Fix "unused variable" warnings.

chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc

 // Copyright 2014 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/guest_view/web_view/chrome_web_view_guest_delegate.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
@@ skipping 12 matching lines @@
 #include "extensions/browser/api/web_request/web_request_api.h"
 #include "extensions/browser/guest_view/web_view/web_view_constants.h"
 
 using guest_view::GuestViewEvent;
 
 namespace extensions {
 
 ChromeWebViewGuestDelegate::ChromeWebViewGuestDelegate(
     WebViewGuest* web_view_guest)
     : pending_context_menu_request_id_(0),
-      chromevox_injected_(false),
       web_view_guest_(web_view_guest),
       weak_ptr_factory_(this) {
 }
 
 ChromeWebViewGuestDelegate::~ChromeWebViewGuestDelegate() {
 }
 
 bool ChromeWebViewGuestDelegate::HandleContextMenu(
     const content::ContextMenuParams& params) {
   ContextMenuDelegate* menu_delegate =
@@ skipping 114 matching lines @@
 
 void ChromeWebViewGuestDelegate::SetContextMenuPosition(
     const gfx::Point& position) {
   if (context_menu_position_ == nullptr)
     context_menu_position_.reset(new gfx::Point());
 
   *context_menu_position_ = position;
 }
 
 }  // namespace extensions