Move MediaQuery classes off BlinkGC heap

third_party/WebKit/Source/core/dom/StyleEngine.cpp

Index: third_party/WebKit/Source/core/dom/StyleEngine.cpp
diff --git a/third_party/WebKit/Source/core/dom/StyleEngine.cpp b/third_party/WebKit/Source/core/dom/StyleEngine.cpp
index 81a37da9eb1c03386ddb0cfd0e2f5c546f5220e4..1e858e67177c0fe10168c8155ba8f76d248d01d6 100644
--- a/third_party/WebKit/Source/core/dom/StyleEngine.cpp
+++ b/third_party/WebKit/Source/core/dom/StyleEngine.cpp
@@ -1136,7 +1136,7 @@ bool StyleEngine::MediaQueryAffectedByViewportChange() {
   const auto& results =
       global_rule_set_.GetRuleFeatureSet().ViewportDependentMediaQueryResults();
   for (unsigned i = 0; i < results.size(); ++i) {
-    if (evaluator.Eval(results[i]->Expression()) != results[i]->Result())
+    if (evaluator.Eval(results[i].Expression()) != results[i].Result())
       return true;
   }
   return false;
@@ -1147,7 +1147,7 @@ bool StyleEngine::MediaQueryAffectedByDeviceChange() {
   const auto& results =
       global_rule_set_.GetRuleFeatureSet().DeviceDependentMediaQueryResults();
   for (unsigned i = 0; i < results.size(); ++i) {
-    if (evaluator.Eval(results[i]->Expression()) != results[i]->Result())
+    if (evaluator.Eval(results[i].Expression()) != results[i].Result())
       return true;
   }
   return false;