MediaValuesInitialViewport passed to MediaQueryEvaluator as bool.

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

Index: third_party/WebKit/Source/core/css/MediaQueryEvaluator.h
diff --git a/third_party/WebKit/Source/core/css/MediaQueryEvaluator.h b/third_party/WebKit/Source/core/css/MediaQueryEvaluator.h
index 695117ec8c60b8f9b79f96c08912ced6807f3d3c..dd8236997b5c591b4c2378951fcf43233e8ffd93 100644
--- a/third_party/WebKit/Source/core/css/MediaQueryEvaluator.h
+++ b/third_party/WebKit/Source/core/css/MediaQueryEvaluator.h
@@ -39,6 +39,7 @@ class MediaQueryExp;
 class MediaQueryResult;
 class MediaQuerySet;
 class MediaValues;
+class MediaValuesInitialViewport;
 
 using MediaQueryResultList = HeapVector<Member<MediaQueryResult>>;
 
@@ -80,19 +81,21 @@ class CORE_EXPORT MediaQueryEvaluator final
   // values.
   explicit MediaQueryEvaluator(const MediaValues&);
 
+  explicit MediaQueryEvaluator(MediaValuesInitialViewport*);
+
   ~MediaQueryEvaluator();
 
   bool mediaTypeMatch(const String& mediaTypeToMatch) const;
 
   // Evaluates a list of media queries.
   bool eval(const MediaQuerySet*,
-            MediaQueryResultList* viewportDependent = 0,
-            MediaQueryResultList* deviceDependent = 0) const;
+            MediaQueryResultList* viewportDependent = nullptr,
+            MediaQueryResultList* deviceDependent = nullptr) const;
 
   // Evaluates media query.
   bool eval(const MediaQuery*,
-            MediaQueryResultList* viewportDependent = 0,
-            MediaQueryResultList* deviceDependent = 0) const;
+            MediaQueryResultList* viewportDependent = nullptr,
+            MediaQueryResultList* deviceDependent = nullptr) const;
 
   // Evaluates media query subexpression, ie "and (media-feature: value)" part.
   bool eval(const MediaQueryExp*) const;
@@ -103,7 +106,7 @@ class CORE_EXPORT MediaQueryEvaluator final
   const String mediaType() const;
 
   String m_mediaType;
-  bool m_expectedResult;
+  bool m_expectedResult = false;
   Member<MediaValues> m_mediaValues;
 };