Fix tabbing into web area not focusing first element....

chrome/browser/cocoa/base_view.mm

 // 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.
 
 #include "chrome/browser/cocoa/base_view.h"
 
+NSString* kViewDidBecomeFirstResponder =
+    @"Chromium.kViewDidBecomeFirstResponder";
+NSString* kSelectionDirection = @"Chromium.kSelectionDirection";
+
 @implementation BaseView
 
 - (id)initWithFrame:(NSRect)frame {
   self = [super initWithFrame:frame];
   if (self) {
     trackingArea_ =
         [[NSTrackingArea alloc] initWithRect:frame
                                      options:NSTrackingMouseMoved |
                                              NSTrackingMouseEnteredAndExited |
                                              NSTrackingActiveInActiveApp |
@@ skipping 117 matching lines @@
 }
 
 - (NSRect)flipRectToNSRect:(gfx::Rect)rect {
   NSRect new_rect(NSRectFromCGRect(rect.ToCGRect()));
   new_rect.origin.y =
       [self bounds].size.height - new_rect.origin.y - new_rect.size.height;
   return new_rect;
 }
 
 @end