Replace ASSERT and ASSERT_NOT_REACHED in core/style/

third_party/WebKit/Source/core/style/QuotesData.cpp

Index: third_party/WebKit/Source/core/style/QuotesData.cpp
diff --git a/third_party/WebKit/Source/core/style/QuotesData.cpp b/third_party/WebKit/Source/core/style/QuotesData.cpp
index 0eafa382c163ffbe1b7b67aa0dff2cea68e2ada7..2e502aa09ef32e8cc1f911277599e96a1dd43068 100644
--- a/third_party/WebKit/Source/core/style/QuotesData.cpp
+++ b/third_party/WebKit/Source/core/style/QuotesData.cpp
@@ -38,7 +38,7 @@ void QuotesData::addPair(std::pair<String, String> quotePair) {
 }
 
 const String QuotesData::getOpenQuote(int index) const {
-  ASSERT(index >= 0);
+  DCHECK_GE(index, 0);
   if (!m_quotePairs.size() || index < 0)
     return emptyString;
   if ((size_t)index >= m_quotePairs.size())
@@ -47,7 +47,7 @@ const String QuotesData::getOpenQuote(int index) const {
 }
 
 const String QuotesData::getCloseQuote(int index) const {
-  ASSERT(index >= -1);
+  DCHECK_GE(index, -1);
   if (!m_quotePairs.size() || index < 0)
     return emptyString;
   if ((size_t)index >= m_quotePairs.size())