WIP: Skeleton for paint offset caching

Source/web/WebPluginContainerImpl.cpp

Index: Source/web/WebPluginContainerImpl.cpp
diff --git a/Source/web/WebPluginContainerImpl.cpp b/Source/web/WebPluginContainerImpl.cpp
index 6196f7769f4d8f07eb1aaa7f0712a0751f822b2f..e9babada6f4a570b1f94400736fde66ef4395bd0 100644
--- a/Source/web/WebPluginContainerImpl.cpp
+++ b/Source/web/WebPluginContainerImpl.cpp
@@ -118,10 +118,10 @@ void WebPluginContainerImpl::paint(GraphicsContext* context, const IntRect& rect
     if (!frameRect().intersects(rect))
         return;
 
-    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*context, *m_element->layoutObject(), DisplayItem::Type::WebPlugin))
+    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*context, *m_element->layoutObject(), DisplayItem::Type::WebPlugin, LayoutPoint()))
         return;
 
-    LayoutObjectDrawingRecorder drawingRecorder(*context, *m_element->layoutObject(), DisplayItem::Type::WebPlugin, rect);
+    LayoutObjectDrawingRecorder drawingRecorder(*context, *m_element->layoutObject(), DisplayItem::Type::WebPlugin, rect, LayoutPoint());
     context->save();
 
     ASSERT(parent()->isFrameView());
@@ -342,10 +342,10 @@ int WebPluginContainerImpl::printBegin(const WebPrintParams& printParams) const
 
 void WebPluginContainerImpl::printPage(int pageNumber, GraphicsContext* gc, const IntRect& printRect)
 {
-    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*gc, *m_element->layoutObject(), DisplayItem::Type::WebPlugin))
+    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*gc, *m_element->layoutObject(), DisplayItem::Type::WebPlugin, LayoutPoint()))
         return;
 
-    LayoutObjectDrawingRecorder drawingRecorder(*gc, *m_element->layoutObject(), DisplayItem::Type::WebPlugin, printRect);
+    LayoutObjectDrawingRecorder drawingRecorder(*gc, *m_element->layoutObject(), DisplayItem::Type::WebPlugin, printRect, LayoutPoint());
     gc->save();
     WebCanvas* canvas = gc->canvas();
     m_webPlugin->printPage(pageNumber, canvas);