MediaValuesInitialViewport passed to MediaQueryEvaluator as bool.

third_party/WebKit/Source/web/tests/WebFrameTest.cpp

Index: third_party/WebKit/Source/web/tests/WebFrameTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebFrameTest.cpp b/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
index da892f9cf4fb0e3017ee2170a17456c567be7e4f..3787fb643e0c5e3b8677c1250ee7f3d8058ade91 100644
--- a/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
@@ -2711,6 +2711,14 @@ TEST_P(ParameterizedWebFrameTest, AtViewportInsideAtMediaInitialViewport) {
                       ->frameView()
                       ->layoutSize()
                       .width());
+
+  webViewHelper.resize(WebSize(1200, 480));
+
+  EXPECT_EQ(1200, webViewHelper.webView()
+                      ->mainFrameImpl()
+                      ->frameView()
+                      ->layoutSize()
+                      .width());
 }
 
 TEST_P(ParameterizedWebFrameTest, AtViewportAffectingAtMediaRecalcCount) {