Componentize component_updater: Move over a bunch of files to the component.

chrome/browser/component_updater/component_patcher.cc

Index: chrome/browser/component_updater/component_patcher.cc
diff --git a/chrome/browser/component_updater/component_patcher.cc b/chrome/browser/component_updater/component_patcher.cc
deleted file mode 100644
index fffab9f491a4ff94488d7b2f2e45c603836f649c..0000000000000000000000000000000000000000
--- a/chrome/browser/component_updater/component_patcher.cc
+++ /dev/null
@@ -1,125 +0,0 @@
-// Copyright 2013 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 "chrome/browser/component_updater/component_patcher.h"
-
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/bind.h"
-#include "base/file_util.h"
-#include "base/files/file_path.h"
-#include "base/json/json_file_value_serializer.h"
-#include "base/location.h"
-#include "base/memory/weak_ptr.h"
-#include "base/values.h"
-#include "chrome/browser/component_updater/component_patcher_operation.h"
-#include "chrome/browser/component_updater/component_updater_service.h"
-
-namespace component_updater {
-
-namespace {
-
-// Deserialize the commands file (present in delta update packages). The top
-// level must be a list.
-base::ListValue* ReadCommands(const base::FilePath& unpack_path) {
-  const base::FilePath commands =
-      unpack_path.Append(FILE_PATH_LITERAL("commands.json"));
-  if (!base::PathExists(commands))
-    return NULL;
-
-  JSONFileValueSerializer serializer(commands);
-  scoped_ptr<base::Value> root(serializer.Deserialize(NULL, NULL));
-
-  return (root.get() && root->IsType(base::Value::TYPE_LIST))
-             ? static_cast<base::ListValue*>(root.release())
-             : NULL;
-}
-
-}  // namespace
-
-ComponentPatcher::ComponentPatcher(
-    const base::FilePath& input_dir,
-    const base::FilePath& unpack_dir,
-    ComponentInstaller* installer,
-    scoped_refptr<OutOfProcessPatcher> out_of_process_patcher,
-    scoped_refptr<base::SequencedTaskRunner> task_runner)
-    : input_dir_(input_dir),
-      unpack_dir_(unpack_dir),
-      installer_(installer),
-      out_of_process_patcher_(out_of_process_patcher),
-      task_runner_(task_runner) {
-}
-
-ComponentPatcher::~ComponentPatcher() {
-}
-
-void ComponentPatcher::Start(const ComponentUnpacker::Callback& callback) {
-  callback_ = callback;
-  task_runner_->PostTask(FROM_HERE,
-                         base::Bind(&ComponentPatcher::StartPatching,
-                                    scoped_refptr<ComponentPatcher>(this)));
-}
-
-void ComponentPatcher::StartPatching() {
-  commands_.reset(ReadCommands(input_dir_));
-  if (!commands_.get()) {
-    DonePatching(ComponentUnpacker::kDeltaBadCommands, 0);
-  } else {
-    next_command_ = commands_->begin();
-    PatchNextFile();
-  }
-}
-
-void ComponentPatcher::PatchNextFile() {
-  if (next_command_ == commands_->end()) {
-    DonePatching(ComponentUnpacker::kNone, 0);
-    return;
-  }
-  if (!(*next_command_)->IsType(base::Value::TYPE_DICTIONARY)) {
-    DonePatching(ComponentUnpacker::kDeltaBadCommands, 0);
-    return;
-  }
-  const base::DictionaryValue* command_args =
-      static_cast<base::DictionaryValue*>(*next_command_);
-
-  std::string operation;
-  if (command_args->GetString(kOp, &operation)) {
-    current_operation_ =
-        CreateDeltaUpdateOp(operation, out_of_process_patcher_);
-  }
-
-  if (!current_operation_) {
-    DonePatching(ComponentUnpacker::kDeltaUnsupportedCommand, 0);
-    return;
-  }
-  current_operation_->Run(command_args,
-                          input_dir_,
-                          unpack_dir_,
-                          installer_,
-                          base::Bind(&ComponentPatcher::DonePatchingFile,
-                                     scoped_refptr<ComponentPatcher>(this)),
-                          task_runner_);
-}
-
-void ComponentPatcher::DonePatchingFile(ComponentUnpacker::Error error,
-                                        int extended_error) {
-  if (error != ComponentUnpacker::kNone) {
-    DonePatching(error, extended_error);
-  } else {
-    ++next_command_;
-    PatchNextFile();
-  }
-}
-
-void ComponentPatcher::DonePatching(ComponentUnpacker::Error error,
-                                    int extended_error) {
-  current_operation_ = NULL;
-  task_runner_->PostTask(FROM_HERE,
-                         base::Bind(callback_, error, extended_error));
-  callback_.Reset();
-}
-
-}  // namespace component_updater