Update comments on pressing Esc on PlatformVerificationDialog

ui/views/window/dialog_delegate.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_WINDOW_DIALOG_DELEGATE_H_
 #define UI_VIEWS_WINDOW_DIALOG_DELEGATE_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
@@ skipping 45 matching lines @@
   // the confirm/cancel buttons. Note that if there are no buttons, this will
   // not be used.
   // If a custom padding should be used, returns true and populates |padding|.
   virtual bool GetExtraViewPadding(int* padding);
 
   // Override this function to display a footnote view below the buttons.
   // Overrides may construct the view; this will only be called once per dialog.
   virtual View* CreateFootnoteView();
 
   // For Dialog boxes, if there is a "Cancel" button or no dialog button at all,
-  // this is called when the user presses the "Cancel" button or the Esc key.
+  // this is called when the user presses the "Cancel" button.
   // It can also be called on a close action if |Close| has not been
   // overridden. This function should return true if the window can be closed
   // after it returns, or false if it must remain open.
   virtual bool Cancel();
 
   // For Dialog boxes, this is called when the user presses the "OK" button,
   // or the Enter key. It can also be called on a close action if |Close|
   // has not been overridden. This function should return true if the window
   // can be closed after it returns, or false if it must remain open.
   virtual bool Accept();
 
   // Called when the user closes the window without selecting an option,
-  // e.g. by pressing the close button on the window or using a window manager
-  // gesture. By default, this calls Accept() if the only button in the dialog
-  // is Accept, Cancel() otherwise. This function should return true if the
-  // window can be closed after it returns, or false if it must remain open.
+  // e.g. by pressing the close button on the window, pressing the Esc key, or
+  // using a window manager gesture. By default, this calls Accept() if the only
+  // button in the dialog is Accept, Cancel() otherwise. This function should
+  // return true if the window can be closed after it returns, or false if it
+  // must remain open.
   virtual bool Close();
 
   // Updates the properties and appearance of |button| which has been created
   // for type |type|. Override to do special initialization above and beyond
   // the typical.
   virtual void UpdateButton(LabelButton* button, ui::DialogButton type);
 
   // Overridden from ui::DialogModel:
   int GetDialogButtons() const override;
   int GetDefaultDialogButton() const override;
@@ skipping 51 matching lines @@
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DialogDelegateView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WINDOW_DIALOG_DELEGATE_H_