Update parent layout when child frame requests innerHeight/innerWidth.

Source/core/page/DOMWindow.cpp

Index: Source/core/page/DOMWindow.cpp
diff --git a/Source/core/page/DOMWindow.cpp b/Source/core/page/DOMWindow.cpp
index 6c42964bc50503e55d17007900d91533941f21ed..3d850317f4779a222fcf1da5ba1a4766f0b15cb0 100644
--- a/Source/core/page/DOMWindow.cpp
+++ b/Source/core/page/DOMWindow.cpp
@@ -1025,6 +1025,10 @@ int DOMWindow::innerHeight() const
     if (!view)
         return 0;
 
+    // FIXME: This is potentially too much work. We really only need to know the dimensions of the parent frame's renderer.

[esprehn, 2013/07/16 02:58:50]

I don't think you need the fixme, this is true of lots
updateLayoutIgnorePendingStylesheets calls. You can leave it if you want though.

+    if (Frame* parent = m_frame->tree()->parent())
+        parent->document()->updateLayoutIgnorePendingStylesheets();
+
     // If the device height is overridden, do not include the horizontal scrollbar into the innerHeight (since it is absent on the real device).
     bool includeScrollbars = !InspectorInstrumentation::shouldApplyScreenHeightOverride(m_frame);
     return view->mapFromLayoutToCSSUnits(static_cast<int>(view->visibleContentRect(includeScrollbars ? ScrollableArea::IncludeScrollbars : ScrollableArea::ExcludeScrollbars).height()));
@@ -1039,6 +1043,10 @@ int DOMWindow::innerWidth() const
     if (!view)
         return 0;
 
+    // FIXME: This is potentially too much work. We really only need to know the dimensions of the parent frame's renderer.
+    if (Frame* parent = m_frame->tree()->parent())
+        parent->document()->updateLayoutIgnorePendingStylesheets();
+
     // If the device width is overridden, do not include the vertical scrollbar into the innerWidth (since it is absent on the real device).
     bool includeScrollbars = !InspectorInstrumentation::shouldApplyScreenWidthOverride(m_frame);
     return view->mapFromLayoutToCSSUnits(static_cast<int>(view->visibleContentRect(includeScrollbars ? ScrollableArea::IncludeScrollbars : ScrollableArea::ExcludeScrollbars).width()));