Move storage-related files from webkit/ to new top-level directory storage/

storage/browser/fileapi/obfuscated_file_util.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/browser/fileapi/obfuscated_file_util.h"
+#include "storage/browser/fileapi/obfuscated_file_util.h"
 
 #include <queue>
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "url/gurl.h"
-#include "webkit/browser/fileapi/file_observers.h"
-#include "webkit/browser/fileapi/file_system_context.h"
-#include "webkit/browser/fileapi/file_system_operation_context.h"
-#include "webkit/browser/fileapi/file_system_url.h"
-#include "webkit/browser/fileapi/native_file_util.h"
-#include "webkit/browser/fileapi/sandbox_file_system_backend.h"
-#include "webkit/browser/fileapi/sandbox_isolated_origin_database.h"
-#include "webkit/browser/fileapi/sandbox_origin_database.h"
-#include "webkit/browser/fileapi/sandbox_prioritized_origin_database.h"
-#include "webkit/browser/fileapi/timed_task_helper.h"
-#include "webkit/browser/quota/quota_manager.h"
-#include "webkit/common/database/database_identifier.h"
-#include "webkit/common/fileapi/file_system_util.h"
+#include "storage/browser/fileapi/file_observers.h"
+#include "storage/browser/fileapi/file_system_context.h"
+#include "storage/browser/fileapi/file_system_operation_context.h"
+#include "storage/browser/fileapi/file_system_url.h"
+#include "storage/browser/fileapi/native_file_util.h"
+#include "storage/browser/fileapi/sandbox_file_system_backend.h"
+#include "storage/browser/fileapi/sandbox_isolated_origin_database.h"
+#include "storage/browser/fileapi/sandbox_origin_database.h"
+#include "storage/browser/fileapi/sandbox_prioritized_origin_database.h"
+#include "storage/browser/fileapi/timed_task_helper.h"
+#include "storage/browser/quota/quota_manager.h"
+#include "storage/common/database/database_identifier.h"
+#include "storage/common/fileapi/file_system_util.h"
 
 // Example of various paths:
 //   void ObfuscatedFileUtil::DoSomething(const FileSystemURL& url) {
 //     base::FilePath virtual_path = url.path();
 //     base::FilePath local_path = GetLocalFilePath(url);
 //
 //     NativeFileUtil::DoSomething(local_path);
 //     file_util::DoAnother(local_path);
 //  }
 
-namespace fileapi {
+namespace storage {
 
 namespace {
 
 typedef SandboxDirectoryDatabase::FileId FileId;
 typedef SandboxDirectoryDatabase::FileInfo FileInfo;
 
-void InitFileInfo(
-    SandboxDirectoryDatabase::FileInfo* file_info,
-    SandboxDirectoryDatabase::FileId parent_id,
-    const base::FilePath::StringType& file_name) {
+void InitFileInfo(SandboxDirectoryDatabase::FileInfo* file_info,
+                  SandboxDirectoryDatabase::FileId parent_id,
+                  const base::FilePath::StringType& file_name) {
   DCHECK(file_info);
   file_info->parent_id = parent_id;
   file_info->name = file_name;
 }
 
 // Costs computed as per crbug.com/86114, based on the LevelDB implementation of
 // path storage under Linux.  It's not clear if that will differ on Windows, on
 // which base::FilePath uses wide chars [since they're converted to UTF-8 for
 // storage anyway], but as long as the cost is high enough that one can't cheat
 // on quota by storing data in paths, it doesn't need to be all that accurate.
 const int64 kPathCreationQuotaCost = 146;  // Bytes per inode, basically.
 const int64 kPathByteQuotaCost = 2;  // Bytes per byte of path length in UTF-8.
 
 int64 UsageForPath(size_t length) {
   return kPathCreationQuotaCost +
-      static_cast<int64>(length) * kPathByteQuotaCost;
+         static_cast<int64>(length) * kPathByteQuotaCost;
 }
 
 bool AllocateQuota(FileSystemOperationContext* context, int64 growth) {
   if (context->allowed_bytes_growth() == quota::QuotaManager::kNoLimit)
     return true;
 
   int64 new_quota = context->allowed_bytes_growth() - growth;
   if (growth > 0 && new_quota < 0)
     return false;
   context->set_allowed_bytes_growth(new_quota);
   return true;
 }
 
-void UpdateUsage(
-    FileSystemOperationContext* context,
-    const FileSystemURL& url,
-    int64 growth) {
-  context->update_observers()->Notify(
-      &FileUpdateObserver::OnUpdate, MakeTuple(url, growth));
+void UpdateUsage(FileSystemOperationContext* context,
+                 const FileSystemURL& url,
+                 int64 growth) {
+  context->update_observers()->Notify(&FileUpdateObserver::OnUpdate,
+                                      MakeTuple(url, growth));
 }
 
 void TouchDirectory(SandboxDirectoryDatabase* db, FileId dir_id) {
   DCHECK(db);
   if (!db->UpdateModificationTime(dir_id, base::Time::Now()))
     NOTREACHED();
 }
 
 enum IsolatedOriginStatus {
   kIsolatedOriginMatch,
   kIsolatedOriginDontMatch,
   kIsolatedOriginStatusMax,
 };
 
 }  // namespace
 
 class ObfuscatedFileEnumerator
     : public FileSystemFileUtil::AbstractFileEnumerator {
  public:
-  ObfuscatedFileEnumerator(
-      SandboxDirectoryDatabase* db,
-      FileSystemOperationContext* context,
-      ObfuscatedFileUtil* obfuscated_file_util,
-      const FileSystemURL& root_url,
-      bool recursive)
+  ObfuscatedFileEnumerator(SandboxDirectoryDatabase* db,
+                           FileSystemOperationContext* context,
+                           ObfuscatedFileUtil* obfuscated_file_util,
+                           const FileSystemURL& root_url,
+                           bool recursive)
       : db_(db),
         context_(context),
         obfuscated_file_util_(obfuscated_file_util),
         root_url_(root_url),
         recursive_(recursive),
         current_file_id_(0) {
     base::FilePath root_virtual_path = root_url.path();
     FileId file_id;
 
     if (!db_->GetFileWithPath(root_virtual_path, &file_id))
       return;
 
-    FileRecord record = { file_id, root_virtual_path };
+    FileRecord record = {file_id, root_virtual_path};
     recurse_queue_.push(record);
   }
 
   virtual ~ObfuscatedFileEnumerator() {}
 
   virtual base::FilePath Next() OVERRIDE {
     ProcessRecurseQueue();
     if (display_stack_.empty())
       return base::FilePath();
 
     current_file_id_ = display_stack_.back();
     display_stack_.pop_back();
 
     FileInfo file_info;
     base::FilePath platform_file_path;
     base::File::Error error =
-        obfuscated_file_util_->GetFileInfoInternal(
-            db_, context_, root_url_, current_file_id_,
-            &file_info, &current_platform_file_info_, &platform_file_path);
+        obfuscated_file_util_->GetFileInfoInternal(db_,
+                                                   context_,
+                                                   root_url_,
+                                                   current_file_id_,
+                                                   &file_info,
+                                                   &current_platform_file_info_,
+                                                   &platform_file_path);
     if (error != base::File::FILE_OK)
       return Next();
 
     base::FilePath virtual_path =
         current_parent_virtual_path_.Append(file_info.name);
     if (recursive_ && file_info.is_directory()) {
-      FileRecord record = { current_file_id_, virtual_path };
+      FileRecord record = {current_file_id_, virtual_path};
       recurse_queue_.push(record);
     }
     return virtual_path;
   }
 
-  virtual int64 Size() OVERRIDE {
-    return current_platform_file_info_.size;
-  }
+  virtual int64 Size() OVERRIDE { return current_platform_file_info_.size; }
 
   virtual base::Time LastModifiedTime() OVERRIDE {
     return current_platform_file_info_.last_modified;
   }
 
   virtual bool IsDirectory() OVERRIDE {
     return current_platform_file_info_.is_directory;
   }
 
  private:
@@ skipping 28 matching lines @@
   base::FilePath current_parent_virtual_path_;
 
   FileId current_file_id_;
   base::File::Info current_platform_file_info_;
 };
 
 class ObfuscatedOriginEnumerator
     : public ObfuscatedFileUtil::AbstractOriginEnumerator {
  public:
   typedef SandboxOriginDatabase::OriginRecord OriginRecord;
-  ObfuscatedOriginEnumerator(
-      SandboxOriginDatabaseInterface* origin_database,
-      const base::FilePath& base_file_path)
+  ObfuscatedOriginEnumerator(SandboxOriginDatabaseInterface* origin_database,
+                             const base::FilePath& base_file_path)
       : base_file_path_(base_file_path) {
     if (origin_database)
       origin_database->ListAllOrigins(&origins_);
   }
 
   virtual ~ObfuscatedOriginEnumerator() {}
 
   // Returns the next origin.  Returns empty if there are no more origins.
   virtual GURL Next() OVERRIDE {
     OriginRecord record;
@@ skipping 39 matching lines @@
       file_task_runner_(file_task_runner),
       get_type_string_for_url_(get_type_string_for_url),
       known_type_strings_(known_type_strings),
       sandbox_delegate_(sandbox_delegate) {
 }
 
 ObfuscatedFileUtil::~ObfuscatedFileUtil() {
   DropDatabases();
 }
 
-base::File ObfuscatedFileUtil::CreateOrOpen(
-    FileSystemOperationContext* context,
-    const FileSystemURL& url, int file_flags) {
+base::File ObfuscatedFileUtil::CreateOrOpen(FileSystemOperationContext* context,
+                                            const FileSystemURL& url,
+                                            int file_flags) {
   base::File file = CreateOrOpenInternal(context, url, file_flags);
   if (file.IsValid() && file_flags & base::File::FLAG_WRITE &&
       context->quota_limit_type() == quota::kQuotaLimitTypeUnlimited &&
       sandbox_delegate_) {
     sandbox_delegate_->StickyInvalidateUsageCache(url.origin(), url.type());
   }
   return file.Pass();
 }
 
 base::File::Error ObfuscatedFileUtil::EnsureFileExists(
@@ skipping 15 matching lines @@
       return base::File::FILE_ERROR_NOT_A_FILE;
     if (created)
       *created = false;
     return base::File::FILE_OK;
   }
   FileId parent_id;
   if (!db->GetFileWithPath(VirtualPath::DirName(url.path()), &parent_id))
     return base::File::FILE_ERROR_NOT_FOUND;
 
   FileInfo file_info;
-  InitFileInfo(&file_info, parent_id,
-               VirtualPath::BaseName(url.path()).value());
+  InitFileInfo(
+      &file_info, parent_id, VirtualPath::BaseName(url.path()).value());
 
   int64 growth = UsageForPath(file_info.name.size());
   if (!AllocateQuota(context, growth))
     return base::File::FILE_ERROR_NO_SPACE;
-  base::File::Error error = CreateFile(context, base::FilePath(), url,
-                                       &file_info);
+  base::File::Error error =
+      CreateFile(context, base::FilePath(), url, &file_info);
   if (created && base::File::FILE_OK == error) {
     *created = true;
     UpdateUsage(context, url, growth);
-    context->change_observers()->Notify(
-        &FileChangeObserver::OnCreateFile, MakeTuple(url));
+    context->change_observers()->Notify(&FileChangeObserver::OnCreateFile,
+                                        MakeTuple(url));
   }
   return error;
 }
 
 base::File::Error ObfuscatedFileUtil::CreateDirectory(
     FileSystemOperationContext* context,
     const FileSystemURL& url,
     bool exclusive,
     bool recursive) {
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(url, true);
@@ skipping 37 matching lines @@
       continue;
     file_info.modification_time = base::Time::Now();
     file_info.parent_id = parent_id;
     int64 growth = UsageForPath(file_info.name.size());
     if (!AllocateQuota(context, growth))
       return base::File::FILE_ERROR_NO_SPACE;
     base::File::Error error = db->AddFileInfo(file_info, &parent_id);
     if (error != base::File::FILE_OK)
       return error;
     UpdateUsage(context, url, growth);
-    context->change_observers()->Notify(
-        &FileChangeObserver::OnCreateDirectory, MakeTuple(url));
+    context->change_observers()->Notify(&FileChangeObserver::OnCreateDirectory,
+                                        MakeTuple(url));
     if (first) {
       first = false;
       TouchDirectory(db, file_info.parent_id);
     }
   }
   return base::File::FILE_OK;
 }
 
 base::File::Error ObfuscatedFileUtil::GetFileInfo(
     FileSystemOperationContext* context,
     const FileSystemURL& url,
     base::File::Info* file_info,
     base::FilePath* platform_file_path) {
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(url, false);
   if (!db)
     return base::File::FILE_ERROR_NOT_FOUND;
   FileId file_id;
   if (!db->GetFileWithPath(url.path(), &file_id))
     return base::File::FILE_ERROR_NOT_FOUND;
   FileInfo local_info;
-  return GetFileInfoInternal(db, context, url,
-                             file_id, &local_info,
-                             file_info, platform_file_path);
+  return GetFileInfoInternal(
+      db, context, url, file_id, &local_info, file_info, platform_file_path);
 }
 
 scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator>
-    ObfuscatedFileUtil::CreateFileEnumerator(
-    FileSystemOperationContext* context,
-    const FileSystemURL& root_url) {
+ObfuscatedFileUtil::CreateFileEnumerator(FileSystemOperationContext* context,
+                                         const FileSystemURL& root_url) {
   return CreateFileEnumerator(context, root_url, false /* recursive */);
 }
 
 base::File::Error ObfuscatedFileUtil::GetLocalFilePath(
     FileSystemOperationContext* context,
     const FileSystemURL& url,
     base::FilePath* local_path) {
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(url, false);
   if (!db)
     return base::File::FILE_ERROR_NOT_FOUND;
@@ skipping 28 matching lines @@
   FileInfo file_info;
   if (!db->GetFileInfo(file_id, &file_info)) {
     NOTREACHED();
     return base::File::FILE_ERROR_FAILED;
   }
   if (file_info.is_directory()) {
     if (!db->UpdateModificationTime(file_id, last_modified_time))
       return base::File::FILE_ERROR_FAILED;
     return base::File::FILE_OK;
   }
-  return NativeFileUtil::Touch(
-      DataPathToLocalPath(url, file_info.data_path),
-      last_access_time, last_modified_time);
+  return NativeFileUtil::Touch(DataPathToLocalPath(url, file_info.data_path),
+                               last_access_time,
+                               last_modified_time);
 }
 
 base::File::Error ObfuscatedFileUtil::Truncate(
     FileSystemOperationContext* context,
     const FileSystemURL& url,
     int64 length) {
   base::File::Info file_info;
   base::FilePath local_path;
-  base::File::Error error =
-      GetFileInfo(context, url, &file_info, &local_path);
+  base::File::Error error = GetFileInfo(context, url, &file_info, &local_path);
   if (error != base::File::FILE_OK)
     return error;
 
   int64 growth = length - file_info.size;
   if (!AllocateQuota(context, growth))
     return base::File::FILE_ERROR_NO_SPACE;
   error = NativeFileUtil::Truncate(local_path, length);
   if (error == base::File::FILE_OK) {
     UpdateUsage(context, url, growth);
-    context->change_observers()->Notify(
-        &FileChangeObserver::OnModifyFile, MakeTuple(url));
+    context->change_observers()->Notify(&FileChangeObserver::OnModifyFile,
+                                        MakeTuple(url));
   }
   return error;
 }
 
 base::File::Error ObfuscatedFileUtil::CopyOrMoveFile(
     FileSystemOperationContext* context,
     const FileSystemURL& src_url,
     const FileSystemURL& dest_url,
     CopyOrMoveOption option,
     bool copy) {
   // Cross-filesystem copies and moves should be handled via CopyInForeignFile.
   DCHECK(src_url.origin() == dest_url.origin());
   DCHECK(src_url.type() == dest_url.type());
 
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(src_url, true);
   if (!db)
     return base::File::FILE_ERROR_FAILED;
 
   FileId src_file_id;
   if (!db->GetFileWithPath(src_url.path(), &src_file_id))
     return base::File::FILE_ERROR_NOT_FOUND;
 
   FileId dest_file_id;
-  bool overwrite = db->GetFileWithPath(dest_url.path(),
-                                       &dest_file_id);
+  bool overwrite = db->GetFileWithPath(dest_url.path(), &dest_file_id);
 
   FileInfo src_file_info;
   base::File::Info src_platform_file_info;
   base::FilePath src_local_path;
-  base::File::Error error = GetFileInfoInternal(
-      db, context, src_url, src_file_id,
-      &src_file_info, &src_platform_file_info, &src_local_path);
+  base::File::Error error = GetFileInfoInternal(db,
+                                                context,
+                                                src_url,
+                                                src_file_id,
+                                                &src_file_info,
+                                                &src_platform_file_info,
+                                                &src_local_path);
   if (error != base::File::FILE_OK)
     return error;
   if (src_file_info.is_directory())
     return base::File::FILE_ERROR_NOT_A_FILE;
 
   FileInfo dest_file_info;
   base::File::Info dest_platform_file_info;  // overwrite case only
-  base::FilePath dest_local_path;  // overwrite case only
+  base::FilePath dest_local_path;            // overwrite case only
   if (overwrite) {
-    base::File::Error error = GetFileInfoInternal(
-        db, context, dest_url, dest_file_id,
-        &dest_file_info, &dest_platform_file_info, &dest_local_path);
+    base::File::Error error = GetFileInfoInternal(db,
+                                                  context,
+                                                  dest_url,
+                                                  dest_file_id,
+                                                  &dest_file_info,
+                                                  &dest_platform_file_info,
+                                                  &dest_local_path);
     if (error == base::File::FILE_ERROR_NOT_FOUND)
       overwrite = false;  // fallback to non-overwrite case
     else if (error != base::File::FILE_OK)
       return error;
     else if (dest_file_info.is_directory())
       return base::File::FILE_ERROR_INVALID_OPERATION;
   }
   if (!overwrite) {
     FileId dest_parent_id;
     if (!db->GetFileWithPath(VirtualPath::DirName(dest_url.path()),
                              &dest_parent_id)) {
       return base::File::FILE_ERROR_NOT_FOUND;
     }
 
     dest_file_info = src_file_info;
     dest_file_info.parent_id = dest_parent_id;
-    dest_file_info.name =
-        VirtualPath::BaseName(dest_url.path()).value();
+    dest_file_info.name = VirtualPath::BaseName(dest_url.path()).value();
   }
 
   int64 growth = 0;
   if (copy)
     growth += src_platform_file_info.size;
   else
     growth -= UsageForPath(src_file_info.name.size());
   if (overwrite)
     growth -= dest_platform_file_info.size;
   else
@@ skipping 15 matching lines @@
    * Move-without-overwrite
    *  Just update metadata
    */
   error = base::File::FILE_ERROR_FAILED;
   if (copy) {
     if (overwrite) {
       error = NativeFileUtil::CopyOrMoveFile(
           src_local_path,
           dest_local_path,
           option,
-          fileapi::NativeFileUtil::CopyOrMoveModeForDestination(
+          storage::NativeFileUtil::CopyOrMoveModeForDestination(
               dest_url, true /* copy */));
     } else {  // non-overwrite
       error = CreateFile(context, src_local_path, dest_url, &dest_file_info);
     }
   } else {
     if (overwrite) {
       if (db->OverwritingMoveFile(src_file_id, dest_file_id)) {
-        if (base::File::FILE_OK !=
-            NativeFileUtil::DeleteFile(dest_local_path))
+        if (base::File::FILE_OK != NativeFileUtil::DeleteFile(dest_local_path))
           LOG(WARNING) << "Leaked a backing file.";
         error = base::File::FILE_OK;
       } else {
         error = base::File::FILE_ERROR_FAILED;
       }
     } else {  // non-overwrite
       if (db->UpdateFileInfo(src_file_id, dest_file_info))
         error = base::File::FILE_OK;
       else
         error = base::File::FILE_ERROR_FAILED;
     }
   }
 
   if (error != base::File::FILE_OK)
     return error;
 
   if (overwrite) {
-    context->change_observers()->Notify(
-        &FileChangeObserver::OnModifyFile,
-        MakeTuple(dest_url));
+    context->change_observers()->Notify(&FileChangeObserver::OnModifyFile,
+                                        MakeTuple(dest_url));
   } else {
-    context->change_observers()->Notify(
-        &FileChangeObserver::OnCreateFileFrom,
-        MakeTuple(dest_url, src_url));
+    context->change_observers()->Notify(&FileChangeObserver::OnCreateFileFrom,
+                                        MakeTuple(dest_url, src_url));
   }
 
   if (!copy) {
-    context->change_observers()->Notify(
-        &FileChangeObserver::OnRemoveFile, MakeTuple(src_url));
+    context->change_observers()->Notify(&FileChangeObserver::OnRemoveFile,
+                                        MakeTuple(src_url));
     TouchDirectory(db, src_file_info.parent_id);
   }
 
   TouchDirectory(db, dest_file_info.parent_id);
 
   UpdateUsage(context, dest_url, growth);
   return error;
 }
 
 base::File::Error ObfuscatedFileUtil::CopyInForeignFile(
     FileSystemOperationContext* context,
     const base::FilePath& src_file_path,
     const FileSystemURL& dest_url) {
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(dest_url, true);
   if (!db)
     return base::File::FILE_ERROR_FAILED;
 
   base::File::Info src_platform_file_info;
   if (!base::GetFileInfo(src_file_path, &src_platform_file_info))
     return base::File::FILE_ERROR_NOT_FOUND;
 
   FileId dest_file_id;
-  bool overwrite = db->GetFileWithPath(dest_url.path(),
-                                       &dest_file_id);
+  bool overwrite = db->GetFileWithPath(dest_url.path(), &dest_file_id);
 
   FileInfo dest_file_info;
   base::File::Info dest_platform_file_info;  // overwrite case only
   if (overwrite) {
     base::FilePath dest_local_path;
-    base::File::Error error = GetFileInfoInternal(
-        db, context, dest_url, dest_file_id,
-        &dest_file_info, &dest_platform_file_info, &dest_local_path);
+    base::File::Error error = GetFileInfoInternal(db,
+                                                  context,
+                                                  dest_url,
+                                                  dest_file_id,
+                                                  &dest_file_info,
+                                                  &dest_platform_file_info,
+                                                  &dest_local_path);
     if (error == base::File::FILE_ERROR_NOT_FOUND)
       overwrite = false;  // fallback to non-overwrite case
     else if (error != base::File::FILE_OK)
       return error;
     else if (dest_file_info.is_directory())
       return base::File::FILE_ERROR_INVALID_OPERATION;
   }
   if (!overwrite) {
     FileId dest_parent_id;
     if (!db->GetFileWithPath(VirtualPath::DirName(dest_url.path()),
                              &dest_parent_id)) {
       return base::File::FILE_ERROR_NOT_FOUND;
     }
     if (!dest_file_info.is_directory())
       return base::File::FILE_ERROR_FAILED;
-    InitFileInfo(&dest_file_info, dest_parent_id,
+    InitFileInfo(&dest_file_info,
+                 dest_parent_id,
                  VirtualPath::BaseName(dest_url.path()).value());
   }
 
   int64 growth = src_platform_file_info.size;
   if (overwrite)
     growth -= dest_platform_file_info.size;
   else
     growth += UsageForPath(dest_file_info.name.size());
   if (!AllocateQuota(context, growth))
     return base::File::FILE_ERROR_NO_SPACE;
 
   base::File::Error error;
   if (overwrite) {
     base::FilePath dest_local_path =
         DataPathToLocalPath(dest_url, dest_file_info.data_path);
     error = NativeFileUtil::CopyOrMoveFile(
-        src_file_path, dest_local_path,
+        src_file_path,
+        dest_local_path,
         FileSystemOperation::OPTION_NONE,
-        fileapi::NativeFileUtil::CopyOrMoveModeForDestination(dest_url,
+        storage::NativeFileUtil::CopyOrMoveModeForDestination(dest_url,
                                                               true /* copy */));
   } else {
     error = CreateFile(context, src_file_path, dest_url, &dest_file_info);
   }
 
   if (error != base::File::FILE_OK)
     return error;
 
   if (overwrite) {
-    context->change_observers()->Notify(
-        &FileChangeObserver::OnModifyFile, MakeTuple(dest_url));
+    context->change_observers()->Notify(&FileChangeObserver::OnModifyFile,
+                                        MakeTuple(dest_url));
   } else {
-    context->change_observers()->Notify(
-        &FileChangeObserver::OnCreateFile, MakeTuple(dest_url));
+    context->change_observers()->Notify(&FileChangeObserver::OnCreateFile,
+                                        MakeTuple(dest_url));
   }
 
   UpdateUsage(context, dest_url, growth);
   TouchDirectory(db, dest_file_info.parent_id);
   return base::File::FILE_OK;
 }
 
 base::File::Error ObfuscatedFileUtil::DeleteFile(
     FileSystemOperationContext* context,
     const FileSystemURL& url) {
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(url, true);
   if (!db)
     return base::File::FILE_ERROR_FAILED;
   FileId file_id;
   if (!db->GetFileWithPath(url.path(), &file_id))
     return base::File::FILE_ERROR_NOT_FOUND;
 
   FileInfo file_info;
   base::File::Info platform_file_info;
   base::FilePath local_path;
   base::File::Error error = GetFileInfoInternal(
       db, context, url, file_id, &file_info, &platform_file_info, &local_path);
-  if (error != base::File::FILE_ERROR_NOT_FOUND &&
-      error != base::File::FILE_OK)
+  if (error != base::File::FILE_ERROR_NOT_FOUND && error != base::File::FILE_OK)
     return error;
 
   if (file_info.is_directory())
     return base::File::FILE_ERROR_NOT_A_FILE;
 
   int64 growth = -UsageForPath(file_info.name.size()) - platform_file_info.size;
   AllocateQuota(context, growth);
   if (!db->RemoveFileInfo(file_id)) {
     NOTREACHED();
     return base::File::FILE_ERROR_FAILED;
   }
   UpdateUsage(context, url, growth);
   TouchDirectory(db, file_info.parent_id);
 
-  context->change_observers()->Notify(
-      &FileChangeObserver::OnRemoveFile, MakeTuple(url));
+  context->change_observers()->Notify(&FileChangeObserver::OnRemoveFile,
+                                      MakeTuple(url));
 
   if (error == base::File::FILE_ERROR_NOT_FOUND)
     return base::File::FILE_OK;
 
   error = NativeFileUtil::DeleteFile(local_path);
   if (base::File::FILE_OK != error)
     LOG(WARNING) << "Leaked a backing file.";
   return base::File::FILE_OK;
 }
 
@@ skipping 13 matching lines @@
     return base::File::FILE_ERROR_FAILED;
   }
   if (!file_info.is_directory())
     return base::File::FILE_ERROR_NOT_A_DIRECTORY;
   if (!db->RemoveFileInfo(file_id))
     return base::File::FILE_ERROR_NOT_EMPTY;
   int64 growth = -UsageForPath(file_info.name.size());
   AllocateQuota(context, growth);
   UpdateUsage(context, url, growth);
   TouchDirectory(db, file_info.parent_id);
-  context->change_observers()->Notify(
-      &FileChangeObserver::OnRemoveDirectory, MakeTuple(url));
+  context->change_observers()->Notify(&FileChangeObserver::OnRemoveDirectory,
+                                      MakeTuple(url));
   return base::File::FILE_OK;
 }
 
-webkit_blob::ScopedFile ObfuscatedFileUtil::CreateSnapshotFile(
+storage::ScopedFile ObfuscatedFileUtil::CreateSnapshotFile(
     FileSystemOperationContext* context,
     const FileSystemURL& url,
     base::File::Error* error,
     base::File::Info* file_info,
     base::FilePath* platform_path) {
   // We're just returning the local file information.
   *error = GetFileInfo(context, url, file_info, platform_path);
   if (*error == base::File::FILE_OK && file_info->is_directory) {
     *file_info = base::File::Info();
     *error = base::File::FILE_ERROR_NOT_A_FILE;
   }
-  return webkit_blob::ScopedFile();
+  return storage::ScopedFile();
 }
 
 scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator>
-    ObfuscatedFileUtil::CreateFileEnumerator(
-    FileSystemOperationContext* context,
-    const FileSystemURL& root_url,
-    bool recursive) {
+ObfuscatedFileUtil::CreateFileEnumerator(FileSystemOperationContext* context,
+                                         const FileSystemURL& root_url,
+                                         bool recursive) {
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(root_url, false);
   if (!db) {
     return scoped_ptr<AbstractFileEnumerator>(new EmptyFileEnumerator());
   }
   return scoped_ptr<AbstractFileEnumerator>(
       new ObfuscatedFileEnumerator(db, context, this, root_url, recursive));
 }
 
-bool ObfuscatedFileUtil::IsDirectoryEmpty(
-    FileSystemOperationContext* context,
-    const FileSystemURL& url) {
+bool ObfuscatedFileUtil::IsDirectoryEmpty(FileSystemOperationContext* context,
+                                          const FileSystemURL& url) {
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(url, false);
   if (!db)
     return true;  // Not a great answer, but it's what others do.
   FileId file_id;
   if (!db->GetFileWithPath(url.path(), &file_id))
     return true;  // Ditto.
   FileInfo file_info;
   if (!db->GetFileInfo(file_id, &file_info)) {
     DCHECK(!file_id);
     // It's the root directory and the database hasn't been initialized yet.
@@ skipping 15 matching lines @@
     base::File::Error* error_code) {
   base::FilePath origin_dir = GetDirectoryForOrigin(origin, create, error_code);
   if (origin_dir.empty())
     return base::FilePath();
   if (type_string.empty())
     return origin_dir;
   base::FilePath path = origin_dir.AppendASCII(type_string);
   base::File::Error error = base::File::FILE_OK;
   if (!base::DirectoryExists(path) &&
       (!create || !base::CreateDirectory(path))) {
-    error = create ?
-          base::File::FILE_ERROR_FAILED :
-          base::File::FILE_ERROR_NOT_FOUND;
+    error = create ? base::File::FILE_ERROR_FAILED
+                   : base::File::FILE_ERROR_NOT_FOUND;
   }
 
   if (error_code)
     *error_code = error;
   return path;
 }
 
 bool ObfuscatedFileUtil::DeleteDirectoryForOriginAndType(
     const GURL& origin,
     const std::string& type_string) {
   base::File::Error error = base::File::FILE_OK;
-  base::FilePath origin_type_path = GetDirectoryForOriginAndType(
-      origin, type_string, false, &error);
+  base::FilePath origin_type_path =
+      GetDirectoryForOriginAndType(origin, type_string, false, &error);
   if (origin_type_path.empty())
     return true;
   if (error != base::File::FILE_ERROR_NOT_FOUND) {
     // TODO(dmikurube): Consider the return value of DestroyDirectoryDatabase.
     // We ignore its error now since 1) it doesn't matter the final result, and
     // 2) it always returns false in Windows because of LevelDB's
     // implementation.
     // Information about failure would be useful for debugging.
     if (!type_string.empty())
       DestroyDirectoryDatabase(origin, type_string);
@@ skipping 31 matching lines @@
     return false;
 
   return true;
 }
 
 ObfuscatedFileUtil::AbstractOriginEnumerator*
 ObfuscatedFileUtil::CreateOriginEnumerator() {
   std::vector<SandboxOriginDatabase::OriginRecord> origins;
 
   InitOriginDatabase(GURL(), false);
-  return new ObfuscatedOriginEnumerator(
-      origin_database_.get(), file_system_directory_);
+  return new ObfuscatedOriginEnumerator(origin_database_.get(),
+                                        file_system_directory_);
 }
 
 bool ObfuscatedFileUtil::DestroyDirectoryDatabase(
     const GURL& origin,
     const std::string& type_string) {
   std::string key = GetDirectoryDatabaseKey(origin, type_string);
   if (key.empty())
     return true;
   DirectoryMap::iterator iter = directories_.find(key);
   if (iter != directories_.end()) {
     SandboxDirectoryDatabase* database = iter->second;
     directories_.erase(iter);
     delete database;
   }
 
   base::File::Error error = base::File::FILE_OK;
-  base::FilePath path = GetDirectoryForOriginAndType(
-      origin, type_string, false, &error);
+  base::FilePath path =
+      GetDirectoryForOriginAndType(origin, type_string, false, &error);
   if (path.empty() || error == base::File::FILE_ERROR_NOT_FOUND)
     return true;
   return SandboxDirectoryDatabase::DestroyDatabase(path, env_override_);
 }
 
 // static
 int64 ObfuscatedFileUtil::ComputeFilePathCost(const base::FilePath& path) {
   return UsageForPath(VirtualPath::BaseName(path).value().size());
 }
 
 void ObfuscatedFileUtil::MaybePrepopulateDatabase(
     const std::vector<std::string>& type_strings_to_prepopulate) {
   SandboxPrioritizedOriginDatabase database(file_system_directory_,
                                             env_override_);
   std::string origin_string = database.GetPrimaryOrigin();
   if (origin_string.empty() || !database.HasOriginPath(origin_string))
     return;
   const GURL origin = webkit_database::GetOriginFromIdentifier(origin_string);
 
   // Prepopulate the directory database(s) if and only if this instance
   // has primary origin and the directory database is already there.
   for (size_t i = 0; i < type_strings_to_prepopulate.size(); ++i) {
     const std::string type_string = type_strings_to_prepopulate[i];
     // Only handles known types.
     if (!ContainsKey(known_type_strings_, type_string))
       continue;
     base::File::Error error = base::File::FILE_ERROR_FAILED;
-    base::FilePath path = GetDirectoryForOriginAndType(
-        origin, type_string, false, &error);
+    base::FilePath path =
+        GetDirectoryForOriginAndType(origin, type_string, false, &error);
     if (error != base::File::FILE_OK)
       continue;
     scoped_ptr<SandboxDirectoryDatabase> db(
         new SandboxDirectoryDatabase(path, env_override_));
     if (db->Init(SandboxDirectoryDatabase::FAIL_ON_CORRUPTION)) {
       directories_[GetDirectoryDatabaseKey(origin, type_string)] = db.release();
       MarkUsed();
       // Don't populate more than one database, as it may rather hurt
       // performance.
       break;
@@ skipping 38 matching lines @@
     file_info->is_directory = true;
     file_info->is_symbolic_link = false;
     file_info->last_modified = local_info->modification_time;
     *platform_file_path = base::FilePath();
     // We don't fill in ctime or atime.
     return base::File::FILE_OK;
   }
   if (local_info->data_path.empty())
     return base::File::FILE_ERROR_INVALID_OPERATION;
   base::FilePath local_path = DataPathToLocalPath(url, local_info->data_path);
-  base::File::Error error = NativeFileUtil::GetFileInfo(
-      local_path, file_info);
+  base::File::Error error = NativeFileUtil::GetFileInfo(local_path, file_info);
   // We should not follow symbolic links in sandboxed file system.
   if (base::IsLink(local_path)) {
     LOG(WARNING) << "Found a symbolic file.";
     error = base::File::FILE_ERROR_NOT_FOUND;
   }
   if (error == base::File::FILE_OK) {
     *platform_file_path = local_path;
   } else if (error == base::File::FILE_ERROR_NOT_FOUND) {
     LOG(WARNING) << "Lost a backing file.";
     InvalidateUsageCache(context, url.origin(), url.type());
     if (!db->RemoveFileInfo(file_id))
       return base::File::FILE_ERROR_FAILED;
   }
   return error;
 }
 
 base::File ObfuscatedFileUtil::CreateAndOpenFile(
     FileSystemOperationContext* context,
     const FileSystemURL& dest_url,
-    FileInfo* dest_file_info, int file_flags) {
+    FileInfo* dest_file_info,
+    int file_flags) {
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(dest_url, true);
 
   base::FilePath root, dest_local_path;
-  base::File::Error error = GenerateNewLocalPath(db, context, dest_url, &root,
-                                                 &dest_local_path);
+  base::File::Error error =
+      GenerateNewLocalPath(db, context, dest_url, &root, &dest_local_path);
   if (error != base::File::FILE_OK)
     return base::File(error);
 
   if (base::PathExists(dest_local_path)) {
     if (!base::DeleteFile(dest_local_path, true /* recursive */))
       return base::File(base::File::FILE_ERROR_FAILED);
     LOG(WARNING) << "A stray file detected";
     InvalidateUsageCache(context, dest_url.origin(), dest_url.type());
   }
 
@@ skipping 18 matching lines @@
 }
 
 base::File::Error ObfuscatedFileUtil::CreateFile(
     FileSystemOperationContext* context,
     const base::FilePath& src_file_path,
     const FileSystemURL& dest_url,
     FileInfo* dest_file_info) {
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(dest_url, true);
 
   base::FilePath root, dest_local_path;
-  base::File::Error error = GenerateNewLocalPath(db, context, dest_url, &root,
-                                                 &dest_local_path);
+  base::File::Error error =
+      GenerateNewLocalPath(db, context, dest_url, &root, &dest_local_path);
   if (error != base::File::FILE_OK)
     return error;
 
   bool created = false;
   if (src_file_path.empty()) {
     if (base::PathExists(dest_local_path)) {
       if (!base::DeleteFile(dest_local_path, true /* recursive */))
         return base::File::FILE_ERROR_FAILED;
       LOG(WARNING) << "A stray file detected";
       InvalidateUsageCache(context, dest_url.origin(), dest_url.type());
     }
 
     error = NativeFileUtil::EnsureFileExists(dest_local_path, &created);
   } else {
     error = NativeFileUtil::CopyOrMoveFile(
-        src_file_path, dest_local_path,
+        src_file_path,
+        dest_local_path,
         FileSystemOperation::OPTION_NONE,
-        fileapi::NativeFileUtil::CopyOrMoveModeForDestination(dest_url,
+        storage::NativeFileUtil::CopyOrMoveModeForDestination(dest_url,
                                                               true /* copy */));
     created = true;
   }
   if (error != base::File::FILE_OK)
     return error;
   if (!created)
     return base::File::FILE_ERROR_FAILED;
 
   return CommitCreateFile(root, dest_local_path, db, dest_file_info);
 }
 
 base::File::Error ObfuscatedFileUtil::CommitCreateFile(
     const base::FilePath& root,
     const base::FilePath& local_path,
     SandboxDirectoryDatabase* db,
     FileInfo* dest_file_info) {
   // This removes the root, including the trailing slash, leaving a relative
   // path.
-  dest_file_info->data_path = base::FilePath(
-      local_path.value().substr(root.value().length() + 1));
+  dest_file_info->data_path =
+      base::FilePath(local_path.value().substr(root.value().length() + 1));
 
   FileId file_id;
   base::File::Error error = db->AddFileInfo(*dest_file_info, &file_id);
   if (error != base::File::FILE_OK)
     return error;
 
   TouchDirectory(db, dest_file_info->parent_id);
   return base::File::FILE_OK;
 }
 
 base::FilePath ObfuscatedFileUtil::DataPathToLocalPath(
-    const FileSystemURL& url, const base::FilePath& data_path) {
+    const FileSystemURL& url,
+    const base::FilePath& data_path) {
   base::File::Error error = base::File::FILE_OK;
   base::FilePath root = GetDirectoryForURL(url, false, &error);
   if (error != base::File::FILE_OK)
     return base::FilePath();
   return root.Append(data_path);
 }
 
 std::string ObfuscatedFileUtil::GetDirectoryDatabaseKey(
-    const GURL& origin, const std::string& type_string) {
+    const GURL& origin,
+    const std::string& type_string) {
   if (type_string.empty()) {
     LOG(WARNING) << "Unknown filesystem type requested:" << type_string;
     return std::string();
   }
   // For isolated origin we just use a type string as a key.
-  return webkit_database::GetIdentifierFromOrigin(origin) +
-      type_string;
+  return webkit_database::GetIdentifierFromOrigin(origin) + type_string;
 }
 
 // TODO(ericu): How to do the whole validation-without-creation thing?
 // We may not have quota even to create the database.
 // Ah, in that case don't even get here?
 // Still doesn't answer the quota issue, though.
 SandboxDirectoryDatabase* ObfuscatedFileUtil::GetDirectoryDatabase(
-    const FileSystemURL& url, bool create) {
-  std::string key = GetDirectoryDatabaseKey(
-      url.origin(), CallGetTypeStringForURL(url));
+    const FileSystemURL& url,
+    bool create) {
+  std::string key =
+      GetDirectoryDatabaseKey(url.origin(), CallGetTypeStringForURL(url));
   if (key.empty())
     return NULL;
 
   DirectoryMap::iterator iter = directories_.find(key);
   if (iter != directories_.end()) {
     MarkUsed();
     return iter->second;
   }
 
   base::File::Error error = base::File::FILE_OK;
   base::FilePath path = GetDirectoryForURL(url, create, &error);
   if (error != base::File::FILE_OK) {
-    LOG(WARNING) << "Failed to get origin+type directory: "
-                 << url.DebugString() << " error:" << error;
+    LOG(WARNING) << "Failed to get origin+type directory: " << url.DebugString()
+                 << " error:" << error;
     return NULL;
   }
   MarkUsed();
   SandboxDirectoryDatabase* database =
       new SandboxDirectoryDatabase(path, env_override_);
   directories_[key] = database;
   return database;
 }
 
 base::FilePath ObfuscatedFileUtil::GetDirectoryForOrigin(
-    const GURL& origin, bool create, base::File::Error* error_code) {
+    const GURL& origin,
+    bool create,
+    base::File::Error* error_code) {
   if (!InitOriginDatabase(origin, create)) {
     if (error_code) {
-      *error_code = create ?
-          base::File::FILE_ERROR_FAILED :
-          base::File::FILE_ERROR_NOT_FOUND;
+      *error_code = create ? base::File::FILE_ERROR_FAILED
+                           : base::File::FILE_ERROR_NOT_FOUND;
     }
     return base::FilePath();
   }
   base::FilePath directory_name;
   std::string id = webkit_database::GetIdentifierFromOrigin(origin);
 
   bool exists_in_db = origin_database_->HasOriginPath(id);
   if (!exists_in_db && !create) {
     if (error_code)
       *error_code = base::File::FILE_ERROR_NOT_FOUND;
@@ skipping 12 matching lines @@
       if (error_code)
         *error_code = base::File::FILE_ERROR_FAILED;
       return base::FilePath();
     }
     exists_in_fs = false;
   }
 
   if (!exists_in_fs) {
     if (!create || !base::CreateDirectory(path)) {
       if (error_code)
-        *error_code = create ?
-            base::File::FILE_ERROR_FAILED :
-            base::File::FILE_ERROR_NOT_FOUND;
+        *error_code = create ? base::File::FILE_ERROR_FAILED
+                             : base::File::FILE_ERROR_NOT_FOUND;
       return base::FilePath();
     }
   }
 
   if (error_code)
     *error_code = base::File::FILE_OK;
 
   return path;
 }
 
 void ObfuscatedFileUtil::InvalidateUsageCache(
     FileSystemOperationContext* context,
     const GURL& origin,
     FileSystemType type) {
   if (sandbox_delegate_)
     sandbox_delegate_->InvalidateUsageCache(origin, type);
 }
 
 void ObfuscatedFileUtil::MarkUsed() {
   if (!timer_)
     timer_.reset(new TimedTaskHelper(file_task_runner_.get()));
 
   if (timer_->IsRunning()) {
     timer_->Reset();
   } else {
-    timer_->Start(FROM_HERE,
-                  base::TimeDelta::FromSeconds(db_flush_delay_seconds_),
-                  base::Bind(&ObfuscatedFileUtil::DropDatabases,
-                             base::Unretained(this)));
+    timer_->Start(
+        FROM_HERE,
+        base::TimeDelta::FromSeconds(db_flush_delay_seconds_),
+        base::Bind(&ObfuscatedFileUtil::DropDatabases, base::Unretained(this)));
   }
 }
 
 void ObfuscatedFileUtil::DropDatabases() {
   origin_database_.reset();
-  STLDeleteContainerPairSecondPointers(
-      directories_.begin(), directories_.end());
+  STLDeleteContainerPairSecondPointers(directories_.begin(),
+                                       directories_.end());
   directories_.clear();
   timer_.reset();
 }
 
 bool ObfuscatedFileUtil::InitOriginDatabase(const GURL& origin_hint,
                                             bool create) {
   if (origin_database_)
     return true;
 
   if (!create && !base::DirectoryExists(file_system_directory_))
     return false;
   if (!base::CreateDirectory(file_system_directory_)) {
-    LOG(WARNING) << "Failed to create FileSystem directory: " <<
-        file_system_directory_.value();
+    LOG(WARNING) << "Failed to create FileSystem directory: "
+                 << file_system_directory_.value();
     return false;
   }
 
   SandboxPrioritizedOriginDatabase* prioritized_origin_database =
       new SandboxPrioritizedOriginDatabase(file_system_directory_,
                                            env_override_);
   origin_database_.reset(prioritized_origin_database);
 
   if (origin_hint.is_empty() || !HasIsolatedStorage(origin_hint))
     return true;
 
   const std::string isolated_origin_string =
       webkit_database::GetIdentifierFromOrigin(origin_hint);
 
   // TODO(kinuko): Deprecate this after a few release cycles, e.g. around M33.
   base::FilePath isolated_origin_dir = file_system_directory_.Append(
       SandboxIsolatedOriginDatabase::kObsoleteOriginDirectory);
   if (base::DirectoryExists(isolated_origin_dir) &&
       prioritized_origin_database->GetSandboxOriginDatabase()) {
     SandboxIsolatedOriginDatabase::MigrateBackFromObsoleteOriginDatabase(
         isolated_origin_string,
         file_system_directory_,
         prioritized_origin_database->GetSandboxOriginDatabase());
   }
 
-  prioritized_origin_database->InitializePrimaryOrigin(
-      isolated_origin_string);
+  prioritized_origin_database->InitializePrimaryOrigin(isolated_origin_string);
 
   return true;
 }
 
 base::File::Error ObfuscatedFileUtil::GenerateNewLocalPath(
     SandboxDirectoryDatabase* db,
     FileSystemOperationContext* context,
     const FileSystemURL& url,
     base::FilePath* root,
     base::FilePath* local_path) {
   DCHECK(local_path);
   int64 number;
   if (!db || !db->GetNextInteger(&number))
     return base::File::FILE_ERROR_FAILED;
 
   base::File::Error error = base::File::FILE_OK;
   *root = GetDirectoryForURL(url, false, &error);
   if (error != base::File::FILE_OK)
     return error;
 
   // We use the third- and fourth-to-last digits as the directory.
   int64 directory_number = number % 10000 / 100;
-  base::FilePath new_local_path = root->AppendASCII(
-      base::StringPrintf("%02" PRId64, directory_number));
+  base::FilePath new_local_path =
+      root->AppendASCII(base::StringPrintf("%02" PRId64, directory_number));
 
   error = NativeFileUtil::CreateDirectory(
       new_local_path, false /* exclusive */, false /* recursive */);
   if (error != base::File::FILE_OK)
     return error;
 
   *local_path =
       new_local_path.AppendASCII(base::StringPrintf("%08" PRId64, number));
   return base::File::FILE_OK;
 }
 
 base::File ObfuscatedFileUtil::CreateOrOpenInternal(
     FileSystemOperationContext* context,
-    const FileSystemURL& url, int file_flags) {
-  DCHECK(!(file_flags & (base::File::FLAG_DELETE_ON_CLOSE |
-        base::File::FLAG_HIDDEN | base::File::FLAG_EXCLUSIVE_READ |
-        base::File::FLAG_EXCLUSIVE_WRITE)));
+    const FileSystemURL& url,
+    int file_flags) {
+  DCHECK(
+      !(file_flags &
+        (base::File::FLAG_DELETE_ON_CLOSE | base::File::FLAG_HIDDEN |
+         base::File::FLAG_EXCLUSIVE_READ | base::File::FLAG_EXCLUSIVE_WRITE)));
   SandboxDirectoryDatabase* db = GetDirectoryDatabase(url, true);
   if (!db)
     return base::File(base::File::FILE_ERROR_FAILED);
   FileId file_id;
   if (!db->GetFileWithPath(url.path(), &file_id)) {
     // The file doesn't exist.
-    if (!(file_flags & (base::File::FLAG_CREATE |
-        base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_OPEN_ALWAYS))) {
+    if (!(file_flags &
+          (base::File::FLAG_CREATE | base::File::FLAG_CREATE_ALWAYS |
+           base::File::FLAG_OPEN_ALWAYS))) {
       return base::File(base::File::FILE_ERROR_NOT_FOUND);
     }
     FileId parent_id;
     if (!db->GetFileWithPath(VirtualPath::DirName(url.path()), &parent_id))
       return base::File(base::File::FILE_ERROR_NOT_FOUND);
     FileInfo file_info;
-    InitFileInfo(&file_info, parent_id,
-                 VirtualPath::BaseName(url.path()).value());
+    InitFileInfo(
+        &file_info, parent_id, VirtualPath::BaseName(url.path()).value());
 
     int64 growth = UsageForPath(file_info.name.size());
     if (!AllocateQuota(context, growth))
       return base::File(base::File::FILE_ERROR_NO_SPACE);
     base::File file = CreateAndOpenFile(context, url, &file_info, file_flags);
     if (file.IsValid()) {
       UpdateUsage(context, url, growth);
-      context->change_observers()->Notify(
-          &FileChangeObserver::OnCreateFile, MakeTuple(url));
+      context->change_observers()->Notify(&FileChangeObserver::OnCreateFile,
+                                          MakeTuple(url));
     }
     return file.Pass();
   }
 
   if (file_flags & base::File::FLAG_CREATE)
     return base::File(base::File::FILE_ERROR_EXISTS);
 
   base::File::Info platform_file_info;
   base::FilePath local_path;
   FileInfo file_info;
   base::File::Error error = GetFileInfoInternal(
       db, context, url, file_id, &file_info, &platform_file_info, &local_path);
   if (error != base::File::FILE_OK)
     return base::File(error);
   if (file_info.is_directory())
     return base::File(base::File::FILE_ERROR_NOT_A_FILE);
 
   int64 delta = 0;
-  if (file_flags & (base::File::FLAG_CREATE_ALWAYS |
-                    base::File::FLAG_OPEN_TRUNCATED)) {
+  if (file_flags &
+      (base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_OPEN_TRUNCATED)) {
     // The file exists and we're truncating.
     delta = -platform_file_info.size;
     AllocateQuota(context, delta);
   }
 
   base::File file = NativeFileUtil::CreateOrOpen(local_path, file_flags);
   if (!file.IsValid()) {
     error = file.error_details();
     if (error == base::File::FILE_ERROR_NOT_FOUND) {
       // TODO(tzik): Also invalidate on-memory usage cache in UsageTracker.
       // TODO(tzik): Delete database entry after ensuring the file lost.
       InvalidateUsageCache(context, url.origin(), url.type());
       LOG(WARNING) << "Lost a backing file.";
       return base::File(base::File::FILE_ERROR_FAILED);
     }
     return file.Pass();
   }
 
   // If truncating we need to update the usage.
   if (delta) {
     UpdateUsage(context, url, delta);
-    context->change_observers()->Notify(
-        &FileChangeObserver::OnModifyFile, MakeTuple(url));
+    context->change_observers()->Notify(&FileChangeObserver::OnModifyFile,
+                                        MakeTuple(url));
   }
   return file.Pass();
 }
 
 bool ObfuscatedFileUtil::HasIsolatedStorage(const GURL& origin) {
   return special_storage_policy_.get() &&
-      special_storage_policy_->HasIsolatedStorage(origin);
+         special_storage_policy_->HasIsolatedStorage(origin);
 }
 
-}  // namespace fileapi
+}  // namespace storage