Silent mouse lock after unlock by target

content/renderer/mouse_lock_dispatcher.h

Index: content/renderer/mouse_lock_dispatcher.h
diff --git a/content/renderer/mouse_lock_dispatcher.h b/content/renderer/mouse_lock_dispatcher.h
index 8035d091eafb76ab47cb429d7deb15b6960d68ca..f77f56e86488dac96200464dc22b2943e754fdb1 100644
--- a/content/renderer/mouse_lock_dispatcher.h
+++ b/content/renderer/mouse_lock_dispatcher.h
@@ -76,6 +76,11 @@ class CONTENT_EXPORT MouseLockDispatcher : public content::RenderViewObserver {
   bool pending_lock_request_;
   bool pending_unlock_request_;
 
+  // Used when locking to indicate when a target application has voluntarily
+  // unlocked and desires to relock the mouse. If the mouse is unlocked due
+  // to ESC being pressed by the user, this will be false
+  bool unlocked_by_target_;
+
   // |target_| is the pending or current owner of mouse lock. We retain a non
   // owning reference here that must be cleared by |OnLockTargetDestroyed|
   // when it is destroyed.