Revert "Verify that constant vectors aren't invalidated during iteration."

third_party/WebKit/Source/core/css/MediaQueryEvaluator.cpp

 /*
  * CSS Media Query Evaluator
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 134 matching lines @@
 bool MediaQueryEvaluator::Eval(
     const MediaQuerySet& query_set,
     MediaQueryResultList* viewport_dependent_media_query_results,
     MediaQueryResultList* device_dependent_media_query_results) const {
   const Vector<std::unique_ptr<MediaQuery>>& queries = query_set.QueryVector();
   if (!queries.size())
     return true;  // Empty query list evaluates to true.
 
   // Iterate over queries, stop if any of them eval to true (OR semantics).
   bool result = false;
-  for (size_t i = 0; i < queries.size() && !result; ++i) {
-    // TODO(sof): CHECK() added for crbug.com/699269 diagnosis, remove sooner.
-    CHECK_EQ(queries.data(), query_set.QueryVector().data());
+  for (size_t i = 0; i < queries.size() && !result; ++i)
     result = Eval(*queries[i], viewport_dependent_media_query_results,
                   device_dependent_media_query_results);
-  }
 
   return result;
 }
 
 template <typename T>
 bool CompareValue(T a, T b, MediaFeaturePrefix op) {
   switch (op) {
     case kMinPrefix:
       return a >= b;
     case kMaxPrefix:
@@ skipping 646 matching lines @@
   // Call the media feature evaluation function. Assume no prefix and let
   // trampoline functions override the prefix if prefix is used.
   EvalFunc func = g_function_map->at(expr.MediaFeature().Impl());
   if (func)
     return func(expr.ExpValue(), kNoPrefix, *media_values_);
 
   return false;
 }
 
 }  // namespace blink