Move TransferNavigationResourceThrottle to content since that's where it belongs. This is a step in…

chrome/browser/renderer_host/transfer_navigation_resource_throttle.cc

Index: chrome/browser/renderer_host/transfer_navigation_resource_throttle.cc
===================================================================
--- chrome/browser/renderer_host/transfer_navigation_resource_throttle.cc	(revision 138143)
+++ chrome/browser/renderer_host/transfer_navigation_resource_throttle.cc	(working copy)
@@ -1,94 +0,0 @@
-// 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/renderer_host/transfer_navigation_resource_throttle.h"
-
-#include "base/bind.h"
-#include "chrome/browser/extensions/extension_info_map.h"
-#include "chrome/browser/profiles/profile_io_data.h"
-#include "chrome/common/extensions/extension_process_policy.h"
-#include "content/public/browser/global_request_id.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/render_view_host_delegate.h"
-#include "content/public/browser/resource_dispatcher_host.h"
-#include "content/public/browser/resource_request_info.h"
-#include "content/public/common/referrer.h"
-#include "net/url_request/url_request.h"
-
-using content::GlobalRequestID;
-using content::Referrer;
-using content::RenderViewHostDelegate;
-using content::ResourceDispatcherHost;
-using content::ResourceRequestInfo;
-
-namespace {
-
-void RequestTransferURLOnUIThread(int render_process_id,
-                                  int render_view_id,
-                                  const GURL& new_url,
-                                  const Referrer& referrer,
-                                  WindowOpenDisposition window_open_disposition,
-                                  int64 frame_id,
-                                  const GlobalRequestID& global_request_id) {
-  content::RenderViewHost* rvh =
-      content::RenderViewHost::FromID(render_process_id, render_view_id);
-  if (!rvh)
-    return;
-
-  RenderViewHostDelegate* delegate = rvh->GetDelegate();
-  if (!delegate)
-    return;
-
-  delegate->RequestTransferURL(
-      new_url, referrer, window_open_disposition, frame_id, global_request_id);
-}
-
-}  // namespace
-
-TransferNavigationResourceThrottle::TransferNavigationResourceThrottle(
-    net::URLRequest* request)
-    : request_(request) {
-}
-
-TransferNavigationResourceThrottle::~TransferNavigationResourceThrottle() {
-}
-
-void TransferNavigationResourceThrottle::WillRedirectRequest(
-    const GURL& new_url,
-    bool* defer) {
-  // TODO(darin): Move this logic into src/content.
-
-  const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request_);
-
-  // If a toplevel request is redirecting across extension extents, we want to
-  // switch processes. We do this by deferring the redirect and resuming the
-  // request once the navigation controller properly assigns the right process
-  // to host the new URL.
-  // TODO(mpcomplete): handle for cases other than extensions (e.g. WebUI).
-  content::ResourceContext* resource_context = info->GetContext();
-  ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
-  if (extensions::CrossesExtensionProcessBoundary(
-          io_data->GetExtensionInfoMap()->extensions(),
-          ExtensionURLInfo(request_->url()), ExtensionURLInfo(new_url))) {
-    int render_process_id, render_view_id;
-    if (info->GetAssociatedRenderView(&render_process_id, &render_view_id)) {
-      ResourceDispatcherHost::Get()->MarkAsTransferredNavigation(request_);
-
-      GlobalRequestID global_id(info->GetChildID(), info->GetRequestID());
-      content::BrowserThread::PostTask(
-          content::BrowserThread::UI,
-          FROM_HERE,
-          base::Bind(&RequestTransferURLOnUIThread,
-              render_process_id,
-              render_view_id,
-              new_url,
-              Referrer(GURL(request_->referrer()), info->GetReferrerPolicy()),
-              CURRENT_TAB,
-              info->GetFrameID(),
-              global_id));
-
-      *defer = true;
-    }
-  }
-}