Rename FX_SAFE_DWORD to FX_SAFE_UINT32

We removed the FX_DWORD typedef in favour of uint32_t. This CL cleans up the
FX_SAFE_DWORD naming to match.

BUG=pdfium:81, pdfium:470

Review URL: https://codereview.chromium.org/1861403002

3 files changed, 16 insertions, 15 deletions

diff --git a/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp b/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
index 15f98b26b9..68f8b88557 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
@@ -1507,7 +1507,7 @@ IPDF_DataAvail::DocAvailStatus CPDF_DataAvail::CheckLinearizedData(
     return DataAvailable;
 
   if (!m_bMainXRefLoadTried) {
-    FX_SAFE_DWORD data_size = m_dwFileLen;
+    FX_SAFE_UINT32 data_size = m_dwFileLen;
     data_size -= m_dwLastXRefOffset;
     if (!data_size.IsValid())
       return DataError;
diff --git a/core/fpdfapi/fpdf_parser/cpdf_hint_tables.cpp b/core/fpdfapi/fpdf_parser/cpdf_hint_tables.cpp
index 18687e5fb7..3e08ead9ff 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_hint_tables.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_hint_tables.cpp
@@ -16,7 +16,7 @@
 namespace {
 
 bool CanReadFromBitStream(const CFX_BitStream* hStream,
-                          const FX_SAFE_DWORD& num_bits) {
+                          const FX_SAFE_UINT32& num_bits) {
   return num_bits.IsValid() &&
          hStream->BitsRemaining() >= num_bits.ValueOrDie();
 }
@@ -60,7 +60,7 @@ FX_BOOL CPDF_HintTables::ReadPageHintTable(CFX_BitStream* hStream) {
   // Item 2: The location of the first page's page object.
   uint32_t dwFirstObjLoc = hStream->GetBits(32);
   if (dwFirstObjLoc > static_cast<uint32_t>(nStreamOffset)) {
-    FX_SAFE_DWORD safeLoc = pdfium::base::checked_cast<uint32_t>(nStreamLen);
+    FX_SAFE_UINT32 safeLoc = pdfium::base::checked_cast<uint32_t>(nStreamLen);
     safeLoc += dwFirstObjLoc;
     if (!safeLoc.IsValid())
       return FALSE;
@@ -107,13 +107,13 @@ FX_BOOL CPDF_HintTables::ReadPageHintTable(CFX_BitStream* hStream) {
   if (nPages < 1)
     return FALSE;
 
-  FX_SAFE_DWORD required_bits = dwDeltaObjectsBits;
+  FX_SAFE_UINT32 required_bits = dwDeltaObjectsBits;
   required_bits *= pdfium::base::checked_cast<uint32_t>(nPages);
   if (!CanReadFromBitStream(hStream, required_bits))
     return FALSE;
 
   for (int i = 0; i < nPages; ++i) {
-    FX_SAFE_DWORD safeDeltaObj = hStream->GetBits(dwDeltaObjectsBits);
+    FX_SAFE_UINT32 safeDeltaObj = hStream->GetBits(dwDeltaObjectsBits);
     safeDeltaObj += dwObjLeastNum;
     if (!safeDeltaObj.IsValid())
       return FALSE;
@@ -128,7 +128,7 @@ FX_BOOL CPDF_HintTables::ReadPageHintTable(CFX_BitStream* hStream) {
 
   CFX_ArrayTemplate<uint32_t> dwPageLenArray;
   for (int i = 0; i < nPages; ++i) {
-    FX_SAFE_DWORD safePageLen = hStream->GetBits(dwDeltaPageLenBits);
+    FX_SAFE_UINT32 safePageLen = hStream->GetBits(dwDeltaPageLenBits);
     safePageLen += dwPageLeastLen;
     if (!safePageLen.IsValid())
       return FALSE;
@@ -191,7 +191,7 @@ FX_BOOL CPDF_HintTables::ReadPageHintTable(CFX_BitStream* hStream) {
   hStream->ByteAlign();
 
   for (int i = 0; i < nPages; i++) {
-    FX_SAFE_DWORD safeSize = m_dwNSharedObjsArray[i];
+    FX_SAFE_UINT32 safeSize = m_dwNSharedObjsArray[i];
     safeSize *= dwSharedNumeratorBits;
     if (!CanReadFromBitStream(hStream, safeSize))
       return FALSE;
@@ -200,7 +200,8 @@ FX_BOOL CPDF_HintTables::ReadPageHintTable(CFX_BitStream* hStream) {
   }
   hStream->ByteAlign();
 
-  FX_SAFE_DWORD safeTotalPageLen = pdfium::base::checked_cast<uint32_t>(nPages);
+  FX_SAFE_UINT32 safeTotalPageLen =
+      pdfium::base::checked_cast<uint32_t>(nPages);
   safeTotalPageLen *= dwDeltaPageLenBits;
   if (!CanReadFromBitStream(hStream, safeTotalPageLen))
     return FALSE;
@@ -220,7 +221,7 @@ FX_BOOL CPDF_HintTables::ReadSharedObjHintTable(CFX_BitStream* hStream,
   if (nStreamOffset < 0 || nStreamLen < 1)
     return FALSE;
 
-  FX_SAFE_DWORD bit_offset = offset;
+  FX_SAFE_UINT32 bit_offset = offset;
   bit_offset *= 8;
   if (!bit_offset.IsValid() || hStream->GetPos() > bit_offset.ValueOrDie())
     return FALSE;
@@ -263,14 +264,14 @@ FX_BOOL CPDF_HintTables::ReadSharedObjHintTable(CFX_BitStream* hStream,
 
   uint32_t dwPrevObjLen = 0;
   uint32_t dwCurObjLen = 0;
-  FX_SAFE_DWORD required_bits = dwSharedObjTotal;
+  FX_SAFE_UINT32 required_bits = dwSharedObjTotal;
   required_bits *= dwDeltaGroupLen;
   if (!CanReadFromBitStream(hStream, required_bits))
     return FALSE;
 
   for (uint32_t i = 0; i < dwSharedObjTotal; ++i) {
     dwPrevObjLen = dwCurObjLen;
-    FX_SAFE_DWORD safeObjLen = hStream->GetBits(dwDeltaGroupLen);
+    FX_SAFE_UINT32 safeObjLen = hStream->GetBits(dwDeltaGroupLen);
     safeObjLen += dwGroupLeastLen;
     if (!safeObjLen.IsValid())
       return FALSE;
@@ -281,7 +282,7 @@ FX_BOOL CPDF_HintTables::ReadSharedObjHintTable(CFX_BitStream* hStream,
       if (i == 0)
         m_szSharedObjOffsetArray.push_back(m_szFirstPageObjOffset);
     } else {
-      FX_SAFE_DWORD safeObjNum = dwFirstSharedObjNum;
+      FX_SAFE_UINT32 safeObjNum = dwFirstSharedObjNum;
       safeObjNum += i - m_nFirstPageSharedObjs;
       if (!safeObjNum.IsValid())
         return FALSE;
diff --git a/core/fpdfapi/fpdf_parser/cpdf_parser.cpp b/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
index 73ca71ef1a..15af1ca5c7 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
@@ -1012,7 +1012,7 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) {
   }
 
   CFX_ArrayTemplate<uint32_t> WidthArray;
-  FX_SAFE_DWORD dwAccWidth = 0;
+  FX_SAFE_UINT32 dwAccWidth = 0;
   for (uint32_t i = 0; i < pArray->GetCount(); i++) {
     WidthArray.Add(pArray->GetIntegerAt(i));
     dwAccWidth += WidthArray[i];
@@ -1039,7 +1039,7 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) {
         pdfium::base::checked_cast<uint32_t, int32_t>(startnum);
     uint32_t count =
         pdfium::base::checked_cast<uint32_t, int32_t>(arrIndex[i].second);
-    FX_SAFE_DWORD dwCaculatedSize = segindex;
+    FX_SAFE_UINT32 dwCaculatedSize = segindex;
     dwCaculatedSize += count;
     dwCaculatedSize *= totalWidth;
     if (!dwCaculatedSize.IsValid() ||
@@ -1048,7 +1048,7 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) {
     }
 
     const uint8_t* segstart = pData + segindex * totalWidth;
-    FX_SAFE_DWORD dwMaxObjNum = startnum;
+    FX_SAFE_UINT32 dwMaxObjNum = startnum;
     dwMaxObjNum += count;
     uint32_t dwV5Size = m_ObjectInfo.empty() ? 0 : GetLastObjNum() + 1;
     if (!dwMaxObjNum.IsValid() || dwMaxObjNum.ValueOrDie() > dwV5Size)