Experimental viewport meta tag support for desktop, Blink-side.

Source/web/WebViewImpl.cpp

Index: Source/web/WebViewImpl.cpp
diff --git a/Source/web/WebViewImpl.cpp b/Source/web/WebViewImpl.cpp
index d15aa469cd43a4e08d67c344d7b8ce0997657ee2..73e0f0661983de41cf1d72c66bf053857f96fbdb 100644
--- a/Source/web/WebViewImpl.cpp
+++ b/Source/web/WebViewImpl.cpp
@@ -1696,7 +1696,9 @@ void WebViewImpl::resize(const WebSize& newSize)
 
     m_size = newSize;
 
-    bool shouldAnchorAndRescaleViewport = settings()->viewportEnabled() && oldSize.width && oldContentsWidth && newSize.width != oldSize.width;
+    bool shouldAnchorAndRescaleViewport = settings()->mainFrameResizesAreOrientationChanges()
+        && oldSize.width && oldContentsWidth && newSize.width != oldSize.width;
+
     ViewportAnchor viewportAnchor(&mainFrameImpl()->frame()->eventHandler());
     if (shouldAnchorAndRescaleViewport) {
         viewportAnchor.setAnchor(view->visibleContentRect(),