Selection Action mode triggered like a context menu

third_party/WebKit/Source/core/editing/FrameSelection.cpp

Index: third_party/WebKit/Source/core/editing/FrameSelection.cpp
diff --git a/third_party/WebKit/Source/core/editing/FrameSelection.cpp b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
index c38ab516a4ab4e70cf0bdc01fad2e0dcbe2d99a7..8115f8507b829041a9bb3d8665031b54c4178e58 100644
--- a/third_party/WebKit/Source/core/editing/FrameSelection.cpp
+++ b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
@@ -63,6 +63,7 @@
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLSelectElement.h"
+#include "core/input/ContextMenuAllowedScope.h"
 #include "core/input/EventHandler.h"
 #include "core/layout/HitTestRequest.h"
 #include "core/layout/HitTestResult.h"
@@ -670,6 +671,10 @@ void FrameSelection::SelectAll() {
                    .Build());
   SelectFrameElementInParentIfFullySelected();
   NotifyLayoutObjectOfSelectionChange(kUserTriggered);
+  {
+    ContextMenuAllowedScope scope;
+    frame_->GetEventHandler().SendContextMenuEventForTouchSelection();
+  }
 }
 
 bool FrameSelection::SetSelectedRange(const EphemeralRange& range,