Remove custom memory manager

BUG=
R=palmer@chromium.org

Review URL: https://codereview.chromium.org/372473003

7 files changed, 1 insertions, 13 deletions

diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
index 2672116e4f..9985f06dc6 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
@@ -543,8 +543,7 @@ static void _CFString2CFXByteString(CFStringRef src, CFX_ByteString &dest)
     SInt32 len =  CFStringGetLength(src);
     CFRange range = CFRangeMake(0, len);
     CFIndex used = 0;
-    UInt8* pBuffer = (UInt8*)malloc(sizeof(UInt8) * (len + 1));
-    FXSYS_memset32(pBuffer, 0, sizeof(UInt8) * (len + 1));
+    UInt8* pBuffer = (UInt8*)calloc(len+1, sizeof(UInt8));
     CFStringGetBytes(src, range, kCFStringEncodingASCII, 0, false, pBuffer, len, &used);
     dest = (FX_LPSTR)pBuffer;
     free(pBuffer);
diff --git a/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp b/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp
index 23bbc4aab9..bd1187645c 100644
--- a/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp
+++ b/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp
@@ -411,7 +411,6 @@ FX_BOOL CPDF_CMap::LoadPredefined(CPDF_CMapManager* pMgr, FX_LPCSTR pName, FX_BO
     m_CodingScheme = map.m_CodingScheme;
     if (m_CodingScheme == MixedTwoBytes) {
         m_pLeadingBytes = FX_Alloc(FX_BYTE, 256);
-        FXSYS_memset32(m_pLeadingBytes, 0, 256);
         for (FX_DWORD i = 0; i < map.m_LeadingSegCount; i ++) {
             for (int b = map.m_LeadingSegs[i * 2]; b <= map.m_LeadingSegs[i * 2 + 1]; b ++) {
                 m_pLeadingBytes[b] = 1;
@@ -431,7 +430,6 @@ FX_BOOL CPDF_CMap::LoadPredefined(CPDF_CMapManager* pMgr, FX_LPCSTR pName, FX_BO
         return FALSE;
     }
     m_pMapping = FX_Alloc(FX_WORD, 65536);
-    FXSYS_memset32(m_pMapping, 0, 65536 * sizeof(FX_WORD));
     FX_DWORD dwRecodeEndPos = 0;
     if (pBuffer[5] == 0) {
         FX_DWORD dwStartIndex = *(FX_DWORD*)(pBuffer + 8);
@@ -480,7 +478,6 @@ extern "C" {
 FX_BOOL CPDF_CMap::LoadEmbedded(FX_LPCBYTE pData, FX_DWORD size)
 {
     m_pMapping = FX_Alloc(FX_WORD, 65536);
-    FXSYS_memset32(m_pMapping, 0, 65536 * sizeof(FX_WORD));
     CPDF_CMapParser parser;
     parser.Initialize(this);
     CPDF_SimpleParser syntax(pData, size);
@@ -1528,7 +1525,6 @@ FX_BOOL CPDF_CIDFont::LoadGB2312()
     CheckFontMetrics();
     m_DefaultWidth = 1000;
     m_pAnsiWidths = FX_Alloc(FX_WORD, 128);
-    FXSYS_memset32(m_pAnsiWidths, 0, 128 * sizeof(FX_WORD));
     for (int i = 32; i < 127; i ++) {
         m_pAnsiWidths[i] = 500;
     }
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp
index 867b245a50..b661bbefba 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp
@@ -1163,7 +1163,6 @@ FX_FLOAT* CPDF_ColorSpace::CreateBuf()
 {
     int size = GetBufSize();
     FX_BYTE* pBuf = FX_Alloc(FX_BYTE, size);
-    FXSYS_memset32(pBuf, 0, size);
     return (FX_FLOAT*)pBuf;
 }
 FX_BOOL CPDF_ColorSpace::sRGB() const
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
index af22c5649e..649bd54a33 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
@@ -721,7 +721,6 @@ FX_BOOL CPDF_StitchFunc::v_Init(CPDF_Object* pObj)
         return FALSE;
     }
     m_pSubFunctions = FX_Alloc(CPDF_Function*, m_nSubs);
-    FXSYS_memset32(m_pSubFunctions, 0, sizeof(CPDF_Function*)*m_nSubs);
     m_nOutputs = 0;
     int i;
     for (i = 0; i < m_nSubs; i ++) {
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp
index 628fb3da99..8053718c19 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp
@@ -71,7 +71,6 @@ CPDF_ClipPathData::CPDF_ClipPathData(const CPDF_ClipPathData& src)
     m_TextCount = src.m_TextCount;
     if (m_TextCount) {
         m_pTextList = FX_Alloc(CPDF_TextObject*, m_TextCount);
-        FXSYS_memset32(m_pTextList, 0, sizeof(CPDF_TextObject*) * m_TextCount);
         for (int i = 0; i < m_TextCount; i ++) {
             if (src.m_pTextList[i]) {
                 m_pTextList[i] = FX_NEW CPDF_TextObject;
@@ -96,7 +95,6 @@ void CPDF_ClipPathData::SetCount(int path_count, int text_count)
     if (text_count) {
         m_TextCount = text_count;
         m_pTextList = FX_Alloc(CPDF_TextObject*, text_count);
-        FXSYS_memset32(m_pTextList, 0, sizeof(void*) * text_count);
     }
 }
 CPDF_Rect CPDF_ClipPath::GetClipBox() const
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
index fe5e59c698..85cf034c1f 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
@@ -962,7 +962,6 @@ void CPDF_ContentParser::Start(CPDF_Page* pPage, CPDF_ParseOptions* pOptions)
             return;
         }
         m_pStreamArray = FX_Alloc(CPDF_StreamAcc*, m_nStreams);
-        FXSYS_memset32(m_pStreamArray, 0, sizeof(CPDF_StreamAcc*) * m_nStreams);
     } else {
         m_Status = Done;
         return;
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp
index a26d619565..fcb422b6c4 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp
@@ -390,7 +390,6 @@ FX_BOOL CPDF_RenderStatus::ProcessType3Text(const CPDF_TextObject* textobj, cons
     FXTEXT_GLYPHPOS* pGlyphAndPos = NULL;
     if (device_class == FXDC_DISPLAY) {
         pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, textobj->m_nChars);
-        FXSYS_memset32(pGlyphAndPos, 0, sizeof(FXTEXT_GLYPHPOS) * textobj->m_nChars);
     } else if (fill_alpha < 255) {
         return FALSE;
     }
@@ -540,7 +539,6 @@ void CPDF_CharPosList::Load(int nChars, FX_DWORD* pCharCodes, FX_FLOAT* pCharPos
                             FX_FLOAT FontSize)
 {
     m_pCharPos = FX_Alloc(FXTEXT_CHARPOS, nChars);
-    FXSYS_memset32(m_pCharPos, 0, sizeof(FXTEXT_CHARPOS) * nChars);
     m_nChars = 0;
     CPDF_CIDFont* pCIDFont = pFont->GetCIDFont();
     FX_BOOL bVertWriting = pCIDFont && pCIDFont->IsVertWriting();