Fix contextmenu event location for menu key in an iframe

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 2771 matching lines @@
     // Clear mouse press state to avoid initiating a drag while context menu is up.
     m_mousePressed = false;
 
     static const int kContextMenuMargin = 1;
 
 #if OS(WIN)
     int rightAligned = ::GetSystemMetrics(SM_MENUDROPALIGNMENT);
 #else
     int rightAligned = 0;
 #endif
-    IntPoint location;
-
+    IntPoint rootViewLocation;
     Element* focusedElement = doc->focusedElement();
     FrameSelection& selection = m_frame->selection();
     Position start = selection.selection().start();
-    bool shouldTranslateToRootView = true;
 
     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;
-        location = IntPoint(x, y);
+        rootViewLocation = view->contentsToRootView(IntPoint(x, y));
     } else if (focusedElement) {
         IntRect clippedRect = focusedElement->boundsInRootViewSpace();
-        location = IntPoint(clippedRect.center());
+        rootViewLocation = IntPoint(clippedRect.center());
     } else {
-        location = IntPoint(
+        rootViewLocation = IntPoint(
             rightAligned ? view->contentsWidth() - kContextMenuMargin : kContextMenuMargin,
             kContextMenuMargin);
-        shouldTranslateToRootView = false;
     }
 
     m_frame->view()->setCursor(pointerCursor());
-
-    IntPoint position = shouldTranslateToRootView ? view->contentsToRootView(location) : location;
-    IntPoint globalPosition = view->hostWindow()->rootViewToScreen(IntRect(position, IntSize())).location();
+    IntPoint globalPosition = view->hostWindow()->rootViewToScreen(IntRect(rootViewLocation, IntSize())).location();
 
     Node* targetNode = doc->focusedElement();
     if (!targetNode)
         targetNode = doc;
 
     // Use the focused node as the target for hover and active.
-    HitTestResult result(position);
+    HitTestResult result(rootViewLocation);
     result.setInnerNode(targetNode);
     doc->updateHoverActiveState(HitTestRequest::Active, result.innerElement());
 
     // The contextmenu event is a mouse event even when invoked using the keyboard.
     // This is required for web compatibility.
     PlatformEvent::Type eventType = PlatformEvent::MousePressed;
     if (m_frame->settings()->showContextMenuOnMouseUp())
         eventType = PlatformEvent::MouseReleased;
 
-    PlatformMouseEvent mouseEvent(position, globalPosition, RightButton, eventType, 1, false, false, false, false, PlatformMouseEvent::RealOrIndistinguishable, WTF::currentTime());
+    PlatformMouseEvent mouseEvent(rootViewLocation, globalPosition, RightButton, eventType, 1, false, false, false, false, PlatformMouseEvent::RealOrIndistinguishable, WTF::currentTime());
 
     handleMousePressEvent(mouseEvent);
     return sendContextMenuEvent(mouseEvent);
 }
 
 bool EventHandler::sendContextMenuEventForGesture(const GestureEventWithHitTestResults& targetedEvent)
 {
     unsigned modifiers = targetedEvent.event().modifiers();
     PlatformEvent::Type eventType = PlatformEvent::MousePressed;
 
@@ skipping 1041 matching lines @@
 unsigned EventHandler::accessKeyModifiers()
 {
 #if OS(MACOSX)
     return PlatformEvent::CtrlKey | PlatformEvent::AltKey;
 #else
     return PlatformEvent::AltKey;
 #endif
 }
 
 } // namespace blink