[NaCl SDK] Expose Google Drive to nacl_io.

native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_pepper_interface_html5_fs.cc

Index: native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_pepper_interface_html5_fs.cc
diff --git a/native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_pepper_interface_html5_fs.cc b/native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_pepper_interface_html5_fs.cc
index c2b1b9bdf41f057046389f8c80944fe0229805c5..4ac8d3c115b3fe644e2d29474ba7bf9ab8b7a3aa 100644
--- a/native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_pepper_interface_html5_fs.cc
+++ b/native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_pepper_interface_html5_fs.cc
@@ -1,4 +1,4 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2016 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.
 
@@ -13,6 +13,14 @@
 
 #include "gtest/gtest.h"
 
+#include "fake_ppapi/fake_core_interface.h"
+#include "fake_ppapi/fake_filesystem.h"
+#include "fake_ppapi/fake_file_io_interface.h"
+#include "fake_ppapi/fake_file_ref_interface.h"
+#include "fake_ppapi/fake_file_system_interface.h"
+#include "fake_ppapi/fake_util.h"
+#include "fake_ppapi/fake_var_interface.h"
+
 namespace {
 
 class FakeInstanceResource : public FakeResource {
@@ -20,681 +28,11 @@ class FakeInstanceResource : public FakeResource {
   FakeInstanceResource() : filesystem_template(NULL) {}
   static const char* classname() { return "FakeInstanceResource"; }
 
-  FakeHtml5FsFilesystem* filesystem_template;  // Weak reference.
-};
-
-class FakeFileSystemResource : public FakeResource {
- public:
-  FakeFileSystemResource() : filesystem(NULL), opened(false) {}
-  ~FakeFileSystemResource() { delete filesystem; }
-  static const char* classname() { return "FakeFileSystemResource"; }
-
-  FakeHtml5FsFilesystem* filesystem;  // Owned.
-  bool opened;
-};
-
-class FakeFileRefResource : public FakeResource {
- public:
-  FakeFileRefResource() : filesystem(NULL) {}
-  static const char* classname() { return "FakeFileRefResource"; }
-
-  FakeHtml5FsFilesystem* filesystem;  // Weak reference.
-  FakeHtml5FsFilesystem::Path path;
-};
-
-class FakeFileIoResource : public FakeResource {
- public:
-  FakeFileIoResource() : node(NULL), open_flags(0) {}
-  static const char* classname() { return "FakeFileIoResource"; }
-
-  FakeHtml5FsNode* node;  // Weak reference.
-  int32_t open_flags;
+  FakeFilesystem* filesystem_template;  // Weak reference.
 };
 
-// Helper function to call the completion callback if it is defined (an
-// asynchronous call), or return the result directly if it isn't (a synchronous
-// call).
-//
-// Use like this:
-//   if (<some error condition>)
-//     return RunCompletionCallback(callback, PP_ERROR_FUBAR);
-//
-//   /* Everything worked OK */
-//   return RunCompletionCallback(callback, PP_OK);
-int32_t RunCompletionCallback(PP_CompletionCallback* callback, int32_t result) {
-  if (callback->func) {
-    PP_RunCompletionCallback(callback, result);
-    return PP_OK_COMPLETIONPENDING;
-  }
-  return result;
-}
-
 }  // namespace
 
-FakeHtml5FsNode::FakeHtml5FsNode(const PP_FileInfo& info) : info_(info) {}
-
-FakeHtml5FsNode::FakeHtml5FsNode(const PP_FileInfo& info,
-                                 const std::vector<uint8_t>& contents)
-    : info_(info), contents_(contents) {}
-
-FakeHtml5FsNode::FakeHtml5FsNode(const PP_FileInfo& info,
-                                 const std::string& contents)
-    : info_(info) {
-  std::copy(contents.begin(), contents.end(), std::back_inserter(contents_));
-}
-
-int32_t FakeHtml5FsNode::Read(int64_t offset,
-                              char* buffer,
-                              int32_t bytes_to_read) {
-  if (offset < 0)
-    return PP_ERROR_FAILED;
-
-  bytes_to_read =
-      std::max(0, std::min<int32_t>(bytes_to_read, contents_.size() - offset));
-  memcpy(buffer, contents_.data() + offset, bytes_to_read);
-  return bytes_to_read;
-}
-
-int32_t FakeHtml5FsNode::Write(int64_t offset,
-                               const char* buffer,
-                               int32_t bytes_to_write) {
-  if (offset < 0)
-    return PP_ERROR_FAILED;
-
-  size_t new_size = offset + bytes_to_write;
-  if (new_size > contents_.size())
-    contents_.resize(new_size);
-
-  memcpy(contents_.data() + offset, buffer, bytes_to_write);
-  info_.size = new_size;
-  return bytes_to_write;
-}
-
-int32_t FakeHtml5FsNode::Append(const char* buffer, int32_t bytes_to_write) {
-  return Write(contents_.size(), buffer, bytes_to_write);
-}
-
-int32_t FakeHtml5FsNode::SetLength(int64_t length) {
-  contents_.resize(length);
-  info_.size = length;
-  return PP_OK;
-}
-
-void FakeHtml5FsNode::GetInfo(PP_FileInfo* out_info) { *out_info = info_; }
-
-bool FakeHtml5FsNode::IsRegular() const {
-  return info_.type == PP_FILETYPE_REGULAR;
-}
-
-bool FakeHtml5FsNode::IsDirectory() const {
-  return info_.type == PP_FILETYPE_DIRECTORY;
-}
-
-FakeHtml5FsFilesystem::FakeHtml5FsFilesystem()
-    : filesystem_type_(PP_FILESYSTEMTYPE_INVALID) {
-  Clear();
-}
-
-FakeHtml5FsFilesystem::FakeHtml5FsFilesystem(PP_FileSystemType type)
-    : filesystem_type_(type) {
-  Clear();
-}
-
-FakeHtml5FsFilesystem::FakeHtml5FsFilesystem(
-    const FakeHtml5FsFilesystem& filesystem,
-    PP_FileSystemType type)
-    : node_map_(filesystem.node_map_), filesystem_type_(type) {}
-
-void FakeHtml5FsFilesystem::Clear() {
-  node_map_.clear();
-  // Always have a root node.
-  AddDirectory("/", NULL);
-}
-
-bool FakeHtml5FsFilesystem::AddEmptyFile(const Path& path,
-                                         FakeHtml5FsNode** out_node) {
-  return AddFile(path, std::vector<uint8_t>(), out_node);
-}
-
-bool FakeHtml5FsFilesystem::AddFile(const Path& path,
-                                    const std::string& contents,
-                                    FakeHtml5FsNode** out_node) {
-  std::vector<uint8_t> data;
-  std::copy(contents.begin(), contents.end(), std::back_inserter(data));
-  return AddFile(path, data, out_node);
-}
-
-bool FakeHtml5FsFilesystem::AddFile(const Path& path,
-                                    const std::vector<uint8_t>& contents,
-                                    FakeHtml5FsNode** out_node) {
-  NodeMap::iterator iter = node_map_.find(path);
-  if (iter != node_map_.end()) {
-    if (out_node)
-      *out_node = NULL;
-    return false;
-  }
-
-  PP_FileInfo info;
-  info.size = contents.size();
-  info.type = PP_FILETYPE_REGULAR;
-  info.system_type = filesystem_type_;
-  info.creation_time = 0;
-  info.last_access_time = 0;
-  info.last_modified_time = 0;
-
-  FakeHtml5FsNode node(info, contents);
-  std::pair<NodeMap::iterator, bool> result =
-      node_map_.insert(NodeMap::value_type(path, node));
-
-  EXPECT_EQ(true, result.second);
-  if (out_node)
-    *out_node = &result.first->second;
-  return true;
-}
-
-bool FakeHtml5FsFilesystem::AddDirectory(const Path& path,
-                                         FakeHtml5FsNode** out_node) {
-  NodeMap::iterator iter = node_map_.find(path);
-  if (iter != node_map_.end()) {
-    if (out_node)
-      *out_node = NULL;
-    return false;
-  }
-
-  PP_FileInfo info;
-  info.size = 0;
-  info.type = PP_FILETYPE_DIRECTORY;
-  info.system_type = filesystem_type_;
-  info.creation_time = 0;
-  info.last_access_time = 0;
-  info.last_modified_time = 0;
-
-  FakeHtml5FsNode node(info);
-  std::pair<NodeMap::iterator, bool> result =
-      node_map_.insert(NodeMap::value_type(path, node));
-
-  EXPECT_EQ(true, result.second);
-  if (out_node)
-    *out_node = &result.first->second;
-  return true;
-}
-
-bool FakeHtml5FsFilesystem::RemoveNode(const Path& path) {
-  return node_map_.erase(path) >= 1;
-}
-
-FakeHtml5FsNode* FakeHtml5FsFilesystem::GetNode(const Path& path) {
-  NodeMap::iterator iter = node_map_.find(path);
-  if (iter == node_map_.end())
-    return NULL;
-  return &iter->second;
-}
-
-bool FakeHtml5FsFilesystem::GetDirectoryEntries(
-    const Path& path,
-    DirectoryEntries* out_dir_entries) const {
-  out_dir_entries->clear();
-
-  NodeMap::const_iterator iter = node_map_.find(path);
-  if (iter == node_map_.end())
-    return false;
-
-  const FakeHtml5FsNode& dir_node = iter->second;
-  if (!dir_node.IsDirectory())
-    return false;
-
-  for (NodeMap::const_iterator iter = node_map_.begin();
-       iter != node_map_.end();
-       ++iter) {
-    const Path& node_path = iter->first;
-    if (node_path.find(path) == std::string::npos)
-      continue;
-
-    // A node is not a child of itself.
-    if (&iter->second == &dir_node)
-      continue;
-
-    // Only consider children, not descendants. If we find a forward slash, then
-    // the node must be in a subdirectory.
-    if (node_path.find('/', path.size() + 1) != std::string::npos)
-      continue;
-
-    // The directory entry names do not include the path.
-    Path entry_path = node_path;
-    size_t last_slash = node_path.rfind('/');
-    if (last_slash != std::string::npos)
-      entry_path.erase(0, last_slash + 1);
-
-    DirectoryEntry entry;
-    entry.path = entry_path;
-    entry.node = &iter->second;
-    out_dir_entries->push_back(entry);
-  }
-
-  return true;
-}
-
-// static
-FakeHtml5FsFilesystem::Path FakeHtml5FsFilesystem::GetParentPath(
-    const Path& path) {
-  size_t last_slash = path.rfind('/');
-  if (last_slash == 0)
-    return "/";
-
-  EXPECT_EQ(std::string::npos, last_slash);
-  return path.substr(0, last_slash);
-}
-
-FakeFileIoInterface::FakeFileIoInterface(FakeCoreInterface* core_interface)
-    : core_interface_(core_interface) {}
-
-PP_Resource FakeFileIoInterface::Create(PP_Resource) {
-  return CREATE_RESOURCE(core_interface_->resource_manager(),
-                         FakeFileIoResource,
-                         new FakeFileIoResource);
-}
-
-int32_t FakeFileIoInterface::Open(PP_Resource file_io,
-                                  PP_Resource file_ref,
-                                  int32_t open_flags,
-                                  PP_CompletionCallback callback) {
-  FakeFileIoResource* file_io_resource =
-      core_interface_->resource_manager()->Get<FakeFileIoResource>(file_io);
-  if (file_io_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  bool flag_write = !!(open_flags & PP_FILEOPENFLAG_WRITE);
-  bool flag_create = !!(open_flags & PP_FILEOPENFLAG_CREATE);
-  bool flag_truncate = !!(open_flags & PP_FILEOPENFLAG_TRUNCATE);
-  bool flag_exclusive = !!(open_flags & PP_FILEOPENFLAG_EXCLUSIVE);
-  bool flag_append = !!(open_flags & PP_FILEOPENFLAG_APPEND);
-
-  if ((flag_append && flag_write) || (flag_truncate && !flag_write))
-    return PP_ERROR_BADARGUMENT;
-
-  FakeFileRefResource* file_ref_resource =
-      core_interface_->resource_manager()->Get<FakeFileRefResource>(file_ref);
-  if (file_ref_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  const FakeHtml5FsFilesystem::Path& path = file_ref_resource->path;
-  FakeHtml5FsFilesystem* filesystem = file_ref_resource->filesystem;
-  FakeHtml5FsNode* node = filesystem->GetNode(path);
-  bool node_exists = node != NULL;
-
-  if (!node_exists) {
-    if (!flag_create)
-      return RunCompletionCallback(&callback, PP_ERROR_FILENOTFOUND);
-
-    bool result = filesystem->AddEmptyFile(path, &node);
-    EXPECT_EQ(true, result);
-  } else {
-    if (flag_create && flag_exclusive)
-      return RunCompletionCallback(&callback, PP_ERROR_FILEEXISTS);
-  }
-
-  file_io_resource->node = node;
-  file_io_resource->open_flags = open_flags;
-
-  if (flag_truncate)
-    return RunCompletionCallback(&callback, node->SetLength(0));
-
-  return RunCompletionCallback(&callback, PP_OK);
-}
-
-int32_t FakeFileIoInterface::Query(PP_Resource file_io,
-                                   PP_FileInfo* info,
-                                   PP_CompletionCallback callback) {
-  FakeFileIoResource* file_io_resource =
-      core_interface_->resource_manager()->Get<FakeFileIoResource>(file_io);
-  if (file_io_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  if (!file_io_resource->node)
-    return RunCompletionCallback(&callback, PP_ERROR_FAILED);
-
-  file_io_resource->node->GetInfo(info);
-  return RunCompletionCallback(&callback, PP_OK);
-}
-
-int32_t FakeFileIoInterface::Read(PP_Resource file_io,
-                                  int64_t offset,
-                                  char* buffer,
-                                  int32_t bytes_to_read,
-                                  PP_CompletionCallback callback) {
-  FakeFileIoResource* file_io_resource =
-      core_interface_->resource_manager()->Get<FakeFileIoResource>(file_io);
-  if (file_io_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  if (bytes_to_read < 0)
-    return RunCompletionCallback(&callback, PP_ERROR_FAILED);
-
-  if ((file_io_resource->open_flags & PP_FILEOPENFLAG_READ) !=
-      PP_FILEOPENFLAG_READ) {
-    return RunCompletionCallback(&callback, PP_ERROR_NOACCESS);
-  }
-
-  if (!file_io_resource->node)
-    return RunCompletionCallback(&callback, PP_ERROR_FAILED);
-
-  int32_t result = file_io_resource->node->Read(offset, buffer, bytes_to_read);
-  return RunCompletionCallback(&callback, result);
-}
-
-int32_t FakeFileIoInterface::Write(PP_Resource file_io,
-                                   int64_t offset,
-                                   const char* buffer,
-                                   int32_t bytes_to_write,
-                                   PP_CompletionCallback callback) {
-  FakeFileIoResource* file_io_resource =
-      core_interface_->resource_manager()->Get<FakeFileIoResource>(file_io);
-  if (file_io_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  if ((file_io_resource->open_flags & PP_FILEOPENFLAG_WRITE) !=
-      PP_FILEOPENFLAG_WRITE) {
-    return RunCompletionCallback(&callback, PP_ERROR_NOACCESS);
-  }
-
-  if (!file_io_resource->node)
-    return RunCompletionCallback(&callback, PP_ERROR_FAILED);
-
-  int32_t result;
-  if ((file_io_resource->open_flags & PP_FILEOPENFLAG_APPEND) ==
-      PP_FILEOPENFLAG_APPEND) {
-    result = file_io_resource->node->Append(buffer, bytes_to_write);
-  } else {
-    result = file_io_resource->node->Write(offset, buffer, bytes_to_write);
-  }
-
-  return RunCompletionCallback(&callback, result);
-}
-
-int32_t FakeFileIoInterface::SetLength(PP_Resource file_io,
-                                       int64_t length,
-                                       PP_CompletionCallback callback) {
-  FakeFileIoResource* file_io_resource =
-      core_interface_->resource_manager()->Get<FakeFileIoResource>(file_io);
-  if (file_io_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  if ((file_io_resource->open_flags & PP_FILEOPENFLAG_WRITE) !=
-      PP_FILEOPENFLAG_WRITE) {
-    return RunCompletionCallback(&callback, PP_ERROR_NOACCESS);
-  }
-
-  if (!file_io_resource->node)
-    return RunCompletionCallback(&callback, PP_ERROR_FAILED);
-
-  int32_t result = file_io_resource->node->SetLength(length);
-  return RunCompletionCallback(&callback, result);
-}
-
-int32_t FakeFileIoInterface::Flush(PP_Resource file_io,
-                                   PP_CompletionCallback callback) {
-  FakeFileIoResource* file_io_resource =
-      core_interface_->resource_manager()->Get<FakeFileIoResource>(file_io);
-  if (file_io_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  if (!file_io_resource->node)
-    return RunCompletionCallback(&callback, PP_ERROR_FAILED);
-
-  return RunCompletionCallback(&callback, PP_OK);
-}
-
-void FakeFileIoInterface::Close(PP_Resource file_io) {
-  FakeFileIoResource* file_io_resource =
-      core_interface_->resource_manager()->Get<FakeFileIoResource>(file_io);
-  if (file_io_resource == NULL)
-    return;
-
-  file_io_resource->node = NULL;
-  file_io_resource->open_flags = 0;
-}
-
-FakeFileRefInterface::FakeFileRefInterface(FakeCoreInterface* core_interface,
-                                           FakeVarInterface* var_interface)
-    : core_interface_(core_interface), var_interface_(var_interface) {}
-
-PP_Resource FakeFileRefInterface::Create(PP_Resource file_system,
-                                         const char* path) {
-  FakeFileSystemResource* file_system_resource =
-      core_interface_->resource_manager()->Get<FakeFileSystemResource>(
-          file_system);
-  if (file_system_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  if (!file_system_resource->opened)
-    return PP_ERROR_FAILED;
-
-  if (path == NULL)
-    return PP_ERROR_FAILED;
-
-  size_t path_len = strlen(path);
-  if (path_len == 0)
-    return PP_ERROR_FAILED;
-
-  FakeFileRefResource* file_ref_resource = new FakeFileRefResource;
-  file_ref_resource->filesystem = file_system_resource->filesystem;
-  file_ref_resource->path = path;
-
-  // Remove a trailing slash from the path, unless it is the root path.
-  if (path_len > 1 && file_ref_resource->path[path_len - 1] == '/')
-    file_ref_resource->path.erase(path_len - 1);
-
-  return CREATE_RESOURCE(core_interface_->resource_manager(),
-                         FakeFileRefResource,
-                         file_ref_resource);
-}
-
-PP_Var FakeFileRefInterface::GetName(PP_Resource file_ref) {
-  FakeFileRefResource* file_ref_resource =
-      core_interface_->resource_manager()->Get<FakeFileRefResource>(file_ref);
-  if (file_ref_resource == NULL)
-    return PP_MakeUndefined();
-
-  return var_interface_->VarFromUtf8(file_ref_resource->path.c_str(),
-                                     file_ref_resource->path.size());
-}
-
-int32_t FakeFileRefInterface::MakeDirectory(PP_Resource directory_ref,
-                                            PP_Bool make_parents,
-                                            PP_CompletionCallback callback) {
-  FakeFileRefResource* directory_ref_resource =
-      core_interface_->resource_manager()->Get<FakeFileRefResource>(
-          directory_ref);
-  if (directory_ref_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  // TODO(binji): We don't currently use make_parents in nacl_io, so
-  // I won't bother handling it yet.
-  if (make_parents == PP_TRUE)
-    return PP_ERROR_FAILED;
-
-  FakeHtml5FsFilesystem* filesystem = directory_ref_resource->filesystem;
-  FakeHtml5FsFilesystem::Path path = directory_ref_resource->path;
-
-  // Pepper returns PP_ERROR_NOACCESS when trying to create the root directory,
-  // not PP_ERROR_FILEEXISTS, as you might expect.
-  if (path == "/")
-    return RunCompletionCallback(&callback, PP_ERROR_NOACCESS);
-
-  FakeHtml5FsNode* node = filesystem->GetNode(path);
-  if (node != NULL)
-    return RunCompletionCallback(&callback, PP_ERROR_FILEEXISTS);
-
-  FakeHtml5FsFilesystem::Path parent_path = filesystem->GetParentPath(path);
-  FakeHtml5FsNode* parent_node = filesystem->GetNode(parent_path);
-  if (parent_node == NULL)
-    return RunCompletionCallback(&callback, PP_ERROR_FILENOTFOUND);
-
-  if (!parent_node->IsDirectory())
-    return RunCompletionCallback(&callback, PP_ERROR_FAILED);
-
-  bool result = filesystem->AddDirectory(directory_ref_resource->path, NULL);
-  EXPECT_EQ(true, result);
-  return RunCompletionCallback(&callback, PP_OK);
-}
-
-int32_t FakeFileRefInterface::Delete(PP_Resource file_ref,
-                                     PP_CompletionCallback callback) {
-  FakeFileRefResource* file_ref_resource =
-      core_interface_->resource_manager()->Get<FakeFileRefResource>(file_ref);
-  if (file_ref_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  FakeHtml5FsFilesystem* filesystem = file_ref_resource->filesystem;
-  FakeHtml5FsFilesystem::Path path = file_ref_resource->path;
-  FakeHtml5FsNode* node = filesystem->GetNode(path);
-  if (node == NULL)
-    return RunCompletionCallback(&callback, PP_ERROR_FILENOTFOUND);
-
-  filesystem->RemoveNode(path);
-  return RunCompletionCallback(&callback, PP_OK);
-}
-
-int32_t FakeFileRefInterface::Query(PP_Resource file_ref,
-                                    PP_FileInfo* info,
-                                    PP_CompletionCallback callback) {
-  FakeFileRefResource* file_ref_resource =
-      core_interface_->resource_manager()->Get<FakeFileRefResource>(file_ref);
-  if (file_ref_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  FakeHtml5FsFilesystem* filesystem = file_ref_resource->filesystem;
-  FakeHtml5FsFilesystem::Path path = file_ref_resource->path;
-  FakeHtml5FsNode* node = filesystem->GetNode(path);
-  if (node == NULL)
-    return RunCompletionCallback(&callback, PP_ERROR_FILENOTFOUND);
-
-  node->GetInfo(info);
-  return RunCompletionCallback(&callback, PP_OK);
-}
-
-int32_t FakeFileRefInterface::ReadDirectoryEntries(
-    PP_Resource directory_ref,
-    const PP_ArrayOutput& output,
-    PP_CompletionCallback callback) {
-  FakeFileRefResource* directory_ref_resource =
-      core_interface_->resource_manager()->Get<FakeFileRefResource>(
-          directory_ref);
-  if (directory_ref_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  FakeHtml5FsFilesystem* filesystem = directory_ref_resource->filesystem;
-  FakeHtml5FsFilesystem::Path path = directory_ref_resource->path;
-  FakeHtml5FsNode* node = filesystem->GetNode(path);
-  if (node == NULL)
-    return RunCompletionCallback(&callback, PP_ERROR_FILENOTFOUND);
-
-  if (!node->IsDirectory())
-    return RunCompletionCallback(&callback, PP_ERROR_FAILED);
-
-  FakeHtml5FsFilesystem::DirectoryEntries fake_dir_entries;
-  filesystem->GetDirectoryEntries(path, &fake_dir_entries);
-
-  uint32_t element_count = fake_dir_entries.size();
-  uint32_t element_size = sizeof(fake_dir_entries[0]);
-  void* data_buffer =
-      (*output.GetDataBuffer)(output.user_data, element_count, element_size);
-
-  if (data_buffer == NULL)
-    return RunCompletionCallback(&callback, PP_ERROR_FAILED);
-
-  PP_DirectoryEntry* dir_entries = static_cast<PP_DirectoryEntry*>(data_buffer);
-  for (uint32_t i = 0; i < element_count; ++i) {
-    const FakeHtml5FsFilesystem::DirectoryEntry& fake_dir_entry =
-        fake_dir_entries[i];
-
-    FakeFileRefResource* file_ref_resource = new FakeFileRefResource;
-    file_ref_resource->filesystem = directory_ref_resource->filesystem;
-    file_ref_resource->path = fake_dir_entry.path;
-    PP_Resource file_ref = CREATE_RESOURCE(core_interface_->resource_manager(),
-                                           FakeFileRefResource,
-                                           file_ref_resource);
-
-    dir_entries[i].file_ref = file_ref;
-    dir_entries[i].file_type = fake_dir_entry.node->file_type();
-  }
-
-  return RunCompletionCallback(&callback, PP_OK);
-}
-
-int32_t FakeFileRefInterface::Rename(PP_Resource file_ref,
-                                     PP_Resource new_file_ref,
-                                     PP_CompletionCallback callback) {
-  FakeFileRefResource* file_ref_resource =
-      core_interface_->resource_manager()->Get<FakeFileRefResource>(file_ref);
-  if (file_ref_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  FakeFileRefResource* new_file_ref_resource =
-      core_interface_->resource_manager()->Get<FakeFileRefResource>(
-          new_file_ref);
-  if (new_file_ref_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  FakeHtml5FsFilesystem* filesystem = file_ref_resource->filesystem;
-  FakeHtml5FsFilesystem::Path path = file_ref_resource->path;
-  FakeHtml5FsFilesystem::Path newpath = new_file_ref_resource->path;
-  FakeHtml5FsNode* node = filesystem->GetNode(path);
-  if (node == NULL)
-    return RunCompletionCallback(&callback, PP_ERROR_FILENOTFOUND);
-  // FakeFileRefResource does not support directory rename.
-  if (!node->IsRegular())
-    return RunCompletionCallback(&callback, PP_ERROR_NOTAFILE);
-
-  // Remove the destination if it exists.
-  filesystem->RemoveNode(newpath);
-  const std::vector<uint8_t> contents = node->contents();
-  EXPECT_TRUE(filesystem->AddFile(newpath, contents, NULL));
-  EXPECT_TRUE(filesystem->RemoveNode(path));
-  return RunCompletionCallback(&callback, PP_OK);
-}
-
-FakeFileSystemInterface::FakeFileSystemInterface(
-    FakeCoreInterface* core_interface)
-    : core_interface_(core_interface) {}
-
-PP_Bool FakeFileSystemInterface::IsFileSystem(PP_Resource resource) {
-  bool not_found_ok = true;
-  FakeFileSystemResource* file_system_resource =
-      core_interface_->resource_manager()->Get<FakeFileSystemResource>(
-          resource, not_found_ok);
-  return file_system_resource != NULL ? PP_TRUE : PP_FALSE;
-}
-
-PP_Resource FakeFileSystemInterface::Create(PP_Instance instance,
-                                            PP_FileSystemType filesystem_type) {
-  FakeInstanceResource* instance_resource =
-      core_interface_->resource_manager()->Get<FakeInstanceResource>(instance);
-  if (instance_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  FakeFileSystemResource* file_system_resource = new FakeFileSystemResource;
-  file_system_resource->filesystem = new FakeHtml5FsFilesystem(
-      *instance_resource->filesystem_template, filesystem_type);
-
-  return CREATE_RESOURCE(core_interface_->resource_manager(),
-                         FakeFileSystemResource,
-                         file_system_resource);
-}
-
-int32_t FakeFileSystemInterface::Open(PP_Resource file_system,
-                                      int64_t expected_size,
-                                      PP_CompletionCallback callback) {
-  FakeFileSystemResource* file_system_resource =
-      core_interface_->resource_manager()->Get<FakeFileSystemResource>(
-          file_system);
-  if (file_system_resource == NULL)
-    return PP_ERROR_BADRESOURCE;
-
-  file_system_resource->opened = true;
-  return RunCompletionCallback(&callback, PP_OK);
-}
-
 FakePepperInterfaceHtml5Fs::FakePepperInterfaceHtml5Fs()
     : core_interface_(&resource_manager_),
       var_interface_(&var_manager_),
@@ -705,7 +43,7 @@ FakePepperInterfaceHtml5Fs::FakePepperInterfaceHtml5Fs()
 }
 
 FakePepperInterfaceHtml5Fs::FakePepperInterfaceHtml5Fs(
-    const FakeHtml5FsFilesystem& filesystem)
+    const FakeFilesystem& filesystem)
     : core_interface_(&resource_manager_),
       var_interface_(&var_manager_),
       filesystem_template_(filesystem),
@@ -721,8 +59,7 @@ void FakePepperInterfaceHtml5Fs::Init() {
   instance_resource->filesystem_template = &filesystem_template_;
 
   instance_ = CREATE_RESOURCE(core_interface_.resource_manager(),
-                              FakeInstanceResource,
-                              instance_resource);
+                              FakeInstanceResource, instance_resource);
 }
 
 FakePepperInterfaceHtml5Fs::~FakePepperInterfaceHtml5Fs() {