Selection Action mode triggered like a context menu

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 324a6522f6fa58065495fb2b43db3373c7af2a07..a0bb10ddc9dee35b9a120af1c9686c57c5dd9eb2 100644
--- a/third_party/WebKit/Source/core/input/EventHandler.cpp
+++ b/third_party/WebKit/Source/core/input/EventHandler.cpp
@@ -1885,14 +1885,26 @@ WebInputEventResult EventHandler::SendContextMenuEventForKey(
       frame_->GetSettings()->GetShowContextMenuOnMouseUp())
     event_type = WebInputEvent::kMouseUp;
 
+  WebInputEvent::Modifiers modifiers;
+  switch (source_type) {
+    case kMenuSourceSelectAll:
+      modifiers = WebInputEvent::kSelectAll;
+      break;
+    case kMenuSourceTouch:
+    case kMenuSourceLongPress:
+    case kMenuSourceTouchHandle:
+      modifiers = WebInputEvent::kIsCompatibilityEventForTouch;
+      break;
+    default:
+      modifiers = WebInputEvent::kNoModifiers;
+      break;
+  }
+
   WebMouseEvent mouse_event(
       event_type,
       WebFloatPoint(location_in_root_frame.X(), location_in_root_frame.Y()),
       WebFloatPoint(global_position.X(), global_position.Y()),
-      WebPointerProperties::Button::kNoButton, /* clickCount */ 0,
-      ((source_type == kMenuSourceTouchHandle)
-           ? WebInputEvent::kIsCompatibilityEventForTouch
-           : WebInputEvent::kNoModifiers),
+      WebPointerProperties::Button::kNoButton, /* clickCount */ 0, modifiers,
       TimeTicks::Now().InSeconds());
 
   // TODO(dtapuska): Transition the mouseEvent to be created really in viewport
@@ -1902,6 +1914,18 @@ WebInputEventResult EventHandler::SendContextMenuEventForKey(
   return SendContextMenuEvent(mouse_event, override_target_element);
 }
 
+WebInputEventResult EventHandler::SendContextMenuEventForTouchSelection(

[aelias_OOO_until_Jul13, 2017/05/23 20:52:05]

This return value is unused by the callers.  Since this is a side effect of an
otherwise system-handled event rather than part of the gesture handling pipeline
per se, I suggest just making this return void.

[amaralp1, 2017/05/24 08:30:34]

Done.

+    WebMenuSourceType menu_source) {
+  // TODO(editing-dev): The use of UpdateStyleAndLayoutIgnorePendingStylesheets
+  // needs to be audited.  See http://crbug.com/590369 for more details.
+  frame_->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();
+  FrameSelection& selection = frame_->Selection();
+  if (!(selection.IsAvailable() && selection.IsHandleVisible() &&
+        selection.ComputeVisibleSelectionInFlatTree().IsRange()))
+    return WebInputEventResult::kNotHandled;
+  return SendContextMenuEventForKey(nullptr, menu_source);
+}
+
 void EventHandler::ScheduleHoverStateUpdate() {
   // TODO(https://crbug.com/668758): Use a normal BeginFrame update for this.
   if (!hover_timer_.IsActive() &&