Remove mojo/tools/, not needed in chromium

mojo/tools/package_manager/manifest.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 "mojo/tools/package_manager/manifest.h"
-
-#include "base/files/file_util.h"
-#include "base/json/json_reader.h"
-#include "base/values.h"
-#include "url/gurl.h"
-
-namespace mojo {
-
-Manifest::Manifest() {
-}
-
-Manifest::~Manifest() {
-}
-
-bool Manifest::Parse(const std::string& str, std::string* err_msg) {
-  int err_code = base::JSONReader::JSON_NO_ERROR;
-  scoped_ptr<base::Value> root(base::JSONReader::ReadAndReturnError(
-      str,
-      base::JSON_ALLOW_TRAILING_COMMAS,
-      &err_code, err_msg));
-  if (err_code != base::JSONReader::JSON_NO_ERROR)
-    return false;
-
-  const base::DictionaryValue* root_dict;
-  if (!root->GetAsDictionary(&root_dict)) {
-    *err_msg = "Manifest is not a dictionary.";
-    return false;
-  }
-
-  if (!PopulateDeps(root_dict, err_msg))
-    return false;
-
-  return true;
-}
-
-bool Manifest::ParseFromFile(const base::FilePath& file_name,
-                             std::string* err_msg) {
-  std::string data;
-  if (!base::ReadFileToString(file_name, &data)) {
-    *err_msg = "Couldn't read manifest file " + file_name.AsUTF8Unsafe();
-    return false;
-  }
-  return Parse(data, err_msg);
-}
-
-bool Manifest::PopulateDeps(const base::DictionaryValue* root,
-                            std::string* err_msg) {
-  const base::Value* deps_value;
-  if (!root->Get("deps", &deps_value))
-    return true;  // No deps, that's OK.
-
-  const base::ListValue* deps;
-  if (!deps_value->GetAsList(&deps)) {
-    *err_msg = "Deps is not a list. Should be \"deps\": [ \"...\", \"...\" ]";
-    return false;
-  }
-
-  deps_.reserve(deps->GetSize());
-  for (size_t i = 0; i < deps->GetSize(); i++) {
-    std::string cur_dep;
-    if (!deps->GetString(i, &cur_dep)) {
-      *err_msg = "Dependency list item wasn't a string.";
-      return false;
-    }
-
-    GURL cur_url(cur_dep);
-    if (!cur_url.is_valid()) {
-      *err_msg = "Dependency entry isn't a valid URL: " + cur_dep;
-      return false;
-    }
-
-    deps_.push_back(cur_url);
-  }
-
-  return true;
-}
-
-}  // namespace mojo