Remove a few unused variables, functions, and member variables.

No intended behavior change.

BUG=pdfium:29
R=bo_xu@foxitsoftware.com

Review URL: https://codereview.chromium.org/426763003

4 files changed, 2 insertions, 40 deletions

diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
index 2dd2911e93..19786f7451 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
@@ -1053,26 +1053,6 @@ CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert)
     pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
     return LoadFont(pBaseDict);
 }
-static CPDF_Stream* GetFormStream(CPDF_Document* pDoc, CPDF_Object* pResObj)
-{
-    if (pResObj->GetType() != PDFOBJ_REFERENCE) {
-        return NULL;
-    }
-    CPDF_Reference* pRef = (CPDF_Reference*)pResObj;
-    FX_BOOL bForm;
-    if (pDoc->IsFormStream(pRef->GetRefObjNum(), bForm) && !bForm) {
-        return NULL;
-    }
-    pResObj = pRef->GetDirect();
-    if (pResObj->GetType() != PDFOBJ_STREAM) {
-        return NULL;
-    }
-    CPDF_Stream* pXObject = (CPDF_Stream*)pResObj;
-    if (pXObject->GetDict()->GetString(FX_BSTRC("Subtype")) != FX_BSTRC("Form")) {
-        return NULL;
-    }
-    return pXObject;
-}
 static int InsertDeletePDFPage(CPDF_Document* pDoc, CPDF_Dictionary* pPages,
                                int nPagesToGo, CPDF_Dictionary* pPage, FX_BOOL bInsert, CFX_PtrArray& stackList)
 {
diff --git a/core/src/fpdfdoc/doc_vt.cpp b/core/src/fpdfdoc/doc_vt.cpp
index 09fa2bf416..f3b9bbb484 100644
--- a/core/src/fpdfdoc/doc_vt.cpp
+++ b/core/src/fpdfdoc/doc_vt.cpp
@@ -1741,7 +1741,7 @@ FX_BOOL	CPDF_VariableText_Iterator::NextLine()
 FX_BOOL	CPDF_VariableText_Iterator::PrevLine()
 {
     ASSERT(m_pVT != NULL);
-    if (CSection * pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
+    if (m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
         if (m_CurPos.nLineIndex > 0) {
             m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex, m_CurPos.nLineIndex - 1, -1);
             return TRUE;
@@ -1779,7 +1779,7 @@ FX_BOOL	CPDF_VariableText_Iterator::GetWord(CPVT_Word & word) const
     ASSERT(m_pVT != NULL);
     word.WordPlace = m_CurPos;
     if (CSection * pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
-        if (CLine * pLine = pSection->m_LineArray.GetAt(m_CurPos.nLineIndex)) {
+        if (pSection->m_LineArray.GetAt(m_CurPos.nLineIndex)) {
             if (CPVT_WordInfo * pWord = pSection->m_WordArray.GetAt(m_CurPos.nWordIndex)) {
                 word.Word = pWord->Word;
                 word.nCharset = pWord->nCharset;
diff --git a/core/src/fxcodec/codec/fx_codec_jpeg.cpp b/core/src/fxcodec/codec/fx_codec_jpeg.cpp
index ac4be23e2c..489f099bf8 100644
--- a/core/src/fxcodec/codec/fx_codec_jpeg.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jpeg.cpp
@@ -73,15 +73,6 @@ extern "C" {
 #define	JPEG_MARKER_AUTHORTIME	(JPEG_APP0 + 3)
 #define	JPEG_MARKER_MAXSIZE	0xFFFF
 #define	JPEG_OVERHEAD_LEN	14
-static FX_BOOL _JpegIsIccMarker(jpeg_saved_marker_ptr marker)
-{
-    if (marker->marker == JPEG_MARKER_ICC &&
-            marker->data_length >= JPEG_OVERHEAD_LEN &&
-            (FXSYS_memcmp32(marker->data, "\x49\x43\x43\x5f\x50\x52\x4f\x46\x49\x4c\x45\x00", 12) == 0)) {
-        return TRUE;
-    }
-    return FALSE;
-}
 static	FX_BOOL _JpegEmbedIccProfile(j_compress_ptr cinfo, FX_LPCBYTE icc_buf_ptr, FX_DWORD icc_length)
 {
     if(icc_buf_ptr == NULL || icc_length == 0) {
diff --git a/core/src/fxge/ge/fx_ge_fontmap.cpp b/core/src/fxge/ge/fx_ge_fontmap.cpp
index 4c99765e7d..a5fa6443a8 100644
--- a/core/src/fxge/ge/fx_ge_fontmap.cpp
+++ b/core/src/fxge/ge/fx_ge_fontmap.cpp
@@ -534,15 +534,6 @@ static CFX_ByteString _FPDF_ReadStringFromFile(FXSYS_FILE* pFile, FX_DWORD size)
     buffer.ReleaseBuffer(size);
     return buffer;
 }
-static CFX_ByteString _FPDF_ReadStringFromStreamFile(IFX_FileStream* pFile, FX_DWORD size)
-{
-    CFX_ByteString buffer;
-    if (!pFile->ReadBlock(buffer.GetBuffer(size), size)) {
-        return CFX_ByteString();
-    }
-    buffer.ReleaseBuffer(size);
-    return buffer;
-}
 CFX_ByteString _FPDF_LoadTableFromTT(FXSYS_FILE* pFile, FX_LPCBYTE pTables, FX_DWORD nTables, FX_DWORD tag)
 {
     for (FX_DWORD i = 0; i < nTables; i ++) {