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 ed67d3c13a51a80ff78c4f222a4cc9401e4a4ea7..1024b5d293214293d0139b4e4af30e1c1864344d 100644
--- a/Source/web/WebViewImpl.cpp
+++ b/Source/web/WebViewImpl.cpp
@@ -115,6 +115,7 @@
 #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"
@@ -2490,6 +2491,16 @@ WebColor WebViewImpl::backgroundColor() const
     return view->documentBackgroundColor().rgb();
 }
 
+WebPagePopup* WebViewImpl::pagePopup() const
+{
+    return m_pagePopup.get();
+}
+
+WebWidgetClient* WebViewImpl::client() const
+{
+    return m_client;
+}
+
 bool WebViewImpl::caretOrSelectionRange(size_t* location, size_t* length)
 {
     const LocalFrame* focused = toLocalFrame(focusedCoreFrame());