Removed FrameView's windowToContents and contentsToWindow methods.

Source/core/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 496 matching lines @@
     Node* innerNode = event.innerNode();
     if (!(innerNode && innerNode->renderer() && m_mouseDownMayStartSelect))
         return false;
 
     // Extend the selection if the Shift key is down, unless the click is in a link.
     bool extendSelection = event.event().shiftKey() && !event.isOverLink();
 
     // Don't restart the selection when the mouse is pressed on an
     // existing selection so we can allow for text dragging.
     if (FrameView* view = m_frame->view()) {
-        LayoutPoint vPoint = view->windowToContents(event.event().position());
+        LayoutPoint vPoint = view->rootFrameToContents(event.event().position());
         if (!extendSelection && m_frame->selection().contains(vPoint)) {
             m_mouseDownWasSingleClickInSelection = true;
             return false;
         }
     }
 
     VisiblePosition visiblePos(innerNode->renderer()->positionForPoint(event.localPoint()));
     if (visiblePos.isNull())
         visiblePos = VisiblePosition(firstPositionInOrBeforeNode(innerNode), DOWNSTREAM);
     Position pos = visiblePos.deepEquivalent();
@@ skipping 74 matching lines @@
 
     m_mouseDownMayStartDrag = singleClick;
 
     m_mouseDownWasSingleClickInSelection = false;
 
     m_mouseDown = event.event();
 
     if (m_frame->document()->isSVGDocument() && m_frame->document()->accessSVGExtensions().zoomAndPanEnabled()) {
         if (event.event().shiftKey() && singleClick) {
             m_svgPan = true;
-            m_frame->document()->accessSVGExtensions().startPan(m_frame->view()->windowToContents(event.event().position()));
+            m_frame->document()->accessSVGExtensions().startPan(m_frame->view()->rootFrameToContents(event.event().position()));
             return true;
         }
     }
 
     // We don't do this at the start of mouse down handling,
     // because we don't want to do it until we know we didn't hit a widget.
     if (singleClick)
         focusDocumentView();
 
     Node* innerNode = event.innerNode();
@@ skipping 83 matching lines @@
 void EventHandler::updateSelectionForMouseDrag()
 {
     FrameView* view = m_frame->view();
     if (!view)
         return;
     LayoutView* renderer = m_frame->contentRenderer();
     if (!renderer)
         return;
 
     HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::Move);
-    HitTestResult result(view->windowToContents(m_lastKnownMousePosition));
+    HitTestResult result(view->rootFrameToContents(m_lastKnownMousePosition));
     renderer->hitTest(request, result);
     updateSelectionForMouseDrag(result);
 }
 
 void EventHandler::updateSelectionForMouseDrag(const HitTestResult& hitTestResult)
 {
     if (!m_mouseDownMayStartSelect)
         return;
 
     Node* target = hitTestResult.innerNode();
@@ skipping 293 matching lines @@
     if (!view || !view->shouldSetCursor())
         return;
 
     LayoutView* layoutView = view->layoutView();
     if (!layoutView)
         return;
 
     m_frame->document()->updateLayout();
 
     HitTestRequest request(HitTestRequest::ReadOnly);
-    HitTestResult result(view->windowToContents(m_lastKnownMousePosition));
+    HitTestResult result(view->rootFrameToContents(m_lastKnownMousePosition));
     layoutView->hitTest(request, result);
 
     OptionalCursor optionalCursor = selectCursor(result);
     if (optionalCursor.isCursorChange()) {
         m_currentMouseCursor = optionalCursor.cursor();
         view->setCursor(m_currentMouseCursor);
     }
 }
 
 OptionalCursor EventHandler::selectCursor(const HitTestResult& result)
@@ skipping 160 matching lines @@
         && m_frame->selection().isCaretOrRange()
         && !m_capturingMouseEventsNode) {
         return iBeam;
     }
 
     if ((editable || (renderer && renderer->isText() && node->canStartSelection())) && !inResizer && !result.scrollbar())
         return iBeam;
     return pointerCursor();
 }
 
-static LayoutPoint documentPointForWindowPoint(LocalFrame* frame, const IntPoint& windowPoint)
+static LayoutPoint contentPointFromRootFrame(LocalFrame* frame, const IntPoint& pointInRootFrame)
 {
     FrameView* view = frame->view();
     // FIXME: Is it really OK to use the wrong coordinates here when view is 0?
     // Historically the code would just crash; this is clearly no worse than that.
-    return view ? view->windowToContents(windowPoint) : windowPoint;
+    return view ? view->rootFrameToContents(pointInRootFrame) : pointInRootFrame;
 }
 
 bool EventHandler::handleMousePressEvent(const PlatformMouseEvent& mouseEvent)
 {
     TRACE_EVENT0("blink", "EventHandler::handleMousePressEvent");
 
     RefPtrWillBeRawPtr<FrameView> protector(m_frame->view());
 
     UserGestureIndicator gestureIndicator(DefinitelyProcessingUserGesture);
     m_frame->localFrameRoot()->eventHandler().m_lastMouseDownUserGestureToken = gestureIndicator.currentToken();
 
     cancelFakeMouseMoveEvent();
     if (m_eventHandlerWillResetCapturingMouseEventsNode)
         m_capturingMouseEventsNode = nullptr;
     m_mousePressed = true;
     m_capturesDragging = true;
     setLastKnownMousePosition(mouseEvent);
     m_mouseDownTimestamp = mouseEvent.timestamp();
     m_mouseDownMayStartDrag = false;
     m_mouseDownMayStartSelect = false;
     m_mouseDownMayStartAutoscroll = false;
     if (FrameView* view = m_frame->view())
-        m_mouseDownPos = view->windowToContents(mouseEvent.position());
+        m_mouseDownPos = view->rootFrameToContents(mouseEvent.position());
     else {
         invalidateClick();
         return false;
     }
 
     HitTestRequest request(HitTestRequest::Active);
     // Save the document point we generate in case the window coordinate is invalidated by what happens
     // when we dispatch the event.
-    LayoutPoint documentPoint = documentPointForWindowPoint(m_frame, mouseEvent.position());
+    LayoutPoint documentPoint = contentPointFromRootFrame(m_frame, mouseEvent.position());
     MouseEventWithHitTestResults mev = m_frame->document()->prepareMouseEvent(request, documentPoint, mouseEvent);
 
     if (!mev.innerNode()) {
         invalidateClick();
         return false;
     }
 
     m_mousePressNode = mev.innerNode();
 
     RefPtrWillBeRawPtr<LocalFrame> subframe = subframeForHitTestResult(mev);
@@ skipping 20 matching lines @@
         invalidateClick();
         return true;
     }
 #endif
 
     m_clickCount = mouseEvent.clickCount();
     m_clickNode = mev.innerNode()->isTextNode() ?  NodeRenderingTraversal::parent(*mev.innerNode()) : mev.innerNode();
 
     if (FrameView* view = m_frame->view()) {
         Layer* layer = mev.innerNode()->renderer() ? mev.innerNode()->renderer()->enclosingLayer() : nullptr;
-        IntPoint p = view->windowToContents(mouseEvent.position());
+        IntPoint p = view->rootFrameToContents(mouseEvent.position());
         if (layer && layer->scrollableArea() && layer->scrollableArea()->isPointInResizeControl(p, ResizerForPointer)) {
             m_resizeScrollableArea = layer->scrollableArea();
             m_resizeScrollableArea->setInResizeMode(true);
             m_offsetFromResizeCorner = LayoutSize(m_resizeScrollableArea->offsetFromResizeCorner(p));
             invalidateClick();
             return true;
         }
     }
 
     m_frame->selection().setCaretBlinkingSuspended(true);
@@ skipping 102 matching lines @@
     setLastKnownMousePosition(mouseEvent);
 
     if (m_hoverTimer.isActive())
         m_hoverTimer.stop();
 
     m_cursorUpdateTimer.stop();
 
     cancelFakeMouseMoveEvent();
 
     if (m_svgPan) {
-        m_frame->document()->accessSVGExtensions().updatePan(m_frame->view()->windowToContents(m_lastKnownMousePosition));
+        m_frame->document()->accessSVGExtensions().updatePan(m_frame->view()->rootFrameToContents(m_lastKnownMousePosition));
         return true;
     }
 
     if (m_frameSetBeingResized)
         return !dispatchMouseEvent(EventTypeNames::mousemove, m_frameSetBeingResized.get(), 0, mouseEvent, false);
 
     // Send events right to a scrollbar if the mouse is pressed.
     if (m_lastScrollbarUnderMouse && m_mousePressed) {
         m_lastScrollbarUnderMouse->mouseMoved(mouseEvent);
         return true;
@@ skipping 115 matching lines @@
 #if OS(WIN)
     if (Page* page = m_frame->page())
         page->autoscrollController().handleMouseReleaseForPanScrolling(m_frame, mouseEvent);
 #endif
 
     m_mousePressed = false;
     setLastKnownMousePosition(mouseEvent);
 
     if (m_svgPan) {
         m_svgPan = false;
-        m_frame->document()->accessSVGExtensions().updatePan(m_frame->view()->windowToContents(m_lastKnownMousePosition));
+        m_frame->document()->accessSVGExtensions().updatePan(m_frame->view()->rootFrameToContents(m_lastKnownMousePosition));
         return true;
     }
 
     if (m_frameSetBeingResized)
         return !dispatchMouseEvent(EventTypeNames::mouseup, m_frameSetBeingResized.get(), m_clickCount, mouseEvent, false);
 
     if (m_lastScrollbarUnderMouse) {
         invalidateClick();
         m_lastScrollbarUnderMouse->mouseUp(mouseEvent);
         bool setUnder = false;
@@ skipping 265 matching lines @@
 {
     m_capturingMouseEventsNode = n;
     m_eventHandlerWillResetCapturingMouseEventsNode = false;
 }
 
 MouseEventWithHitTestResults EventHandler::prepareMouseEvent(const HitTestRequest& request, const PlatformMouseEvent& mev)
 {
     ASSERT(m_frame);
     ASSERT(m_frame->document());
 
-    return m_frame->document()->prepareMouseEvent(request, documentPointForWindowPoint(m_frame, mev.position()), mev);
+    return m_frame->document()->prepareMouseEvent(request, contentPointFromRootFrame(m_frame, mev.position()), mev);
 }
 
 void EventHandler::updateMouseEventTargetNode(Node* targetNode, const PlatformMouseEvent& mouseEvent, bool fireMouseOverOut)
 {
     Node* result = targetNode;
 
     // If we're capturing, we always go right to that node.
     if (m_capturingMouseEventsNode)
         result = m_capturingMouseEventsNode.get();
     else {
@@ skipping 130 matching lines @@
 
     if (!doc->layoutView())
         return false;
 
     RefPtrWillBeRawPtr<FrameView> protector(m_frame->view());
 
     FrameView* view = m_frame->view();
     if (!view)
         return false;
 
-    LayoutPoint vPoint = view->windowToContents(event.position());
+    LayoutPoint vPoint = view->rootFrameToContents(event.position());
 
     HitTestRequest request(HitTestRequest::ReadOnly);
     HitTestResult result(vPoint);
     doc->layoutView()->hitTest(request, result);
 
     Node* node = result.innerNode();
     // Wheel events should not dispatch to text nodes.
     if (node && node->isTextNode())
         node = NodeRenderingTraversal::parent(*node);
 
@@ skipping 183 matching lines @@
         scrollbar = m_scrollbarHandlingScrollGesture.get();
         eventTarget = m_scrollGestureHandlingNode.get();
     }
 
     if (!eventTarget) {
         Document* document = m_frame->document();
         if (!document->layoutView())
             return false;
 
         FrameView* view = m_frame->view();
-        LayoutPoint viewPoint = view->windowToContents(gestureEvent.position());
+        LayoutPoint viewPoint = view->rootFrameToContents(gestureEvent.position());
         HitTestRequest request(HitTestRequest::ReadOnly);
         HitTestResult result(viewPoint);
         document->layoutView()->hitTest(request, result);
 
         eventTarget = result.innerNode();
 
         m_lastGestureScrollOverWidget = result.isOverWidget();
         m_scrollGestureHandlingNode = eventTarget;
         m_previousGestureScrolledNode = nullptr;
 
@@ skipping 45 matching lines @@
     HitTestRequest::HitTestRequestType hitType = getHitTypeForGestureType(gestureEvent.type());
     uint64_t preDispatchDomTreeVersion = m_frame->document()->domTreeVersion();
     uint64_t preDispatchStyleVersion = m_frame->document()->styleVersion();
 
     UserGestureIndicator gestureIndicator(DefinitelyProcessingUserGesture);
 
     HitTestResult currentHitTest = targetedEvent.hitTestResult();
 
     // We use the adjusted position so the application isn't surprised to see a event with
     // co-ordinates outside the target's bounds.
-    IntPoint adjustedPoint = frameView->windowToContents(gestureEvent.position());
+    IntPoint adjustedPoint = frameView->rootFrameToContents(gestureEvent.position());
 
     unsigned modifiers = gestureEvent.modifiers();
     PlatformMouseEvent fakeMouseMove(gestureEvent.position(), gestureEvent.globalPosition(),
         NoButton, PlatformEvent::MouseMoved, /* clickCount */ 0,
         static_cast<PlatformEvent::Modifiers>(modifiers),
         PlatformMouseEvent::FromTouch, gestureEvent.timestamp());
     dispatchMouseEvent(EventTypeNames::mousemove, currentHitTest.innerNode(), 0, fakeMouseMove, true);
 
     // Do a new hit-test in case the mousemove event changed the DOM.
     // Note that if the original hit test wasn't over an element (eg. was over a scrollbar) we
     // don't want to re-hit-test because it may be in the wrong frame (and there's no way the page
     // could have seen the event anyway).
     // Also note that the position of the frame may have changed, so we need to recompute the content
     // co-ordinates (updating layout/style as hitTestResultAtPoint normally would).
     // FIXME: Use a hit-test cache to avoid unnecessary hit tests. http://crbug.com/398920
     if (currentHitTest.innerNode()) {
         LocalFrame* mainFrame = m_frame->localFrameRoot();
         if (mainFrame && mainFrame->view())
             mainFrame->view()->updateLayoutAndStyleIfNeededRecursive();
-        adjustedPoint = frameView->windowToContents(gestureEvent.position());
+        adjustedPoint = frameView->rootFrameToContents(gestureEvent.position());
         currentHitTest = hitTestResultInFrame(m_frame, adjustedPoint, hitType);
     }
     m_clickNode = currentHitTest.innerNode();
 
     // Capture data for showUnhandledTapUIIfNeeded.
     RefPtrWillBeRawPtr<Node> tappedNode = m_clickNode;
     IntPoint tappedPosition = gestureEvent.position();
 
     if (m_clickNode && m_clickNode->isTextNode())
         m_clickNode = NodeRenderingTraversal::parent(*m_clickNode);
 
     PlatformMouseEvent fakeMouseDown(gestureEvent.position(), gestureEvent.globalPosition(),
         LeftButton, PlatformEvent::MousePressed, gestureEvent.tapCount(),
         static_cast<PlatformEvent::Modifiers>(modifiers | PlatformEvent::LeftButtonDown),
         PlatformMouseEvent::FromTouch,  gestureEvent.timestamp());
     bool swallowMouseDownEvent = !dispatchMouseEvent(EventTypeNames::mousedown, currentHitTest.innerNode(), gestureEvent.tapCount(), fakeMouseDown, true);
     if (!swallowMouseDownEvent)
         swallowMouseDownEvent = handleMouseFocus(MouseEventWithHitTestResults(fakeMouseDown, currentHitTest));
     if (!swallowMouseDownEvent)
         swallowMouseDownEvent = handleMousePressEvent(MouseEventWithHitTestResults(fakeMouseDown, currentHitTest));
 
     // FIXME: Use a hit-test cache to avoid unnecessary hit tests. http://crbug.com/398920
     if (currentHitTest.innerNode()) {
         LocalFrame* mainFrame = m_frame->localFrameRoot();
         if (mainFrame && mainFrame->view())
             mainFrame->view()->updateLayoutAndStyleIfNeededRecursive();
-        adjustedPoint = frameView->windowToContents(gestureEvent.position());
+        adjustedPoint = frameView->rootFrameToContents(gestureEvent.position());
         currentHitTest = hitTestResultInFrame(m_frame, adjustedPoint, hitType);
     }
     PlatformMouseEvent fakeMouseUp(gestureEvent.position(), gestureEvent.globalPosition(),
         LeftButton, PlatformEvent::MouseReleased, gestureEvent.tapCount(),
         static_cast<PlatformEvent::Modifiers>(modifiers),
         PlatformMouseEvent::FromTouch,  gestureEvent.timestamp());
     bool swallowMouseUpEvent = !dispatchMouseEvent(EventTypeNames::mouseup, currentHitTest.innerNode(), gestureEvent.tapCount(), fakeMouseUp, false);
 
     bool swallowClickEvent = false;
     if (m_clickNode) {
@@ skipping 10 matching lines @@
         m_clickNode = nullptr;
     }
 
     if (!swallowMouseUpEvent)
         swallowMouseUpEvent = handleMouseReleaseEvent(MouseEventWithHitTestResults(fakeMouseUp, currentHitTest));
 
     bool swallowed = swallowMouseDownEvent | swallowMouseUpEvent | swallowClickEvent;
     if (!swallowed && tappedNode) {
         bool domTreeChanged = preDispatchDomTreeVersion != m_frame->document()->domTreeVersion();
         bool styleChanged = preDispatchStyleVersion != m_frame->document()->styleVersion();
-        m_frame->chromeClient().showUnhandledTapUIIfNeeded(tappedPosition, tappedNode.get(), domTreeChanged || styleChanged);
+        IntPoint tappedPositionInViewport = m_frame->page()->frameHost().pinchViewport().rootFrameToViewport(tappedPosition);
+        m_frame->chromeClient().showUnhandledTapUIIfNeeded(tappedPositionInViewport, tappedNode.get(), domTreeChanged || styleChanged);
     }
     return swallowed;
 }
 
 bool EventHandler::handleGestureLongPress(const GestureEventWithHitTestResults& targetedEvent)
 {
     const PlatformGestureEvent& gestureEvent = targetedEvent.event();
     IntPoint adjustedPoint = gestureEvent.position();
 
     unsigned modifiers = gestureEvent.modifiers();
 
     // FIXME: Ideally we should try to remove the extra mouse-specific hit-tests here (re-using the
     // supplied HitTestResult), but that will require some overhaul of the touch drag-and-drop code
     // and LongPress is such a special scenario that it's unlikely to matter much in practice.
 
     m_longTapShouldInvokeContextMenu = false;
     if (m_frame->settings() && m_frame->settings()->touchDragDropEnabled() && m_frame->view()) {
         PlatformMouseEvent mouseDownEvent(adjustedPoint, gestureEvent.globalPosition(), LeftButton, PlatformEvent::MousePressed, 1,
             static_cast<PlatformEvent::Modifiers>(modifiers | PlatformEvent::LeftButtonDown),
             PlatformMouseEvent::FromTouch, WTF::currentTime());
         m_mouseDown = mouseDownEvent;
 
         PlatformMouseEvent mouseDragEvent(adjustedPoint, gestureEvent.globalPosition(), LeftButton, PlatformEvent::MouseMoved, 1,
             static_cast<PlatformEvent::Modifiers>(modifiers | PlatformEvent::LeftButtonDown),
             PlatformMouseEvent::FromTouch, WTF::currentTime());
         HitTestRequest request(HitTestRequest::ReadOnly);
         MouseEventWithHitTestResults mev = prepareMouseEvent(request, mouseDragEvent);
         m_mouseDownMayStartDrag = true;
         dragState().m_dragSrc = nullptr;
-        m_mouseDownPos = m_frame->view()->windowToContents(mouseDragEvent.position());
+        m_mouseDownPos = m_frame->view()->rootFrameToContents(mouseDragEvent.position());
         RefPtrWillBeRawPtr<FrameView> protector(m_frame->view());
         if (handleDrag(mev, DragInitiator::Touch)) {
             m_longTapShouldInvokeContextMenu = true;
             return true;
         }
     }
 #if OS(ANDROID)
     bool shouldLongPressSelectWord = true;
 #else
     bool shouldLongPressSelectWord = m_frame->settings() && m_frame->settings()->touchEditingEnabled();
 #endif
     if (shouldLongPressSelectWord) {
-        IntPoint hitTestPoint = m_frame->view()->windowToContents(gestureEvent.position());
+        IntPoint hitTestPoint = m_frame->view()->rootFrameToContents(gestureEvent.position());
         HitTestResult result = hitTestResultAtPoint(hitTestPoint);
         Node* innerNode = result.innerNode();
         if (!result.isLiveLink() && innerNode && (innerNode->isContentEditable() || innerNode->isTextNode()
 #if OS(ANDROID)
             || innerNode->canStartSelection()
 #endif
             )) {
             selectClosestWordFromHitTestResult(result, DontAppendTrailingWhitespace);
             if (m_frame->selection().isRange()) {
                 focusDocumentView();
@@ skipping 11 matching lines @@
         m_longTapShouldInvokeContextMenu = false;
         return sendContextMenuEventForGesture(targetedEvent);
     }
 #endif
     return false;
 }
 
 bool EventHandler::handleScrollGestureOnResizer(Node* eventTarget, const PlatformGestureEvent& gestureEvent) {
     if (gestureEvent.type() == PlatformEvent::GestureScrollBegin) {
         Layer* layer = eventTarget->renderer() ? eventTarget->renderer()->enclosingLayer() : nullptr;
-        IntPoint p = m_frame->view()->windowToContents(gestureEvent.position());
+        IntPoint p = m_frame->view()->rootFrameToContents(gestureEvent.position());
         if (layer && layer->scrollableArea() && layer->scrollableArea()->isPointInResizeControl(p, ResizerForTouch)) {
             m_resizeScrollableArea = layer->scrollableArea();
             m_resizeScrollableArea->setInResizeMode(true);
             m_offsetFromResizeCorner = LayoutSize(m_resizeScrollableArea->offsetFromResizeCorner(p));
             return true;
         }
     } else if (gestureEvent.type() == PlatformEvent::GestureScrollUpdate) {
         if (m_resizeScrollableArea && m_resizeScrollableArea->inResizeMode()) {
             m_resizeScrollableArea->resize(gestureEvent, m_offsetFromResizeCorner);
             return true;
@@ skipping 174 matching lines @@
     ASSERT(result.isRectBasedTest());
 
     // If the touch is over a scrollbar, don't adjust the touch point since touch adjustment only takes into account
     // DOM nodes so a touch over a scrollbar will be adjusted towards nearby nodes. This leads to things like textarea
     // scrollbars being untouchable.
     if (result.scrollbar()) {
         targetNode = 0;
         return false;
     }
 
-    IntPoint touchCenter = m_frame->view()->contentsToWindow(result.roundedPointInMainFrame());
-    IntRect touchRect = m_frame->view()->contentsToWindow(result.hitTestLocation().boundingBox());
+    IntPoint touchCenter = m_frame->view()->contentsToRootFrame(result.roundedPointInMainFrame());
+    IntRect touchRect = m_frame->view()->contentsToRootFrame(result.hitTestLocation().boundingBox());
 
     WillBeHeapVector<RefPtrWillBeMember<Node>, 11> nodes;
     copyToVector(result.listBasedTestResult(), nodes);
 
     // FIXME: the explicit Vector conversion copies into a temporary and is wasteful.
     return findBestClickableCandidate(targetNode, targetPoint, touchCenter, touchRect, WillBeHeapVector<RefPtrWillBeMember<Node>> (nodes));
 }
 
 bool EventHandler::bestContextMenuNodeForHitTestResult(const HitTestResult& result, IntPoint& targetPoint, Node*& targetNode)
 {
     ASSERT(result.isRectBasedTest());
-    IntPoint touchCenter = m_frame->view()->contentsToWindow(result.roundedPointInMainFrame());
-    IntRect touchRect = m_frame->view()->contentsToWindow(result.hitTestLocation().boundingBox());
+    IntPoint touchCenter = m_frame->view()->contentsToRootFrame(result.roundedPointInMainFrame());
+    IntRect touchRect = m_frame->view()->contentsToRootFrame(result.hitTestLocation().boundingBox());
     WillBeHeapVector<RefPtrWillBeMember<Node>, 11> nodes;
     copyToVector(result.listBasedTestResult(), nodes);
 
     // FIXME: the explicit Vector conversion copies into a temporary and is wasteful.
     return findBestContextMenuCandidate(targetNode, targetPoint, touchCenter, touchRect, WillBeHeapVector<RefPtrWillBeMember<Node>>(nodes));
 }
 
 bool EventHandler::bestZoomableAreaForTouchPoint(const IntPoint& touchCenter, const IntSize& touchRadius, IntRect& targetArea, Node*& targetNode)
 {
     if (touchRadius.isEmpty())
         return false;
 
-    IntPoint hitTestPoint = m_frame->view()->windowToContents(touchCenter);
+    IntPoint hitTestPoint = m_frame->view()->rootFrameToContents(touchCenter);
 
     HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::ListBased;
     HitTestResult result = hitTestResultAtPoint(hitTestPoint, hitType, LayoutSize(touchRadius));
 
     IntRect touchRect(touchCenter - touchRadius, touchRadius + touchRadius);
     WillBeHeapVector<RefPtrWillBeMember<Node>, 11> nodes;
     copyToVector(result.listBasedTestResult(), nodes);
 
     // FIXME: the explicit Vector conversion copies into a temporary and is wasteful.
     return findBestZoomableArea(targetNode, targetArea, touchCenter, touchRect, WillBeHeapVector<RefPtrWillBeMember<Node>>(nodes));
@@ skipping 36 matching lines @@
     }
 
     return eventWithHitTestResults;
 }
 
 GestureEventWithHitTestResults EventHandler::hitTestResultForGestureEvent(const PlatformGestureEvent& gestureEvent, HitTestRequest::HitTestRequestType hitType)
 {
     // Perform the rect-based hit-test (or point-based if adjustment is disabled). Note that
     // we don't yet apply hover/active state here because we need to resolve touch adjustment
     // first so that we apply hover/active it to the final adjusted node.
-    IntPoint hitTestPoint = m_frame->view()->windowToContents(gestureEvent.position());
+    IntPoint hitTestPoint = m_frame->view()->rootFrameToContents(gestureEvent.position());
     LayoutSize padding;
     if (shouldApplyTouchAdjustment(gestureEvent)) {
         padding = LayoutSize(gestureEvent.area());
         if (!padding.isEmpty()) {
             padding.scale(1.f / 2);
             hitType |= HitTestRequest::ListBased;
         }
     }
     HitTestResult hitTestResult = hitTestResultAtPoint(hitTestPoint, hitType | HitTestRequest::ReadOnly, padding);
 
     // Adjust the location of the gesture to the most likely nearby node, as appropriate for the
     // type of event.
     PlatformGestureEvent adjustedEvent = gestureEvent;
     applyTouchAdjustment(&adjustedEvent, &hitTestResult);
 
     // Do a new hit-test at the (adjusted) gesture co-ordinates. This is necessary because
     // rect-based hit testing and touch adjustment sometimes return a different node than
     // what a point-based hit test would return for the same point.
     // FIXME: Fix touch adjustment to avoid the need for a redundant hit test. http://crbug.com/398914
     if (shouldApplyTouchAdjustment(gestureEvent)) {
         LocalFrame* hitFrame = hitTestResult.innerNodeFrame();
         if (!hitFrame)
             hitFrame = m_frame;
-        hitTestResult = hitTestResultInFrame(hitFrame, hitFrame->view()->windowToContents(adjustedEvent.position()), (hitType | HitTestRequest::ReadOnly) & ~HitTestRequest::ListBased);
+        hitTestResult = hitTestResultInFrame(hitFrame, hitFrame->view()->rootFrameToContents(adjustedEvent.position()), (hitType | HitTestRequest::ReadOnly) & ~HitTestRequest::ListBased);
     }
 
     // If we did a rect-based hit test it must be resolved to the best single node by now to
     // ensure consumers don't accidentally use one of the other candidates.
     ASSERT(!hitTestResult.isRectBasedTest());
 
     return GestureEventWithHitTestResults(adjustedEvent, hitTestResult);
 }
 
 HitTestRequest::HitTestRequestType EventHandler::getHitTypeForGestureType(PlatformEvent::Type type)
@@ skipping 44 matching lines @@
     case PlatformEvent::GestureTwoFingerTap:
         adjusted = bestContextMenuNodeForHitTestResult(*hitTestResult, adjustedPoint, adjustedNode);
         break;
     default:
         ASSERT_NOT_REACHED();
     }
 
     // Update the hit-test result to be a point-based result instead of a rect-based result.
     // FIXME: We should do this even when no candidate matches the node filter. crbug.com/398914
     if (adjusted) {
-        hitTestResult->resolveRectBasedTest(adjustedNode, m_frame->view()->windowToContents(adjustedPoint));
+        hitTestResult->resolveRectBasedTest(adjustedNode, m_frame->view()->rootFrameToContents(adjustedPoint));
         gestureEvent->applyTouchAdjustment(adjustedPoint);
     }
 }
 
 bool EventHandler::sendContextMenuEvent(const PlatformMouseEvent& event)
 {
     Document* doc = m_frame->document();
     FrameView* v = m_frame->view();
     if (!v)
         return false;
 
     // Clear mouse press state to avoid initiating a drag while context menu is up.
     m_mousePressed = false;
-    LayoutPoint viewportPos = v->windowToContents(event.position());
+    LayoutPoint viewportPos = v->rootFrameToContents(event.position());
     HitTestRequest request(HitTestRequest::Active);
     MouseEventWithHitTestResults mev = doc->prepareMouseEvent(request, viewportPos, event);
 
     if (!m_frame->selection().contains(viewportPos)
         && !mev.scrollbar()
         // FIXME: In the editable case, word selection sometimes selects content that isn't underneath the mouse.
         // If the selection is non-editable, we do word selection to make it easier to use the contextual menu items
         // available for text selections.  But only if we're above text.
         && (m_frame->selection().isContentEditable() || (mev.innerNode() && mev.innerNode()->isTextNode()))) {
         m_mouseDownMayStartSelect = true; // context menu events are always allowed to perform a selection
@@ skipping 32 matching lines @@
     FrameSelection& selection = m_frame->selection();
     Position start = selection.selection().start();
 
     if (start.deprecatedNode() && (selection.rootEditableElement() || selection.isRange())) {
         RefPtrWillBeRawPtr<Range> selectionRange = selection.toNormalizedRange();
         IntRect firstRect = m_frame->editor().firstRectForRange(selectionRange.get());
 
         int x = rightAligned ? firstRect.maxX() : firstRect.x();
         // In a multiline edit, firstRect.maxY() would endup on the next line, so -1.
         int y = firstRect.maxY() ? firstRect.maxY() - 1 : 0;
-        locationInViewport = view->contentsToWindow(IntPoint(x, y));
+        locationInViewport = view->contentsToViewport(IntPoint(x, y));
     } else if (focusedElement) {
         IntRect clippedRect = focusedElement->boundsInViewportSpace();
         locationInViewport = IntPoint(clippedRect.center());
     } else {
-        // FIXME - Almost certainly wrong, this is not in viewport space. crbug.com/458682.
+        // FIXME - Almost certainly wrong, this is not in viewport space. crbug.com/458602.
         locationInViewport = IntPoint(
             rightAligned ? view->contentsWidth() - kContextMenuMargin : kContextMenuMargin,
             kContextMenuMargin);
     }
 
     m_frame->view()->setCursor(pointerCursor());
     IntPoint globalPosition = view->hostWindow()->viewportToScreen(IntRect(locationInViewport, IntSize())).location();
 
     Node* targetNode = doc->focusedElement();
     if (!targetNode)
@@ skipping 75 matching lines @@
             m_fakeMouseMoveEventTimer.startOneShot(fakeMouseMoveShortInterval, FROM_HERE);
     }
 }
 
 void EventHandler::dispatchFakeMouseMoveEventSoonInQuad(const FloatQuad& quad)
 {
     FrameView* view = m_frame->view();
     if (!view)
         return;
 
-    if (!quad.containsPoint(view->windowToContents(m_lastKnownMousePosition)))
+    if (!quad.containsPoint(view->rootFrameToContents(m_lastKnownMousePosition)))
         return;
 
     dispatchFakeMouseMoveEventSoon();
 }
 
 void EventHandler::fakeMouseMoveEventTimerFired(Timer<EventHandler>* timer)
 {
     ASSERT_UNUSED(timer, timer == &m_fakeMouseMoveEventTimer);
     ASSERT(!m_mousePressed);
 
@@ skipping 45 matching lines @@
 void EventHandler::hoverTimerFired(Timer<EventHandler>*)
 {
     m_hoverTimer.stop();
 
     ASSERT(m_frame);
     ASSERT(m_frame->document());
 
     if (LayoutView* renderer = m_frame->contentRenderer()) {
         if (FrameView* view = m_frame->view()) {
             HitTestRequest request(HitTestRequest::Move);
-            HitTestResult result(view->windowToContents(m_lastKnownMousePosition));
+            HitTestResult result(view->rootFrameToContents(m_lastKnownMousePosition));
             renderer->hitTest(request, result);
             m_frame->document()->updateHoverActiveState(request, result.innerElement());
         }
     }
 }
 
 void EventHandler::activeIntervalTimerFired(Timer<EventHandler>*)
 {
     m_activeIntervalTimer.stop();
 
@@ skipping 159 matching lines @@
     }
     if (event->type() == EventTypeNames::keypress) {
         m_frame->editor().handleKeyboardEvent(event);
         if (event->defaultHandled())
             return;
         if (event->charCode() == ' ')
             defaultSpaceEventHandler(event);
     }
 }
 
-bool EventHandler::dragHysteresisExceeded(const IntPoint& dragViewportLocation) const
+bool EventHandler::dragHysteresisExceeded(const IntPoint& dragLocationInRootFrame) const
 {
     FrameView* view = m_frame->view();
     if (!view)
         return false;
-    IntPoint dragLocation = view->windowToContents(dragViewportLocation);
+    IntPoint dragLocation = view->rootFrameToContents(dragLocationInRootFrame);
     IntSize delta = dragLocation - m_mouseDownPos;
 
     int threshold = GeneralDragHysteresis;
     switch (dragState().m_dragType) {
     case DragSourceActionSelection:
         threshold = TextDragHysteresis;
         break;
     case DragSourceActionImage:
         threshold = ImageDragHysteresis;
         break;
@@ skipping 398 matching lines @@
 
     // First do hit tests for any new touch points.
     for (i = 0; i < points.size(); ++i) {
         const PlatformTouchPoint& point = points[i];
 
         // Touch events implicitly capture to the touched node, and don't change
         // active/hover states themselves (Gesture events do). So we only need
         // to hit-test on touchstart, and it can be read-only.
         if (point.state() == PlatformTouchPoint::TouchPressed) {
             HitTestRequest::HitTestRequestType hitType = HitTestRequest::TouchEvent | HitTestRequest::ReadOnly | HitTestRequest::Active;
-            LayoutPoint pagePoint = roundedLayoutPoint(m_frame->view()->windowToContents(point.pos()));
+            LayoutPoint pagePoint = roundedLayoutPoint(m_frame->view()->rootFrameToContents(point.pos()));
             HitTestResult result;
             if (!m_touchSequenceDocument) {
                 result = hitTestResultAtPoint(pagePoint, hitType);
             } else if (m_touchSequenceDocument->frame()) {
-                LayoutPoint framePoint = roundedLayoutPoint(m_touchSequenceDocument->frame()->view()->windowToContents(point.pos()));
+                LayoutPoint framePoint = roundedLayoutPoint(m_touchSequenceDocument->frame()->view()->rootFrameToContents(point.pos()));
                 result = hitTestResultInFrame(m_touchSequenceDocument->frame(), framePoint, hitType);
             } else
                 continue;
 
             Node* node = result.innerNode();
             if (!node)
                 continue;
 
             // Touch events should not go to text nodes
             if (node->isTextNode())
@@ skipping 97 matching lines @@
             // Document so that there's some valid node here. Perhaps this
             // should really be LocalDOMWindow, but in all other cases the target of
             // a Touch is a Node so using the window could be a breaking change.
             // Since we know there was no handler invoked, the specific target
             // should be completely irrelevant to the application.
             touchTarget = m_touchSequenceDocument;
             targetFrame = m_touchSequenceDocument->frame();
         }
         ASSERT(targetFrame);
 
-        // pagePoint should always be relative to the target elements
-        // containing frame.
-        FloatPoint pagePoint = targetFrame->view()->windowToContents(point.pos());
+        // pagePoint should always be in the target element's document coordinates.
+        FloatPoint pagePoint = targetFrame->view()->rootFrameToContents(point.pos());
 
         float scaleFactor = 1.0f / targetFrame->pageZoomFactor();
 
         FloatPoint adjustedPagePoint = pagePoint.scaledBy(scaleFactor);
         FloatSize adjustedRadius = point.radius().scaledBy(scaleFactor);
 
         RefPtrWillBeRawPtr<Touch> touch = Touch::create(
             targetFrame, touchTarget.get(), point.id(), point.screenPos(), adjustedPagePoint, adjustedRadius, point.rotationAngle(), point.force());
 
         // Ensure this target's touch list exists, even if it ends up empty, so
@@ skipping 96 matching lines @@
     m_lastKnownMousePosition = event.position();
     m_lastKnownMouseGlobalPosition = event.globalPosition();
 }
 
 bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, LocalFrame* subframe)
 {
     // If we're clicking into a frame that is selected, the frame will appear
     // greyed out even though we're clicking on the selection.  This looks
     // really strange (having the whole frame be greyed out), so we deselect the
     // selection.
-    IntPoint p = m_frame->view()->windowToContents(mev.event().position());
+    IntPoint p = m_frame->view()->rootFrameToContents(mev.event().position());
     if (m_frame->selection().contains(p)) {
         VisiblePosition visiblePos(
             mev.innerNode()->renderer()->positionForPoint(mev.localPoint()));
         VisibleSelection newSelection(visiblePos);
         m_frame->selection().setSelection(newSelection);
     }
 
     subframe->eventHandler().handleMousePressEvent(mev.event());
     return true;
 }
@@ skipping 52 matching lines @@
 
     // If it's in the direction to hide the top controls, only consume when the frame can also scroll.
     if (m_frame->view()->scrollPosition().y() < m_frame->view()->maximumScrollPosition().y())
         return true;
 
     return false;
 }
 
 
 } // namespace blink