Removed FrameView's windowToContents and contentsToWindow methods.

Source/web/WebFrameWidgetImpl.cpp

Index: Source/web/WebFrameWidgetImpl.cpp
diff --git a/Source/web/WebFrameWidgetImpl.cpp b/Source/web/WebFrameWidgetImpl.cpp
index 9d524dd5aee20154200f6ed06270a4cb1e3f80a1..e663ae430a3ac26151b43cae0f9889193a79f744 100644
--- a/Source/web/WebFrameWidgetImpl.cpp
+++ b/Source/web/WebFrameWidgetImpl.cpp
@@ -559,8 +559,9 @@ bool WebFrameWidgetImpl::selectionBounds(WebRect& anchor, WebRect& focus) const
         focus = localFrame->editor().firstRectForRange(range.get());
     }
 
-    IntRect scaledAnchor(localFrame->view()->contentsToWindow(anchor));
-    IntRect scaledFocus(localFrame->view()->contentsToWindow(focus));
+    // FIXME: This doesn't apply page scale. This should probably be contents to viewport. crbug.com/459293.
+    IntRect scaledAnchor(localFrame->view()->contentsToRootFrame(anchor));
+    IntRect scaledFocus(localFrame->view()->contentsToRootFrame(focus));
 
     anchor = scaledAnchor;
     focus = scaledFocus;
@@ -678,7 +679,7 @@ void WebFrameWidgetImpl::handleMouseDown(LocalFrame& mainFrame, const WebMouseEv
     // capture because it will interfere with the scrollbar receiving events.
     IntPoint point(event.x, event.y);
     if (event.button == WebMouseEvent::ButtonLeft) {
-        point = m_localRoot->frameView()->windowToContents(point);
+        point = m_localRoot->frameView()->rootFrameToContents(point);
         HitTestResult result(m_localRoot->frame()->eventHandler().hitTestResultAtPoint(point));
         result.setToShadowHostIfInClosedShadowRoot();
         Node* hitNode = result.innerNonSharedNode();