Remove dead code found by Scythe.

core/src/fxge/ge/fx_ge_text.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../../include/fxge/fx_ge.h"
 #include "../../../include/fxge/fx_freetype.h"
 #include "../../../include/fxcodec/fx_codec.h"
 #include "text_int.h"
@@ skipping 1051 matching lines @@
             delete cache->m_Obj;
             delete cache;
             m_ExtFaceMap.erase(curr_it);
         }
     }
 }
 
 CFX_FaceCache::CFX_FaceCache(FXFT_Face face)
 {
     m_Face = face;
-    m_pBitmap = NULL;
 }
 CFX_FaceCache::~CFX_FaceCache()
 {
     FX_POSITION pos = m_SizeMap.GetStartPosition();
     CFX_ByteString Key;
     CFX_SizeGlyphCache* pSizeCache = NULL;
     while(pos) {
         m_SizeMap.GetNextAssoc( pos, Key, (void*&)pSizeCache);
         delete pSizeCache;
     }
     m_SizeMap.RemoveAll();
     pos = m_PathMap.GetStartPosition();
     void* key1;
     CFX_PathData* pPath;
     while (pos) {
         m_PathMap.GetNextAssoc(pos, key1, (void*&)pPath);
         delete pPath;
     }
-    delete m_pBitmap;
     m_PathMap.RemoveAll();
 }
 #if _FXM_PLATFORM_  != _FXM_PLATFORM_APPLE_
 void CFX_FaceCache::InitPlatform()
 {
 }
 #endif
 CFX_GlyphBitmap* CFX_FaceCache::LookUpGlyphBitmap(CFX_Font* pFont, const CFX_AffineMatrix* pMatrix,
         CFX_ByteStringC& FaceGlyphsKey, FX_DWORD glyph_index, FX_BOOL bFontStyle,
         int dest_width, int anti_alias)
@@ skipping 610 matching lines @@
 {
     va_list argList;
     va_start(argList, count);
     for (int i = 0; i < count; i ++) {
         int p = va_arg(argList, int);
         ((FX_DWORD*)m_Key)[i] = p;
     }
     va_end(argList);
     m_KeyLen = count * sizeof(FX_DWORD);
 }