Move the core download files to content.

chrome/browser/download/download_request_handle.cc

-// 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 "chrome/browser/download/download_request_handle.h"
-
-#include "base/stringprintf.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/tab_contents/tab_util.h"
-#include "content/browser/browser_thread.h"
-#include "content/browser/renderer_host/resource_dispatcher_host.h"
-#include "content/browser/tab_contents/tab_contents.h"
-
-// IO Thread indirections to resource dispatcher host.
-// Provided as targets for PostTask from within this object
-// only.
-static void ResourceDispatcherHostPauseRequest(
-    ResourceDispatcherHost* rdh,
-    int process_unique_id,
-    int request_id,
-    bool pause) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  rdh->PauseRequest(process_unique_id, request_id, pause);
-}
-
-static void ResourceDispatcherHostCancelRequest(
-    ResourceDispatcherHost* rdh,
-    int process_unique_id,
-    int request_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  rdh->CancelRequest(process_unique_id, request_id, false);
-}
-
-DownloadRequestHandle::DownloadRequestHandle()
-    : rdh_(NULL),
-      child_id_(-1),
-      render_view_id_(-1),
-      request_id_(-1) {
-}
-
-DownloadRequestHandle::DownloadRequestHandle(ResourceDispatcherHost* rdh,
-                                             int child_id,
-                                             int render_view_id,
-                                             int request_id)
-    : rdh_(rdh),
-      child_id_(child_id),
-      render_view_id_(render_view_id),
-      request_id_(request_id) {
-  // ResourceDispatcherHost should not be null for non-default instances
-  // of DownloadRequestHandle.
-  DCHECK(rdh);
-}
-
-TabContents* DownloadRequestHandle::GetTabContents() const {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  return tab_util::GetTabContentsByID(child_id_, render_view_id_);
-}
-
-DownloadManager* DownloadRequestHandle::GetDownloadManager() const {
-  TabContents* contents = GetTabContents();
-  if (!contents)
-    return NULL;
-
-  content::BrowserContext* browser_context = contents->browser_context();
-  if (!browser_context)
-    return NULL;
-
-  return browser_context->GetDownloadManager();
-}
-
-void DownloadRequestHandle::PauseRequest() const {
-  // The post is safe because ResourceDispatcherHost is guaranteed
-  // to outlive the IO thread.
-  if (rdh_) {
-    BrowserThread::PostTask(
-        BrowserThread::IO, FROM_HERE,
-        NewRunnableFunction(&ResourceDispatcherHostPauseRequest,
-                            rdh_, child_id_, request_id_, true));
-  }
-}
-
-void DownloadRequestHandle::ResumeRequest() const {
-  // The post is safe because ResourceDispatcherHost is guaranteed
-  // to outlive the IO thread.
-  if (rdh_) {
-    BrowserThread::PostTask(
-        BrowserThread::IO, FROM_HERE,
-        NewRunnableFunction(&ResourceDispatcherHostPauseRequest,
-                            rdh_, child_id_, request_id_, false));
-  }
-}
-
-void DownloadRequestHandle::CancelRequest() const {
-  // The post is safe because ResourceDispatcherHost is guaranteed
-  // to outlive the IO thread.
-  if (rdh_) {
-    BrowserThread::PostTask(
-        BrowserThread::IO, FROM_HERE,
-        NewRunnableFunction(&ResourceDispatcherHostCancelRequest,
-                            rdh_, child_id_, request_id_));
-  }
-}
-
-std::string DownloadRequestHandle::DebugString() const {
-  return base::StringPrintf("{"
-                            " child_id = %d"
-                            " render_view_id = %d"
-                            " request_id = %d"
-                            "}",
-                            child_id_,
-                            render_view_id_,
-                            request_id_);
-}