file_manager: Move non-binding code to c/b/chromeos/file_manager

chrome/browser/chromeos/extensions/file_manager/file_watcher.cc

Index: chrome/browser/chromeos/extensions/file_manager/file_watcher.cc
diff --git a/chrome/browser/chromeos/extensions/file_manager/file_watcher.cc b/chrome/browser/chromeos/extensions/file_manager/file_watcher.cc
deleted file mode 100644
index 6f72071978c2368d93eccf31589ad199cfba97a1..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/extensions/file_manager/file_watcher.cc
+++ /dev/null
@@ -1,116 +0,0 @@
-// 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.
-
-#include "chrome/browser/chromeos/extensions/file_manager/file_watcher.h"
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop_proxy.h"
-#include "chrome/browser/google_apis/task_util.h"
-#include "content/public/browser/browser_thread.h"
-
-using content::BrowserThread;
-
-namespace file_manager {
-namespace {
-
-// Creates a base::FilePathWatcher and starts watching at |watch_path| with
-// |callback|. Returns NULL on failure.
-base::FilePathWatcher* CreateAndStartFilePathWatcher(
-    const base::FilePath& watch_path,
-    const base::FilePathWatcher::Callback& callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  DCHECK(!callback.is_null());
-
-  scoped_ptr<base::FilePathWatcher> watcher(new base::FilePathWatcher);
-  if (!watcher->Watch(watch_path, false /* recursive */, callback))
-    return NULL;
-
-  return watcher.release();
-}
-
-}  // namespace
-
-FileWatcher::FileWatcher(const base::FilePath& virtual_path)
-    : local_file_watcher_(NULL),
-      virtual_path_(virtual_path),
-      weak_ptr_factory_(this) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-}
-
-FileWatcher::~FileWatcher() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-
-  BrowserThread::DeleteSoon(BrowserThread::FILE,
-                            FROM_HERE,
-                            local_file_watcher_);
-}
-
-void FileWatcher::AddExtension(const std::string& extension_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-
-  extensions_[extension_id]++;
-}
-
-void FileWatcher::RemoveExtension(const std::string& extension_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-
-  ExtensionCountMap::iterator it = extensions_.find(extension_id);
-  if (it == extensions_.end()) {
-    LOG(ERROR) << " Extension [" << extension_id
-               << "] tries to unsubscribe from folder ["
-               << virtual_path_.value()
-               << "] it isn't subscribed";
-    return;
-  }
-
-  // If entry found - decrease it's count and remove if necessary
-  --it->second;
-  if (it->second == 0)
-    extensions_.erase(it);
-}
-
-std::vector<std::string> FileWatcher::GetExtensionIds() const {
-  std::vector<std::string> extension_ids;
-  for (ExtensionCountMap::const_iterator iter = extensions_.begin();
-       iter != extensions_.end(); ++iter) {
-    extension_ids.push_back(iter->first);
-  }
-  return extension_ids;
-}
-
-void FileWatcher::WatchLocalFile(
-    const base::FilePath& local_path,
-    const base::FilePathWatcher::Callback& file_watcher_callback,
-    const BoolCallback& callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(!callback.is_null());
-  DCHECK(!local_file_watcher_);
-
-  BrowserThread::PostTaskAndReplyWithResult(
-      BrowserThread::FILE,
-      FROM_HERE,
-      base::Bind(&CreateAndStartFilePathWatcher,
-                 local_path,
-                 google_apis::CreateRelayCallback(file_watcher_callback)),
-      base::Bind(&FileWatcher::OnWatcherStarted,
-                 weak_ptr_factory_.GetWeakPtr(),
-                 callback));
-}
-
-void FileWatcher::OnWatcherStarted(
-    const BoolCallback& callback,
-    base::FilePathWatcher* file_watcher) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(!callback.is_null());
-  DCHECK(!local_file_watcher_);
-
-  if (file_watcher) {
-    local_file_watcher_ = file_watcher;
-    callback.Run(true);
-  } else {
-    callback.Run(false);
-  }
-}
-
-}  // namespace file_manager