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-rw-r--r--core/fxcodec/jbig2/JBig2_Context.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/core/fxcodec/jbig2/JBig2_Context.cpp b/core/fxcodec/jbig2/JBig2_Context.cpp
index f4be12e889..30e4aab78c 100644
--- a/core/fxcodec/jbig2/JBig2_Context.cpp
+++ b/core/fxcodec/jbig2/JBig2_Context.cpp
@@ -25,7 +25,6 @@
#include "core/fxcodec/jbig2/JBig2_TrdProc.h"
#include "core/fxcrt/ifx_pauseindicator.h"
#include "third_party/base/ptr_util.h"
-#include "third_party/base/stl_util.h"
namespace {
@@ -46,7 +45,9 @@ size_t GetRefAggContextSize(bool val) {
// list keeps track of the freshness of entries, with freshest ones
// at the front. Even a tiny cache size like 2 makes a dramatic
// difference for typical JBIG2 documents.
-static const int kSymbolDictCacheMaxSize = 2;
+static const size_t kSymbolDictCacheMaxSize = 2;
+static_assert(kSymbolDictCacheMaxSize > 0,
+ "Symbol Dictionary Cache must have non-zero size");
CJBig2_Context::CJBig2_Context(const RetainPtr<CPDF_StreamAcc>& pGlobalStream,
const RetainPtr<CPDF_StreamAcc>& pSrcStream,
@@ -611,7 +612,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
if (m_bIsGlobal) {
std::unique_ptr<CJBig2_SymbolDict> value =
pSegment->m_SymbolDict->DeepCopy();
- int size = pdfium::CollectionSize<int>(*m_pSymbolDictCache);
+ size_t size = m_pSymbolDictCache->size();
while (size >= kSymbolDictCacheMaxSize) {
m_pSymbolDictCache->pop_back();
--size;