[poc] redecode

third_party/WebKit/Source/core/input/EventHandler.cpp

Index: third_party/WebKit/Source/core/input/EventHandler.cpp
diff --git a/third_party/WebKit/Source/core/input/EventHandler.cpp b/third_party/WebKit/Source/core/input/EventHandler.cpp
index ff2da3c7ddce57cf5d8692c008262b125df98929..e272da4915f85f792b7cf345c0d443685e0004ad 100644
--- a/third_party/WebKit/Source/core/input/EventHandler.cpp
+++ b/third_party/WebKit/Source/core/input/EventHandler.cpp
@@ -90,6 +90,7 @@
 #include "platform/TraceEvent.h"
 #include "platform/WindowsKeyboardCodes.h"
 #include "platform/geometry/FloatPoint.h"
+#include "platform/graphics/GraphicsScreen.h"
 #include "platform/graphics/Image.h"
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollAnimatorBase.h"
@@ -3390,12 +3391,16 @@ bool EventHandler::handleDrag(const MouseEventWithHitTestResults& event, DragIni
     // Once we're past the hysteresis point, we don't want to treat this gesture as a click
     invalidateClick();
 
+    int64_t previousId = setCurrentScreenId(reinterpret_cast<int64_t>(m_frame->page()));
+
     if (!tryStartDrag(event)) {
         // Something failed to start the drag, clean up.
         clearDragDataTransfer();
         dragState().m_dragSrc = nullptr;
     }
 
+    setCurrentScreenId(previousId);
+
     m_mouseDownMayStartDrag = false;
     // Whether or not the drag actually started, no more default handling (like selection).
     return true;