Move browsing_data_helper files into a separate directory.

chrome/browser/browsing_data_file_system_helper.cc

Index: chrome/browser/browsing_data_file_system_helper.cc
diff --git a/chrome/browser/browsing_data_file_system_helper.cc b/chrome/browser/browsing_data_file_system_helper.cc
deleted file mode 100644
index 2f4e2ed5e3e78a13753e2b2b23b39f3bd0063d0b..0000000000000000000000000000000000000000
--- a/chrome/browser/browsing_data_file_system_helper.cc
+++ /dev/null
@@ -1,283 +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/browsing_data_file_system_helper.h"
-
-#include "base/bind.h"
-#include "base/compiler_specific.h"
-#include "base/file_util.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop.h"
-#include "base/string_util.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/browsing_data_helper.h"
-#include "chrome/browser/profiles/profile.h"
-#include "content/public/browser/browser_thread.h"
-#include "webkit/fileapi/file_system_context.h"
-#include "webkit/fileapi/file_system_quota_util.h"
-#include "webkit/fileapi/file_system_types.h"
-#include "webkit/fileapi/sandbox_mount_point_provider.h"
-
-using content::BrowserContext;
-using content::BrowserThread;
-
-namespace {
-
-// An implementation of the BrowsingDataFileSystemHelper interface that pulls
-// data from a given |profile| and returns a list of FileSystemInfo items to a
-// client.
-class BrowsingDataFileSystemHelperImpl : public BrowsingDataFileSystemHelper {
- public:
-  // BrowsingDataFileSystemHelper implementation
-  explicit BrowsingDataFileSystemHelperImpl(Profile* profile);
-  virtual void StartFetching(const base::Callback<
-      void(const std::list<FileSystemInfo>&)>& callback) OVERRIDE;
-  virtual void DeleteFileSystemOrigin(const GURL& origin) OVERRIDE;
-
- private:
-  virtual ~BrowsingDataFileSystemHelperImpl();
-
-  // Enumerates all filesystem files, storing the resulting list into
-  // file_system_file_ for later use. This must be called on the FILE thread.
-  void FetchFileSystemInfoInFileThread();
-
-  // Triggers the success callback as the end of a StartFetching workflow. This
-  // must be called on the UI thread.
-  void NotifyOnUIThread();
-
-  // Deletes all file systems associated with |origin|. This must be called on
-  // the FILE thread.
-  void DeleteFileSystemOriginInFileThread(const GURL& origin);
-
-  // Keep a reference to the FileSystemContext object for the current profile
-  // for use on the FILE thread.
-  scoped_refptr<fileapi::FileSystemContext> filesystem_context_;
-
-  // Holds the current list of file systems returned to the client after
-  // StartFetching is called. Access to |file_system_info_| is triggered
-  // indirectly via the UI thread and guarded by |is_fetching_|. This means
-  // |file_system_info_| is only accessed while |is_fetching_| is true. The
-  // flag |is_fetching_| is only accessed on the UI thread. In the context of
-  // this class |file_system_info_| only mutates on the FILE thread.
-  std::list<FileSystemInfo> file_system_info_;
-
-  // Holds the callback passed in at the beginning of the StartFetching workflow
-  // so that it can be triggered via NotifyOnUIThread. This only mutates on the
-  // UI thread.
-  base::Callback<void(const std::list<FileSystemInfo>&)> completion_callback_;
-
-  // Indicates whether or not we're currently fetching information: set to true
-  // when StartFetching is called on the UI thread, and reset to false when
-  // NotifyOnUIThread triggers the success callback.
-  // This property only mutates on the UI thread.
-  bool is_fetching_;
-
-  DISALLOW_COPY_AND_ASSIGN(BrowsingDataFileSystemHelperImpl);
-};
-
-BrowsingDataFileSystemHelperImpl::BrowsingDataFileSystemHelperImpl(
-    Profile* profile)
-    : filesystem_context_(BrowserContext::GetFileSystemContext(profile)),
-      is_fetching_(false) {
-  DCHECK(filesystem_context_);
-}
-
-BrowsingDataFileSystemHelperImpl::~BrowsingDataFileSystemHelperImpl() {
-}
-
-void BrowsingDataFileSystemHelperImpl::StartFetching(
-    const base::Callback<void(const std::list<FileSystemInfo>&)>& callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(!is_fetching_);
-  DCHECK_EQ(false, callback.is_null());
-  is_fetching_ = true;
-  completion_callback_ = callback;
-  BrowserThread::PostTask(
-      BrowserThread::FILE, FROM_HERE,
-      base::Bind(
-          &BrowsingDataFileSystemHelperImpl::FetchFileSystemInfoInFileThread,
-          this));
-}
-
-void BrowsingDataFileSystemHelperImpl::DeleteFileSystemOrigin(
-    const GURL& origin) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  BrowserThread::PostTask(
-      BrowserThread::FILE, FROM_HERE,
-      base::Bind(
-          &BrowsingDataFileSystemHelperImpl::DeleteFileSystemOriginInFileThread,
-          this, origin));
-}
-
-void BrowsingDataFileSystemHelperImpl::FetchFileSystemInfoInFileThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  scoped_ptr<fileapi::SandboxMountPointProvider::OriginEnumerator>
-      origin_enumerator(filesystem_context_->
-          sandbox_provider()->CreateOriginEnumerator());
-
-  // We don't own this pointer; it's a magic singleton generated by the
-  // profile's FileSystemContext. Deleting it would be a bad idea.
-  fileapi::FileSystemQuotaUtil* quota_util =
-     filesystem_context_->GetQuotaUtil(fileapi::kFileSystemTypeTemporary);
-
-  GURL current;
-
-  while (!(current = origin_enumerator->Next()).is_empty()) {
-    if (!BrowsingDataHelper::HasWebScheme(current))
-      continue; // Non-websafe state is not considered browsing data.
-
-    // We can call these synchronous methods as we've already verified that
-    // we're running on the FILE thread.
-    int64 persistent_usage = quota_util->GetOriginUsageOnFileThread(
-        filesystem_context_, current,
-        fileapi::kFileSystemTypePersistent);
-    int64 temporary_usage = quota_util->GetOriginUsageOnFileThread(
-        filesystem_context_, current,
-        fileapi::kFileSystemTypeTemporary);
-    file_system_info_.push_back(
-        FileSystemInfo(
-            current,
-            origin_enumerator->HasFileSystemType(
-                fileapi::kFileSystemTypePersistent),
-            origin_enumerator->HasFileSystemType(
-                fileapi::kFileSystemTypeTemporary),
-            persistent_usage,
-            temporary_usage));
-  }
-
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&BrowsingDataFileSystemHelperImpl::NotifyOnUIThread, this));
-}
-
-void BrowsingDataFileSystemHelperImpl::NotifyOnUIThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(is_fetching_);
-  completion_callback_.Run(file_system_info_);
-  completion_callback_.Reset();
-  is_fetching_ = false;
-}
-
-void BrowsingDataFileSystemHelperImpl::DeleteFileSystemOriginInFileThread(
-    const GURL& origin) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  filesystem_context_->DeleteDataForOriginOnFileThread(origin);
-}
-
-}  // namespace
-
-BrowsingDataFileSystemHelper::FileSystemInfo::FileSystemInfo(
-    const GURL& origin,
-    bool has_persistent,
-    bool has_temporary,
-    int64 usage_persistent,
-    int64 usage_temporary)
-    : origin(origin),
-      has_persistent(has_persistent),
-      has_temporary(has_temporary),
-      usage_persistent(usage_persistent),
-      usage_temporary(usage_temporary) {
-}
-
-BrowsingDataFileSystemHelper::FileSystemInfo::~FileSystemInfo() {}
-
-// static
-BrowsingDataFileSystemHelper* BrowsingDataFileSystemHelper::Create(
-    Profile* profile) {
-  return new BrowsingDataFileSystemHelperImpl(profile);
-}
-
-CannedBrowsingDataFileSystemHelper::CannedBrowsingDataFileSystemHelper(
-    Profile* profile)
-    : is_fetching_(false) {
-}
-
-CannedBrowsingDataFileSystemHelper::CannedBrowsingDataFileSystemHelper()
-    : is_fetching_(false) {
-}
-
-CannedBrowsingDataFileSystemHelper::~CannedBrowsingDataFileSystemHelper() {}
-
-CannedBrowsingDataFileSystemHelper*
-    CannedBrowsingDataFileSystemHelper::Clone() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  CannedBrowsingDataFileSystemHelper* clone =
-      new CannedBrowsingDataFileSystemHelper();
-  // This list only mutates on the UI thread, so it's safe to work with it here
-  // (given the DCHECK above).
-  clone->file_system_info_ = file_system_info_;
-  return clone;
-}
-
-void CannedBrowsingDataFileSystemHelper::AddFileSystem(
-    const GURL& origin, const fileapi::FileSystemType type, const int64 size) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  // This canned implementation of AddFileSystem uses an O(n^2) algorithm; which
-  // is fine, as it isn't meant for use in a high-volume context. If it turns
-  // out that we want to start using this in a context with many, many origins,
-  // we should think about reworking the implementation.
-  bool duplicate_origin = false;
-  for (std::list<FileSystemInfo>::iterator
-           file_system = file_system_info_.begin();
-       file_system != file_system_info_.end();
-       ++file_system) {
-    if (file_system->origin == origin) {
-      if (type == fileapi::kFileSystemTypePersistent) {
-        file_system->has_persistent = true;
-        file_system->usage_persistent = size;
-      } else {
-        file_system->has_temporary = true;
-        file_system->usage_temporary = size;
-      }
-      duplicate_origin = true;
-      break;
-    }
-  }
-  if (duplicate_origin)
-    return;
-
-  if (!BrowsingDataHelper::HasWebScheme(origin))
-    return; // Non-websafe state is not considered browsing data.
-
-  file_system_info_.push_back(FileSystemInfo(
-      origin,
-      (type == fileapi::kFileSystemTypePersistent),
-      (type == fileapi::kFileSystemTypeTemporary),
-      (type == fileapi::kFileSystemTypePersistent) ? size : 0,
-      (type == fileapi::kFileSystemTypeTemporary) ? size : 0));
-}
-
-void CannedBrowsingDataFileSystemHelper::Reset() {
-  file_system_info_.clear();
-}
-
-bool CannedBrowsingDataFileSystemHelper::empty() const {
-  return file_system_info_.empty();
-}
-
-size_t CannedBrowsingDataFileSystemHelper::GetFileSystemCount() const {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  return file_system_info_.size();
-}
-
-void CannedBrowsingDataFileSystemHelper::StartFetching(
-    const base::Callback<void(const std::list<FileSystemInfo>&)>& callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(!is_fetching_);
-  DCHECK_EQ(false, callback.is_null());
-  is_fetching_ = true;
-  completion_callback_ = callback;
-
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&CannedBrowsingDataFileSystemHelper::NotifyOnUIThread, this));
-}
-
-void CannedBrowsingDataFileSystemHelper::NotifyOnUIThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(is_fetching_);
-  completion_callback_.Run(file_system_info_);
-  completion_callback_.Reset();
-  is_fetching_ = false;
-}