[Sync] Move //sync to //components/sync.

sync/internal_api/public/attachments/attachment_downloader_impl.h

Index: sync/internal_api/public/attachments/attachment_downloader_impl.h
diff --git a/sync/internal_api/public/attachments/attachment_downloader_impl.h b/sync/internal_api/public/attachments/attachment_downloader_impl.h
deleted file mode 100644
index d4fbc97d2a458d1b03e86f4ed68da7f0c18828a5..0000000000000000000000000000000000000000
--- a/sync/internal_api/public/attachments/attachment_downloader_impl.h
+++ /dev/null
@@ -1,133 +0,0 @@
-// Copyright 2014 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 SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_DOWNLOADER_IMPL_H_
-#define SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_DOWNLOADER_IMPL_H_
-
-#include <stdint.h>
-
-#include <string>
-#include <unordered_map>
-#include <vector>
-
-#include "base/gtest_prod_util.h"
-#include "base/macros.h"
-#include "base/threading/non_thread_safe.h"
-#include "google_apis/gaia/oauth2_token_service_request.h"
-#include "net/url_request/url_fetcher_delegate.h"
-#include "net/url_request/url_request_context_getter.h"
-#include "sync/internal_api/public/attachments/attachment_downloader.h"
-#include "sync/internal_api/public/base/model_type.h"
-#include "url/gurl.h"
-
-namespace base {
-class RefCountedMemory;
-}  // namespace base
-
-namespace net {
-class HttpResponseHeaders;
-}  // namespace net
-
-namespace syncer {
-
-// An implementation of AttachmentDownloader.
-class AttachmentDownloaderImpl : public AttachmentDownloader,
-                                 public OAuth2TokenService::Consumer,
-                                 public net::URLFetcherDelegate,
-                                 public base::NonThreadSafe {
- public:
-  // |sync_service_url| is the URL of the sync service.
-  //
-  // |url_request_context_getter| provides a URLRequestContext.
-  //
-  // |account_id| is the account id to use for downloads.
-  //
-  // |scopes| is the set of scopes to use for downloads.
-  //
-  // |token_service_provider| provides an OAuth2 token service.
-  //
-  // |store_birthday| is the raw, sync store birthday.
-  //
-  // |model_type| is the model type this downloader is used with.
-  AttachmentDownloaderImpl(
-      const GURL& sync_service_url,
-      const scoped_refptr<net::URLRequestContextGetter>&
-          url_request_context_getter,
-      const std::string& account_id,
-      const OAuth2TokenService::ScopeSet& scopes,
-      const scoped_refptr<OAuth2TokenServiceRequest::TokenServiceProvider>&
-          token_service_provider,
-      const std::string& store_birthday,
-      ModelType model_type);
-  ~AttachmentDownloaderImpl() override;
-
-  // AttachmentDownloader implementation.
-  void DownloadAttachment(const AttachmentId& attachment_id,
-                          const DownloadCallback& callback) override;
-
-  // OAuth2TokenService::Consumer implementation.
-  void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
-                         const std::string& access_token,
-                         const base::Time& expiration_time) override;
-  void OnGetTokenFailure(const OAuth2TokenService::Request* request,
-                         const GoogleServiceAuthError& error) override;
-
-  // net::URLFetcherDelegate implementation.
-  void OnURLFetchComplete(const net::URLFetcher* source) override;
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(AttachmentDownloaderImplTest,
-                           ExtractCrc32c_NoHeaders);
-  FRIEND_TEST_ALL_PREFIXES(AttachmentDownloaderImplTest, ExtractCrc32c_First);
-  FRIEND_TEST_ALL_PREFIXES(AttachmentDownloaderImplTest, ExtractCrc32c_TooLong);
-  FRIEND_TEST_ALL_PREFIXES(AttachmentDownloaderImplTest, ExtractCrc32c_None);
-  FRIEND_TEST_ALL_PREFIXES(AttachmentDownloaderImplTest, ExtractCrc32c_Empty);
-
-  struct DownloadState;
-  typedef std::string AttachmentUrl;
-  typedef std::unordered_map<AttachmentUrl, std::unique_ptr<DownloadState>>
-      StateMap;
-  typedef std::vector<DownloadState*> StateList;
-
-  std::unique_ptr<net::URLFetcher> CreateFetcher(
-      const AttachmentUrl& url,
-      const std::string& access_token);
-  void RequestAccessToken(DownloadState* download_state);
-  void ReportResult(
-      const DownloadState& download_state,
-      const DownloadResult& result,
-      const scoped_refptr<base::RefCountedString>& attachment_data);
-
-  // Extract the crc32c from an X-Goog-Hash header in |headers|.
-  //
-  // Return true if a crc32c was found and useable for checking data integrity.
-  // "Usable" means headers are present, there is "x-goog-hash" header with
-  // "crc32c" hash in it, this hash is correctly base64 encoded 32 bit integer.
-  SYNC_EXPORT static bool ExtractCrc32c(const net::HttpResponseHeaders* headers,
-                                        uint32_t* crc32c);
-
-  GURL sync_service_url_;
-  scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;
-
-  std::string account_id_;
-  OAuth2TokenService::ScopeSet oauth2_scopes_;
-  scoped_refptr<OAuth2TokenServiceRequest::TokenServiceProvider>
-      token_service_provider_;
-  std::unique_ptr<OAuth2TokenService::Request> access_token_request_;
-  std::string raw_store_birthday_;
-
-  StateMap state_map_;
-  // |requests_waiting_for_access_token_| only keeps references to DownloadState
-  // objects while access token request is pending. It doesn't control objects'
-  // lifetime.
-  StateList requests_waiting_for_access_token_;
-
-  ModelType model_type_;
-
-  DISALLOW_COPY_AND_ASSIGN(AttachmentDownloaderImpl);
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_DOWNLOADER_IMPL_H_