Revert of Replace all occurrences of RELEASE_ASSERT in wtf with CHECK.

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

Index: third_party/WebKit/Source/wtf/text/CString.cpp
diff --git a/third_party/WebKit/Source/wtf/text/CString.cpp b/third_party/WebKit/Source/wtf/text/CString.cpp
index 110cee50ef508e4420b97f1c33d23319d99832c7..9d850267c6873cc9cffeeaf325197ace5522f736 100644
--- a/third_party/WebKit/Source/wtf/text/CString.cpp
+++ b/third_party/WebKit/Source/wtf/text/CString.cpp
@@ -36,7 +36,7 @@ namespace WTF {
 
 PassRefPtr<CStringBuffer> CStringBuffer::createUninitialized(size_t length)
 {
-    CHECK_LT(length, numeric_limits<unsigned>::max() - sizeof(CStringBuffer));
+    RELEASE_ASSERT(length < (numeric_limits<unsigned>::max() - sizeof(CStringBuffer)));
 
     // The +1 is for the terminating NUL character.
     size_t size = sizeof(CStringBuffer) + length + 1;