Update chrome/ to use WeakPtr<T>::get() instead of implicit "operator T*"

chrome/browser/download/download_request_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/download/download_request_infobar_delegate.h"
 
 #include "chrome/browser/infobars/infobar_service.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 DownloadRequestInfoBarDelegate::FakeCreateCallback*
   DownloadRequestInfoBarDelegate::callback_ = NULL;
 
 DownloadRequestInfoBarDelegate::~DownloadRequestInfoBarDelegate() {
-  if (host_)
+  if (host_.get())
     host_->Cancel();
 }
 
 // static
 void DownloadRequestInfoBarDelegate::Create(
     InfoBarService* infobar_service,
     base::WeakPtr<DownloadRequestLimiter::TabDownloadState> host) {
   if (DownloadRequestInfoBarDelegate::callback_ &&
       !DownloadRequestInfoBarDelegate::callback_->is_null()) {
     DownloadRequestInfoBarDelegate::callback_->Run(infobar_service, host);
@@ skipping 34 matching lines @@
   return l10n_util::GetStringUTF16(IDS_MULTI_DOWNLOAD_WARNING);
 }
 
 string16 DownloadRequestInfoBarDelegate::GetButtonLabel(
     InfoBarButton button) const {
   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
       IDS_MULTI_DOWNLOAD_WARNING_ALLOW : IDS_MULTI_DOWNLOAD_WARNING_DENY);
 }
 
 bool DownloadRequestInfoBarDelegate::Accept() {
-  if (host_) {
+  if (host_.get()) {
     // Accept() call will invalidate host_ weak pointer if no further
     // prompts are required.
     host_->Accept();
   }
 
-  return !host_;
+  return !host_.get();
 }