;
-  FX_BOOL IsModified() const override;
 
   void SetFillerNotify(IPWL_Filler_Notify* pNotify);
 
diff --git a/fpdfsdk/include/pdfwindow/PWL_EditCtrl.h b/fpdfsdk/include/pdfwindow/PWL_EditCtrl.h
index 284de9ed7f..0d5c931148 100644
--- a/fpdfsdk/include/pdfwindow/PWL_EditCtrl.h
+++ b/fpdfsdk/include/pdfwindow/PWL_EditCtrl.h
@@ -117,7 +117,6 @@ class CPWL_EditCtrl : public CPWL_Wnd, public IFX_Edit_Notify {
   void SetFontSize(FX_FLOAT fFontSize) override;
   FX_FLOAT GetFontSize() const override;
   void SetCursor() override;
-  FX_BOOL IsModified() const override;
 
  protected:
   // IFX_Edit_Notify
diff --git a/fpdfsdk/include/pdfwindow/PWL_Wnd.h b/fpdfsdk/include/pdfwindow/PWL_Wnd.h
index 4f59fc3d92..058057bb76 100644
--- a/fpdfsdk/include/pdfwindow/PWL_Wnd.h
+++ b/fpdfsdk/include/pdfwindow/PWL_Wnd.h
@@ -335,8 +335,6 @@ class CPWL_Wnd : public CPWL_TimerHandler {
   virtual CPWL_Color GetBorderLeftTopColor(int32_t nBorderStyle) const;
   virtual CPWL_Color GetBorderRightBottomColor(int32_t nBorderStyle) const;
 
-  virtual FX_BOOL IsModified() const { return FALSE; }
-
   virtual void SetFontSize(FX_FLOAT fFontSize);
 
   void SetBackgroundColor(const CPWL_Color& color);
diff --git a/fpdfsdk/src/javascript/Document.cpp b/fpdfsdk/src/javascript/Document.cpp
index 9a434a5db7..db98fcc5e4 100644
--- a/fpdfsdk/src/javascript/Document.cpp
+++ b/fpdfsdk/src/javascript/Document.cpp
@@ -666,16 +666,6 @@ CPDFSDK_Document* Document::GetReaderDoc() {
   return m_pDocument;
 }
 
-FX_BOOL Document::ExtractFileName(CPDFSDK_Document* pDoc,
-                                  CFX_ByteString& strFileName) {
-  return FALSE;
-}
-
-FX_BOOL Document::ExtractFolderName(CPDFSDK_Document* pDoc,
-                                    CFX_ByteString& strFolderName) {
-  return FALSE;
-}
-
 FX_BOOL Document::bookmarkRoot(IJS_Context* cc,
                                CJS_PropValue& vp,
                                CFX_WideString& sError) {
@@ -1107,48 +1097,6 @@ FX_BOOL Document::documentFileName(IJS_Context* cc,
   return TRUE;
 }
 
-CFX_WideString Document::ReversalStr(CFX_WideString cbFrom) {
-  size_t iLength = cbFrom.GetLength();
-  pdfium::base::CheckedNumeric<size_t> iSize = sizeof(wchar_t);
-  iSize *= (iLength + 1);
-  wchar_t* pResult = (wchar_t*)malloc(iSize.ValueOrDie());
-  wchar_t* pFrom = (wchar_t*)cbFrom.GetBuffer(iLength);
-
-  for (size_t i = 0; i < iLength; i++) {
-    pResult[i] = *(pFrom + iLength - i - 1);
-  }
-  pResult[iLength] = L'\0';
-
-  cbFrom.ReleaseBuffer();
-  CFX_WideString cbRet = CFX_WideString(pResult);
-  free(pResult);
-  pResult = NULL;
-  return cbRet;
-}
-
-CFX_WideString Document::CutString(CFX_WideString cbFrom) {
-  size_t iLength = cbFrom.GetLength();
-  pdfium::base::CheckedNumeric<size_t> iSize = sizeof(wchar_t);
-  iSize *= (iLength + 1);
-  wchar_t* pResult = (wchar_t*)malloc(iSize.ValueOrDie());
-  wchar_t* pFrom = (wchar_t*)cbFrom.GetBuffer(iLength);
-
-  for (size_t i = 0; i < iLength; i++) {
-    if (pFrom[i] == L'\\' || pFrom[i] == L'/') {
-      pResult[i] = L'\0';
-      break;
-    }
-    pResult[i] = pFrom[i];
-  }
-  pResult[iLength] = L'\0';
-
-  cbFrom.ReleaseBuffer();
-  CFX_WideString cbRet = CFX_WideString(pResult);
-  free(pResult);
-  pResult = NULL;
-  return cbRet;
-}
-
 FX_BOOL Document::path(IJS_Context* cc,
                        CJS_PropValue& vp,
                        CFX_WideString& sError) {
diff --git a/fpdfsdk/src/javascript/Document.h b/fpdfsdk/src/javascript/Document.h
index 94860fc425..2295fd7328 100644
--- a/fpdfsdk/src/javascript/Document.h
+++ b/fpdfsdk/src/javascript/Document.h
@@ -56,7 +56,6 @@ class Document : public CJS_EmbedObj {
   Document(CJS_Object* pJSObject);
   ~Document() override;
 
- public:
   FX_BOOL ADBE(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError);
   FX_BOOL author(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError);
   FX_BOOL baseURL(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError);
@@ -258,21 +257,14 @@ class Document : public CJS_EmbedObj {
                      CJS_Value& vRet,
                      CFX_WideString& sError);
 
- public:
   void AttachDoc(CPDFSDK_Document* pDoc);
   CPDFSDK_Document* GetReaderDoc();
-  static FX_BOOL ExtractFileName(CPDFSDK_Document* pDoc,
-                                 CFX_ByteString& strFileName);
-  static FX_BOOL ExtractFolderName(CPDFSDK_Document* pDoc,
-                                   CFX_ByteString& strFolderName);
   void AddDelayData(CJS_DelayData* pData);
   void DoFieldDelay(const CFX_WideString& sFieldName, int nControlIndex);
   void SetIsolate(v8::Isolate* isolate) { m_isolate = isolate; }
   CJS_Document* GetCJSDoc() const;
 
  private:
-  CFX_WideString ReversalStr(CFX_WideString cbFrom);
-  CFX_WideString CutString(CFX_WideString cbFrom);
   bool IsEnclosedInRect(CFX_FloatRect rect, CFX_FloatRect LinkRect);
   int CountWords(CPDF_TextObject* pTextObj);
   CFX_WideString GetObjWordStr(CPDF_TextObject* pTextObj, int nWordIndex);
diff --git a/fpdfsdk/src/pdfwindow/PWL_ComboBox.cpp b/fpdfsdk/src/pdfwindow/PWL_ComboBox.cpp
index f5f3a7873c..7582ae412b 100644
--- a/fpdfsdk/src/pdfwindow/PWL_ComboBox.cpp
+++ b/fpdfsdk/src/pdfwindow/PWL_ComboBox.cpp
@@ -637,10 +637,6 @@ void CPWL_ComboBox::SetSelectText() {
   m_nSelectItem = m_pList->GetCurSel();
 }
 
-FX_BOOL CPWL_ComboBox::IsModified() const {
-  return m_pEdit->IsModified();
-}
-
 void CPWL_ComboBox::SetFillerNotify(IPWL_Filler_Notify* pNotify) {
   m_pFillerNotify = pNotify;
 
diff --git a/fpdfsdk/src/pdfwindow/PWL_EditCtrl.cpp b/fpdfsdk/src/pdfwindow/PWL_EditCtrl.cpp
index e54810e0ce..c505c7e780 100644
--- a/fpdfsdk/src/pdfwindow/PWL_EditCtrl.cpp
+++ b/fpdfsdk/src/pdfwindow/PWL_EditCtrl.cpp
@@ -383,10 +383,6 @@ void CPWL_EditCtrl::SetCaret(FX_BOOL bVisible,
   }
 }
 
-FX_BOOL CPWL_EditCtrl::IsModified() const {
-  return m_pEdit->IsModified();
-}
-
 CFX_WideString CPWL_EditCtrl::GetText() const {
   return m_pEdit->GetText();
 }