Eliminate the LinkInfoBar[Delegate] classes entirely.

chrome/browser/ui/cocoa/infobars/mock_link_infobar_delegate.cc

-// 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.
-
-#include "chrome/browser/ui/cocoa/infobars/mock_link_infobar_delegate.h"
-
-#include "base/utf_string_conversions.h"
-
-const char MockLinkInfoBarDelegate::kMessage[] = "MockLinkInfoBarMessage ";
-const char MockLinkInfoBarDelegate::kLink[] = "http://dev.chromium.org";
-
-MockLinkInfoBarDelegate::MockLinkInfoBarDelegate(Owner* owner)
-    : LinkInfoBarDelegate(NULL),
-      owner_(owner),
-      closes_on_action_(true),
-      icon_accessed_(false),
-      message_text_accessed_(false),
-      link_text_accessed_(false),
-      link_clicked_(false) {
-}
-
-MockLinkInfoBarDelegate::~MockLinkInfoBarDelegate() {
-  if (owner_)
-    owner_->OnInfoBarDelegateClosed();
-}
-
-gfx::Image* MockLinkInfoBarDelegate::GetIcon() const {
-  icon_accessed_ = true;
-  return NULL;
-}
-
-string16 MockLinkInfoBarDelegate::GetMessageTextWithOffset(
-    size_t* link_offset) const {
-  message_text_accessed_ = true;
-  *link_offset = arraysize(kMessage) - 1;
-  return ASCIIToUTF16(kMessage);
-}
-
-string16 MockLinkInfoBarDelegate::GetLinkText() const {
-  link_text_accessed_ = true;
-  return ASCIIToUTF16(kLink);
-}
-
-bool MockLinkInfoBarDelegate::LinkClicked(WindowOpenDisposition disposition) {
-  link_clicked_ = true;
-  return closes_on_action_;
-}