Change assert to release assert for WTF::double_conversion::Vector to prevent OOB memory access.

third_party/WebKit/Source/wtf/dtoa/utils.h

Index: third_party/WebKit/Source/wtf/dtoa/utils.h
diff --git a/third_party/WebKit/Source/wtf/dtoa/utils.h b/third_party/WebKit/Source/wtf/dtoa/utils.h
index 0a61c0155f74a499171e44c9fc35008e4f5b7b4b..dcc433f1ba3fd64130546a554a4d0ff283542244 100644
--- a/third_party/WebKit/Source/wtf/dtoa/utils.h
+++ b/third_party/WebKit/Source/wtf/dtoa/utils.h
@@ -163,9 +163,9 @@ namespace double_conversion {
         // Returns the pointer to the start of the data in the vector.
         T* start() const { return start_; }
 
-        // Access individual vector elements - checks bounds in debug mode.
+        // Access individual vector elements.
         T& operator[](int index) const {
-            ASSERT(0 <= index && index < length_);
+            RELEASE_ASSERT(0 <= index && index < length_);
             return start_[index];
         }