Remove ASSERT_UNUSED

third_party/WebKit/Source/wtf/text/WTFString.cpp

Index: third_party/WebKit/Source/wtf/text/WTFString.cpp
diff --git a/third_party/WebKit/Source/wtf/text/WTFString.cpp b/third_party/WebKit/Source/wtf/text/WTFString.cpp
index 51a241c27f484954834c40f8146bd3ad6ed3a3c8..c0bee9b49b2bf64d320942231f1cf14aa14b1b09 100644
--- a/third_party/WebKit/Source/wtf/text/WTFString.cpp
+++ b/third_party/WebKit/Source/wtf/text/WTFString.cpp
@@ -629,7 +629,7 @@ CString String::utf8(UTF8ConversionMode mode) const {
         convertLatin1ToUTF8(&characters, characters + length, &buffer,
                             buffer + bufferVector.size());
     // (length * 3) should be sufficient for any conversion
-    ASSERT_UNUSED(result, result != targetExhausted);
+    DCHECK_NE(result, targetExhausted);
   } else {
     const UChar* characters = this->characters16();