Mac: remove cursor turd from About dialog.

chrome/browser/cocoa/about_window_controller.h

 // Copyright (c) 2009 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 CHROME_BROWSER_COCOA_ABOUT_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_ABOUT_WINDOW_CONTROLLER_H_
 
 #import <AppKit/AppKit.h>
 
 @class BackgroundTileView;
 class Profile;
 
+// This simple subclass of |NSTextView| just doesn't show the (text) cursor
+// (|NSTextView| displays the cursor with full keyboard accessibility enabled).
+@interface AboutLegalTextView : NSTextView
+@end
+
 // A window controller that handles the About box.
 @interface AboutWindowController : NSWindowController {
  @private
   IBOutlet NSTextField* version_;
   IBOutlet BackgroundTileView* backgroundView_;
   IBOutlet NSImageView* logoView_;
   IBOutlet NSView* legalBlock_;
-  IBOutlet NSTextView* legalText_;
+  IBOutlet AboutLegalTextView* legalText_;
   IBOutlet NSView* updateBlock_;  // Holds everything related to updates
   IBOutlet NSProgressIndicator* spinner_;
   IBOutlet NSImageView* updateStatusIndicator_;
   IBOutlet NSTextField* updateText_;
   IBOutlet NSButton* updateNowButton_;
 
   BOOL updateTriggered_;  // Has an update ever been triggered?
   Profile* profile_;  // Weak, probably the default profile.
 }
 
@@ skipping 11 matching lines @@
 - (NSTextView*)legalText;
 - (NSButton*)updateButton;
 - (NSTextField*)updateText;
 
 // Returns an NSAttributedString that contains locale-specific legal text.
 + (NSAttributedString*)legalTextBlock;
 
 @end  // @interface AboutWindowController(JustForTesting)
 
 #endif  // CHROME_BROWSER_COCOA_ABOUT_WINDOW_CONTROLLER_H_