Selection Action mode triggered like a context menu

third_party/WebKit/public/platform/WebInputEvent.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 216 matching lines @@
     kScrollLockOn = 1 << 18,
 
     // Whether this is a compatibility event generated due to a
     // native touch event. Mouse events generated from touch
     // events will set this.
     kIsCompatibilityEventForTouch = 1 << 19,
 
     kBackButtonDown = 1 << 20,
     kForwardButtonDown = 1 << 21,
 
+    kSelectAll = 1 << 22,
+
     // The set of non-stateful modifiers that specifically change the
     // interpretation of the key being pressed. For example; IsLeft,
     // IsRight, IsComposing don't change the meaning of the key
     // being pressed. NumLockOn, ScrollLockOn, CapsLockOn are stateful
     // and don't indicate explicit depressed state.
     kKeyModifiers = kSymbolKey | kFnKey | kAltGrKey | kMetaKey | kAltKey |
                     kControlKey |
                     kShiftKey,
     kNoModifiers = 0,
   };
@@ skipping 183 matching lines @@
   unsigned size_;              // The size of this structure, for serialization.
   Type type_;
   int modifiers_;
 };
 
 #pragma pack(pop)
 
 }  // namespace blink
 
 #endif