[WIP] Provided file system from NACL.

chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc

Index: chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc
diff --git a/chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc b/chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc
index a4e9a782d18497e646c6dbb005358227cb9b3fe6..dac0b6b3b49c8a8147f71f91b79fba115b3f8a74 100644
--- a/chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc
+++ b/chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc
@@ -42,7 +42,8 @@ BackendDelegate::~BackendDelegate() {}
 storage::AsyncFileUtil* BackendDelegate::GetAsyncFileUtil(
     storage::FileSystemType type) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  DCHECK_EQ(storage::kFileSystemTypeProvided, type);
+  DCHECK(storage::kFileSystemTypeProvided == type ||
+         storage::kFileSystemTypePluginProvided == type);
   return async_file_util_.get();
 }
 
@@ -53,7 +54,8 @@ scoped_ptr<storage::FileStreamReader> BackendDelegate::CreateFileStreamReader(
     const base::Time& expected_modification_time,
     storage::FileSystemContext* context) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  DCHECK_EQ(storage::kFileSystemTypeProvided, url.type());
+  DCHECK(storage::kFileSystemTypeProvided == url.type() ||
+         storage::kFileSystemTypePluginProvided == url.type());
 
   return scoped_ptr<storage::FileStreamReader>(new BufferingFileStreamReader(
       scoped_ptr<storage::FileStreamReader>(new FileStreamReader(
@@ -67,7 +69,8 @@ scoped_ptr<storage::FileStreamWriter> BackendDelegate::CreateFileStreamWriter(
     int64 offset,
     storage::FileSystemContext* context) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  DCHECK_EQ(storage::kFileSystemTypeProvided, url.type());
+  DCHECK(storage::kFileSystemTypeProvided == url.type() ||
+         storage::kFileSystemTypePluginProvided == url.type());
 
   return scoped_ptr<storage::FileStreamWriter>(new BufferingFileStreamWriter(
       scoped_ptr<storage::FileStreamWriter>(new FileStreamWriter(url, offset)),
@@ -77,7 +80,8 @@ scoped_ptr<storage::FileStreamWriter> BackendDelegate::CreateFileStreamWriter(
 storage::WatcherManager* BackendDelegate::GetWatcherManager(
     storage::FileSystemType type) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  DCHECK_EQ(storage::kFileSystemTypeProvided, type);
+  DCHECK(storage::kFileSystemTypeProvided == type ||
+         storage::kFileSystemTypePluginProvided == type);
   return watcher_manager_.get();
 }
 
@@ -85,7 +89,8 @@ void BackendDelegate::GetRedirectURLForContents(
     const storage::FileSystemURL& url,
     const storage::URLCallback& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  DCHECK_EQ(storage::kFileSystemTypeProvided, url.type());
+  DCHECK(storage::kFileSystemTypeProvided == url.type() ||
+         storage::kFileSystemTypePluginProvided == url.type() );
   callback.Run(GURL());
 }