Rename the drive: scheme with the externalfile: scheme.

chrome/browser/chromeos/drive/drive_url_request_job.h

-// Copyright 2013 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.
-
-#ifndef CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_URL_REQUEST_JOB_H_
-#define CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_URL_REQUEST_JOB_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/chromeos/drive/file_errors.h"
-#include "net/base/net_errors.h"
-#include "net/http/http_byte_range.h"
-#include "net/url_request/url_request_job.h"
-#include "storage/browser/blob/file_stream_reader.h"
-#include "storage/browser/fileapi/file_system_url.h"
-
-namespace net {
-class IOBuffer;
-class NetworkDelegate;
-class URLRequest;
-}  // namespace net
-
-namespace drive {
-
-// DriveURLRequestJob is the gateway between network-level drive:...
-// requests for drive resources and FileSystem.  It exposes content URLs
-// formatted as drive:<drive-file-path>.
-// The methods should be run on IO thread.
-class DriveURLRequestJob : public net::URLRequestJob {
- public:
-  typedef base::Callback<void(
-      net::Error,
-      const scoped_refptr<storage::FileSystemContext>& file_system_context,
-      const storage::FileSystemURL& file_system_url,
-      const std::string& mime_type)> DelegateCallback;
-
-  DriveURLRequestJob(void* profile_id,
-                     net::URLRequest* request,
-                     net::NetworkDelegate* network_delegate);
-
-  // net::URLRequestJob overrides:
-  virtual void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers)
-      OVERRIDE;
-  virtual void Start() OVERRIDE;
-  virtual void Kill() OVERRIDE;
-  virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
-  virtual bool IsRedirectResponse(
-      GURL* location, int* http_status_code) OVERRIDE;
-  virtual bool ReadRawData(
-      net::IOBuffer* buf, int buf_size, int* bytes_read) OVERRIDE;
-
- protected:
-  virtual ~DriveURLRequestJob();
-
- private:
-  // Called from a delegete helper on the UI thread.
-  void OnDelegateResultObtained(
-      net::Error error,
-      const scoped_refptr<storage::FileSystemContext>& file_system_context,
-      const storage::FileSystemURL& file_system_url,
-      const std::string& mime_type);
-
-  // Called from FileSystemBackend::GetRedirectURLForContents.
-  void OnRedirectURLObtained(const GURL& redirect_url);
-
-  // Called from DriveURLRequestJob::OnFileInfoObtained.
-  void OnFileInfoObtained(base::File::Error result,
-                          const base::File::Info& file_info);
-
-  // Called when DriveFileStreamReader::Read is completed.
-  void OnReadCompleted(int read_result);
-
-  void* const profile_id_;
-
-  // The range of the file to be returned.
-  net::HttpByteRange byte_range_;
-  int64 remaining_bytes_;
-
-  scoped_refptr<storage::FileSystemContext> file_system_context_;
-  storage::FileSystemURL file_system_url_;
-  std::string mime_type_;
-  scoped_ptr<storage::FileStreamReader> stream_reader_;
-  GURL redirect_url_;
-
-  // This should remain the last member so it'll be destroyed first and
-  // invalidate its weak pointers before other members are destroyed.
-  base::WeakPtrFactory<DriveURLRequestJob> weak_ptr_factory_;
-  DISALLOW_COPY_AND_ASSIGN(DriveURLRequestJob);
-};
-
-}  // namespace drive
-
-#endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_URL_REQUEST_JOB_H_