Make MountPointProvider pluggable from outside webkit/fileapi

webkit/fileapi/sandbox_quota_observer.cc

 // 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 "webkit/fileapi/sandbox_quota_observer.h"
 
 #include "base/sequenced_task_runner.h"
 #include "webkit/fileapi/file_system_url.h"
 #include "webkit/fileapi/file_system_usage_cache.h"
 #include "webkit/fileapi/file_system_util.h"
@@ skipping 11 matching lines @@
     : quota_manager_proxy_(quota_manager_proxy),
       update_notify_runner_(update_notify_runner),
       sandbox_file_util_(sandbox_file_util),
       file_system_usage_cache_(file_system_usage_cache),
       running_delayed_cache_update_(false),
       weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {}
 
 SandboxQuotaObserver::~SandboxQuotaObserver() {}
 
 void SandboxQuotaObserver::OnStartUpdate(const FileSystemURL& url) {
-  DCHECK(SandboxMountPointProvider::CanHandleType(url.type()));
+  DCHECK(SandboxMountPointProvider::IsSandboxType(url.type()));
   DCHECK(update_notify_runner_->RunsTasksOnCurrentThread());
   base::FilePath usage_file_path = GetUsageCachePath(url);
   if (usage_file_path.empty())
     return;
   file_system_usage_cache_->IncrementDirty(usage_file_path);
 }
 
 void SandboxQuotaObserver::OnUpdate(const FileSystemURL& url,
                                     int64 delta) {
-  DCHECK(SandboxMountPointProvider::CanHandleType(url.type()));
+  DCHECK(SandboxMountPointProvider::IsSandboxType(url.type()));
   DCHECK(update_notify_runner_->RunsTasksOnCurrentThread());
 
   if (quota_manager_proxy_) {
     quota_manager_proxy_->NotifyStorageModified(
         quota::QuotaClient::kFileSystem,
         url.origin(),
         FileSystemTypeToQuotaStorageType(url.type()),
         delta);
   }
 
   base::FilePath usage_file_path = GetUsageCachePath(url);
   if (usage_file_path.empty())
     return;
 
   pending_update_notification_[usage_file_path] += delta;
   if (!running_delayed_cache_update_) {
     update_notify_runner_->PostTask(FROM_HERE, base::Bind(
         &SandboxQuotaObserver::ApplyPendingUsageUpdate,
         weak_factory_.GetWeakPtr()));
     running_delayed_cache_update_ = true;
   }
 }
 
 void SandboxQuotaObserver::OnEndUpdate(const FileSystemURL& url) {
-  DCHECK(SandboxMountPointProvider::CanHandleType(url.type()));
+  DCHECK(SandboxMountPointProvider::IsSandboxType(url.type()));
   DCHECK(update_notify_runner_->RunsTasksOnCurrentThread());
 
   base::FilePath usage_file_path = GetUsageCachePath(url);
   if (usage_file_path.empty())
     return;
 
   PendingUpdateNotificationMap::iterator found =
       pending_update_notification_.find(usage_file_path);
   if (found != pending_update_notification_.end()) {
     UpdateUsageCacheFile(found->first, found->second);
     pending_update_notification_.erase(found);
   }
 
   file_system_usage_cache_->DecrementDirty(usage_file_path);
 }
 
 void SandboxQuotaObserver::OnAccess(const FileSystemURL& url) {
-  DCHECK(SandboxMountPointProvider::CanHandleType(url.type()));
+  DCHECK(SandboxMountPointProvider::IsSandboxType(url.type()));
   if (quota_manager_proxy_) {
     quota_manager_proxy_->NotifyStorageAccessed(
         quota::QuotaClient::kFileSystem,
         url.origin(),
         FileSystemTypeToQuotaStorageType(url.type()));
   }
 }
 
 base::FilePath SandboxQuotaObserver::GetUsageCachePath(
     const FileSystemURL& url) {
@@ skipping 23 matching lines @@
 
 void SandboxQuotaObserver::UpdateUsageCacheFile(
     const base::FilePath& usage_file_path,
     int64 delta) {
   DCHECK(!usage_file_path.empty());
   if (!usage_file_path.empty() && delta != 0)
     file_system_usage_cache_->AtomicUpdateUsageByDelta(usage_file_path, delta);
 }
 
 }  // namespace fileapi