Move core pieces of browser\renderer_host to src\content.

chrome/browser/renderer_host/cross_site_resource_handler.cc

Index: chrome/browser/renderer_host/cross_site_resource_handler.cc
===================================================================
--- chrome/browser/renderer_host/cross_site_resource_handler.cc	(revision 75488)
+++ chrome/browser/renderer_host/cross_site_resource_handler.cc	(working copy)
@@ -1,219 +0,0 @@
-// Copyright (c) 2011 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 <string>
-
-#include "chrome/browser/renderer_host/cross_site_resource_handler.h"
-
-#include "base/logging.h"
-#include "chrome/browser/renderer_host/global_request_id.h"
-#include "chrome/browser/renderer_host/render_view_host.h"
-#include "chrome/browser/renderer_host/render_view_host_delegate.h"
-#include "chrome/browser/renderer_host/render_view_host_notification_task.h"
-#include "chrome/browser/renderer_host/resource_dispatcher_host.h"
-#include "chrome/browser/renderer_host/resource_dispatcher_host_request_info.h"
-#include "net/base/io_buffer.h"
-
-CrossSiteResourceHandler::CrossSiteResourceHandler(
-    ResourceHandler* handler,
-    int render_process_host_id,
-    int render_view_id,
-    ResourceDispatcherHost* resource_dispatcher_host)
-    : next_handler_(handler),
-      render_process_host_id_(render_process_host_id),
-      render_view_id_(render_view_id),
-      has_started_response_(false),
-      in_cross_site_transition_(false),
-      request_id_(-1),
-      completed_during_transition_(false),
-      completed_status_(),
-      response_(NULL),
-      rdh_(resource_dispatcher_host) {}
-
-bool CrossSiteResourceHandler::OnUploadProgress(int request_id,
-                                                uint64 position,
-                                                uint64 size) {
-  return next_handler_->OnUploadProgress(request_id, position, size);
-}
-
-bool CrossSiteResourceHandler::OnRequestRedirected(int request_id,
-                                                   const GURL& new_url,
-                                                   ResourceResponse* response,
-                                                   bool* defer) {
-  // We should not have started the transition before being redirected.
-  DCHECK(!in_cross_site_transition_);
-  return next_handler_->OnRequestRedirected(
-      request_id, new_url, response, defer);
-}
-
-bool CrossSiteResourceHandler::OnResponseStarted(int request_id,
-                                                 ResourceResponse* response) {
-  // At this point, we know that the response is safe to send back to the
-  // renderer: it is not a download, and it has passed the SSL and safe
-  // browsing checks.
-  // We should not have already started the transition before now.
-  DCHECK(!in_cross_site_transition_);
-  has_started_response_ = true;
-
-  // Look up the request and associated info.
-  GlobalRequestID global_id(render_process_host_id_, request_id);
-  net::URLRequest* request = rdh_->GetURLRequest(global_id);
-  if (!request) {
-    DLOG(WARNING) << "Request wasn't found";
-    return false;
-  }
-  ResourceDispatcherHostRequestInfo* info =
-      ResourceDispatcherHost::InfoForRequest(request);
-
-  // If this is a download, just pass the response through without doing a
-  // cross-site check.  The renderer will see it is a download and abort the
-  // request.
-  if (info->is_download()) {
-    return next_handler_->OnResponseStarted(request_id, response);
-  }
-
-  // Tell the renderer to run the onunload event handler, and wait for the
-  // reply.
-  StartCrossSiteTransition(request_id, response, global_id);
-  return true;
-}
-
-bool CrossSiteResourceHandler::OnWillStart(int request_id,
-                                           const GURL& url,
-                                           bool* defer) {
-  return next_handler_->OnWillStart(request_id, url, defer);
-}
-
-bool CrossSiteResourceHandler::OnWillRead(int request_id, net::IOBuffer** buf,
-                                          int* buf_size, int min_size) {
-  return next_handler_->OnWillRead(request_id, buf, buf_size, min_size);
-}
-
-bool CrossSiteResourceHandler::OnReadCompleted(int request_id,
-                                               int* bytes_read) {
-  if (!in_cross_site_transition_) {
-    return next_handler_->OnReadCompleted(request_id, bytes_read);
-  }
-  return true;
-}
-
-bool CrossSiteResourceHandler::OnResponseCompleted(
-    int request_id,
-    const net::URLRequestStatus& status,
-    const std::string& security_info) {
-  if (!in_cross_site_transition_) {
-    if (has_started_response_) {
-      // We've already completed the transition, so just pass it through.
-      return next_handler_->OnResponseCompleted(request_id, status,
-                                                security_info);
-    } else {
-      // An error occured, we should wait now for the cross-site transition,
-      // so that the error message (e.g., 404) can be displayed to the user.
-      // Also continue with the logic below to remember that we completed
-      // during the cross-site transition.
-      GlobalRequestID global_id(render_process_host_id_, request_id);
-      StartCrossSiteTransition(request_id, NULL, global_id);
-    }
-  }
-
-  // We have to buffer the call until after the transition completes.
-  completed_during_transition_ = true;
-  completed_status_ = status;
-  completed_security_info_ = security_info;
-
-  // Return false to tell RDH not to notify the world or clean up the
-  // pending request.  We will do so in ResumeResponse.
-  return false;
-}
-
-void CrossSiteResourceHandler::OnRequestClosed() {
-  next_handler_->OnRequestClosed();
-}
-
-// We can now send the response to the new renderer, which will cause
-// TabContents to swap in the new renderer and destroy the old one.
-void CrossSiteResourceHandler::ResumeResponse() {
-  DCHECK(request_id_ != -1);
-  DCHECK(in_cross_site_transition_);
-  in_cross_site_transition_ = false;
-
-  // Find the request for this response.
-  GlobalRequestID global_id(render_process_host_id_, request_id_);
-  net::URLRequest* request = rdh_->GetURLRequest(global_id);
-  if (!request) {
-    DLOG(WARNING) << "Resuming a request that wasn't found";
-    return;
-  }
-
-  if (has_started_response_) {
-    // Send OnResponseStarted to the new renderer.
-    DCHECK(response_);
-    next_handler_->OnResponseStarted(request_id_, response_);
-
-    // Unpause the request to resume reading.  Any further reads will be
-    // directed toward the new renderer.
-    rdh_->PauseRequest(render_process_host_id_, request_id_, false);
-  }
-
-  // Remove ourselves from the ExtraRequestInfo.
-  ResourceDispatcherHostRequestInfo* info =
-      ResourceDispatcherHost::InfoForRequest(request);
-  info->set_cross_site_handler(NULL);
-
-  // If the response completed during the transition, notify the next
-  // event handler.
-  if (completed_during_transition_) {
-    next_handler_->OnResponseCompleted(request_id_, completed_status_,
-                                       completed_security_info_);
-
-    // Since we didn't notify the world or clean up the pending request in
-    // RDH::OnResponseCompleted during the transition, we should do it now.
-    rdh_->NotifyResponseCompleted(request, render_process_host_id_);
-    rdh_->RemovePendingRequest(render_process_host_id_, request_id_);
-  }
-}
-
-CrossSiteResourceHandler::~CrossSiteResourceHandler() {}
-
-// Prepare to render the cross-site response in a new RenderViewHost, by
-// telling the old RenderViewHost to run its onunload handler.
-void CrossSiteResourceHandler::StartCrossSiteTransition(
-    int request_id,
-    ResourceResponse* response,
-    const GlobalRequestID& global_id) {
-  in_cross_site_transition_ = true;
-  request_id_ = request_id;
-  response_ = response;
-
-  // Store this handler on the ExtraRequestInfo, so that RDH can call our
-  // ResumeResponse method when the close ACK is received.
-  net::URLRequest* request = rdh_->GetURLRequest(global_id);
-  if (!request) {
-    DLOG(WARNING) << "Cross site response for a request that wasn't found";
-    return;
-  }
-  ResourceDispatcherHostRequestInfo* info =
-      ResourceDispatcherHost::InfoForRequest(request);
-  info->set_cross_site_handler(this);
-
-  if (has_started_response_) {
-    // Pause the request until the old renderer is finished and the new
-    // renderer is ready.
-    rdh_->PauseRequest(render_process_host_id_, request_id, true);
-  }
-  // If our OnResponseStarted wasn't called, then we're being called by
-  // OnResponseCompleted after a failure.  We don't need to pause, because
-  // there will be no reads.
-
-  // Tell the tab responsible for this request that a cross-site response is
-  // starting, so that it can tell its old renderer to run its onunload
-  // handler now.  We will wait to hear the corresponding ClosePage_ACK.
-  CallRenderViewHostRendererManagementDelegate(
-      render_process_host_id_, render_view_id_,
-      &RenderViewHostDelegate::RendererManagement::OnCrossSiteResponse,
-      render_process_host_id_, request_id);
-
-  // TODO(creis): If the above call should fail, then we need to notify the IO
-  // thread to proceed anyway, using ResourceDispatcherHost::OnClosePageACK.
-}