Remove old pinch-zoom paths from Blink

Source/core/page/Page.cpp

Index: Source/core/page/Page.cpp
diff --git a/Source/core/page/Page.cpp b/Source/core/page/Page.cpp
index 4f96a1cefd32aec7816aa2429909d4f4b9e382aa..3a46e052b080a7737d6a211f05809d4ad38f4a69 100644
--- a/Source/core/page/Page.cpp
+++ b/Source/core/page/Page.cpp
@@ -327,16 +327,8 @@ void Page::setPageScaleFactor(float scale, const IntPoint& origin)
     if (scale != viewport.scale()) {
         viewport.setScale(scale);
 
-        if (view && !settings().pinchVirtualViewportEnabled())
-            view->setVisibleContentScaleFactor(scale);
-
         m_chrome->client().pageScaleFactorChanged();
 
-        // FIXME: In virtual-viewport pinch mode, scale doesn't change the fixed-pos viewport;
-        // remove once it's the only pinch mode in town.
-        if (view)
-            view->viewportConstrainedVisibleContentSizeChanged(true, true);
-
         deprecatedLocalMainFrame()->loader().saveScrollState();
     }