Add pixel readback to page popup

Source/web/WebViewImpl.cpp

Index: Source/web/WebViewImpl.cpp
diff --git a/Source/web/WebViewImpl.cpp b/Source/web/WebViewImpl.cpp
index a170b30c711d430597a550f8a410233e7b41e766..00f1a7c29cd501129cd4c241e85b64f791c7dd8b 100644
--- a/Source/web/WebViewImpl.cpp
+++ b/Source/web/WebViewImpl.cpp
@@ -114,6 +114,7 @@
 #include "platform/scroll/ScrollbarTheme.h"
 #include "platform/weborigin/SchemeRegistry.h"
 #include "public/platform/Platform.h"
+#include "public/platform/WebCompositeAndReadbackAsyncCallback.h"
 #include "public/platform/WebDragData.h"
 #include "public/platform/WebFloatPoint.h"
 #include "public/platform/WebGestureCurve.h"
@@ -1613,6 +1614,12 @@ WebSize WebViewImpl::size()
     return m_size;
 }
 
+WebPoint WebViewImpl::screenPosition()
+{
+    WebRect rect = m_client->rootWindowRect();
+    return WebPoint(rect.x, rect.y);
+}
+
 void WebViewImpl::resizePinchViewport(const WebSize& newSize)
 {
     if (!pinchVirtualViewportEnabled())
@@ -2482,6 +2489,11 @@ WebColor WebViewImpl::backgroundColor() const
     return view->documentBackgroundColor().rgb();
 }
 
+WebPagePopup* WebViewImpl::popup() const
+{
+    return m_pagePopup.get();
+}
+
 bool WebViewImpl::caretOrSelectionRange(size_t* location, size_t* length)
 {
     const LocalFrame* focused = toLocalFrame(focusedCoreFrame());