Move all core files in //components/sessions into core/ subdir

components/sessions/base_session_service_commands.cc

-// Copyright 2014 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 "components/sessions/base_session_service_commands.h"
-
-#include "base/pickle.h"
-#include "components/sessions/session_backend.h"
-#include "components/sessions/session_types.h"
-
-namespace sessions {
-namespace {
-
-// Helper used by CreateUpdateTabNavigationCommand(). It writes |str| to
-// |pickle|, if and only if |str| fits within (|max_bytes| - |*bytes_written|).
-// |bytes_written| is incremented to reflect the data written.
-void WriteStringToPickle(base::Pickle& pickle,
-                         int* bytes_written,
-                         int max_bytes,
-                         const std::string& str) {
-  int num_bytes = str.size() * sizeof(char);
-  if (*bytes_written + num_bytes < max_bytes) {
-    *bytes_written += num_bytes;
-    pickle.WriteString(str);
-  } else {
-    pickle.WriteString(std::string());
-  }
-}
-
-}  // namespace
-
-scoped_ptr<SessionCommand> CreateUpdateTabNavigationCommand(
-    SessionID::id_type command_id,
-    SessionID::id_type tab_id,
-    const sessions::SerializedNavigationEntry& navigation) {
-  // Use pickle to handle marshalling.
-  base::Pickle pickle;
-  pickle.WriteInt(tab_id);
-  // We only allow navigations up to 63k (which should be completely
-  // reasonable).
-  static const size_t max_state_size =
-      std::numeric_limits<SessionCommand::size_type>::max() - 1024;
-  navigation.WriteToPickle(max_state_size, &pickle);
-  return scoped_ptr<SessionCommand>(new SessionCommand(command_id, pickle));
-}
-
-scoped_ptr<SessionCommand> CreateSetTabExtensionAppIDCommand(
-    SessionID::id_type command_id,
-    SessionID::id_type tab_id,
-    const std::string& extension_id) {
-  // Use pickle to handle marshalling.
-  base::Pickle pickle;
-  pickle.WriteInt(tab_id);
-
-  // Enforce a max for ids. They should never be anywhere near this size.
-  static const SessionCommand::size_type max_id_size =
-      std::numeric_limits<SessionCommand::size_type>::max() - 1024;
-
-  int bytes_written = 0;
-
-  WriteStringToPickle(pickle, &bytes_written, max_id_size, extension_id);
-
-  return scoped_ptr<SessionCommand>(new SessionCommand(command_id, pickle));
-}
-
-scoped_ptr<SessionCommand> CreateSetTabUserAgentOverrideCommand(
-    SessionID::id_type command_id,
-    SessionID::id_type tab_id,
-    const std::string& user_agent_override) {
-  // Use pickle to handle marshalling.
-  base::Pickle pickle;
-  pickle.WriteInt(tab_id);
-
-  // Enforce a max for the user agent length.  They should never be anywhere
-  // near this size.
-  static const SessionCommand::size_type max_user_agent_size =
-      std::numeric_limits<SessionCommand::size_type>::max() - 1024;
-
-  int bytes_written = 0;
-
-  WriteStringToPickle(pickle, &bytes_written, max_user_agent_size,
-      user_agent_override);
-
-  return scoped_ptr<SessionCommand>(new SessionCommand(command_id, pickle));
-}
-
-scoped_ptr<SessionCommand> CreateSetWindowAppNameCommand(
-    SessionID::id_type command_id,
-    SessionID::id_type window_id,
-    const std::string& app_name) {
-  // Use pickle to handle marshalling.
-  base::Pickle pickle;
-  pickle.WriteInt(window_id);
-
-  // Enforce a max for ids. They should never be anywhere near this size.
-  static const SessionCommand::size_type max_id_size =
-      std::numeric_limits<SessionCommand::size_type>::max() - 1024;
-
-  int bytes_written = 0;
-
-  WriteStringToPickle(pickle, &bytes_written, max_id_size, app_name);
-
-  return scoped_ptr<SessionCommand>(new SessionCommand(command_id, pickle));
-}
-
-bool RestoreUpdateTabNavigationCommand(
-    const SessionCommand& command,
-    sessions::SerializedNavigationEntry* navigation,
-    SessionID::id_type* tab_id) {
-  scoped_ptr<base::Pickle> pickle(command.PayloadAsPickle());
-  if (!pickle.get())
-    return false;
-  base::PickleIterator iterator(*pickle);
-  return iterator.ReadInt(tab_id) && navigation->ReadFromPickle(&iterator);
-}
-
-bool RestoreSetTabExtensionAppIDCommand(const SessionCommand& command,
-                                        SessionID::id_type* tab_id,
-                                        std::string* extension_app_id) {
-  scoped_ptr<base::Pickle> pickle(command.PayloadAsPickle());
-  if (!pickle.get())
-    return false;
-
-  base::PickleIterator iterator(*pickle);
-  return iterator.ReadInt(tab_id) && iterator.ReadString(extension_app_id);
-}
-
-bool RestoreSetTabUserAgentOverrideCommand(const SessionCommand& command,
-                                           SessionID::id_type* tab_id,
-                                           std::string* user_agent_override) {
-  scoped_ptr<base::Pickle> pickle(command.PayloadAsPickle());
-  if (!pickle.get())
-    return false;
-
-  base::PickleIterator iterator(*pickle);
-  return iterator.ReadInt(tab_id) && iterator.ReadString(user_agent_override);
-}
-
-bool RestoreSetWindowAppNameCommand(const SessionCommand& command,
-                                    SessionID::id_type* window_id,
-                                    std::string* app_name) {
-  scoped_ptr<base::Pickle> pickle(command.PayloadAsPickle());
-  if (!pickle.get())
-    return false;
-
-  base::PickleIterator iterator(*pickle);
-  return iterator.ReadInt(window_id) && iterator.ReadString(app_name);
-}
-
-}  // namespace sessions