Converting (Alt+LeftClick -> RightClick) to (Search+LeftClick -> RightClick)

ui/base/accelerators/accelerator_history.h

Index: ui/base/accelerators/accelerator_history.h
diff --git a/ui/base/accelerators/accelerator_history.h b/ui/base/accelerators/accelerator_history.h
index 435e75274f22571084f9103bf4b30b76370a44ee..4b0f51acc5a3333caf56692843ce780a298bd706 100644
--- a/ui/base/accelerators/accelerator_history.h
+++ b/ui/base/accelerators/accelerator_history.h
@@ -25,8 +25,9 @@ class UI_BASE_EXPORT AcceleratorHistory {
     return current_accelerator_;
   }
 
-  // Returns the most recent previously recorded accelerator that is different
-  // than the current.
+  // Returns the most recent previously recorded key accelerator that is
+  // different than the current. Non-synthesized mouse events will be stored
+  // in the histroy as an empty accelerator.
   const Accelerator& previous_accelerator() const {
     return previous_accelerator_;
   }