Remove mojo/tools/, not needed in chromium

mojo/tools/package_manager/package_fetcher.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/package_fetcher.h"
-
-#include "base/bind.h"
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
-#include "mojo/services/public/interfaces/network/url_loader.mojom.h"
-
-namespace mojo {
-
-PackageFetcher::PackageFetcher(NetworkService* network_service,
-                               PackageFetcherDelegate* delegate,
-                               const GURL& url)
-    : delegate_(delegate),
-      url_(url) {
-  network_service->CreateURLLoader(GetProxy(&loader_));
-
-  URLRequestPtr request(URLRequest::New());
-  request->url = url.spec();
-  request->auto_follow_redirects = true;
-
-  loader_->Start(request.Pass(),
-                 base::Bind(&PackageFetcher::OnReceivedResponse,
-                            base::Unretained(this)));
-}
-
-PackageFetcher::~PackageFetcher() {
-}
-
-void PackageFetcher::OnReceivedResponse(URLResponsePtr response) {
-  if (response->error) {
-    printf("Got error %d (%s) for %s\n",
-           response->error->code,
-           response->error->description.get().c_str(),
-           url_.spec().c_str());
-    delegate_->FetchFailed(url_);
-    return;
-  }
-
-  if (!base::CreateTemporaryFile(&output_file_name_)) {
-    delegate_->FetchFailed(url_);
-    return;
-  }
-  output_file_.Initialize(output_file_name_,
-      base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);
-  if (!output_file_.IsValid()) {
-    base::DeleteFile(output_file_name_, false);
-    delegate_->FetchFailed(url_);
-    // Danger: may be deleted now.
-    return;
-  }
-
-  body_ = response->body.Pass();
-  ReadData(MOJO_RESULT_OK);
-  // Danger: may be deleted now.
-}
-
-void PackageFetcher::ReadData(MojoResult) {
-  char buf[4096];
-  uint32_t num_bytes = sizeof(buf);
-  MojoResult result = ReadDataRaw(body_.get(), buf, &num_bytes,
-                                  MOJO_READ_DATA_FLAG_NONE);
-  if (result == MOJO_RESULT_SHOULD_WAIT) {
-    WaitToReadMore();
-  } else if (result == MOJO_RESULT_OK) {
-    if (output_file_.WriteAtCurrentPos(buf, num_bytes) !=
-        static_cast<int>(num_bytes)) {
-      // Clean up the output file.
-      output_file_.Close();
-      base::DeleteFile(output_file_name_, false);
-
-      delegate_->FetchFailed(url_);
-      // Danger: may be deleted now.
-      return;
-    }
-    WaitToReadMore();
-  } else if (result == MOJO_RESULT_FAILED_PRECONDITION) {
-    // Done.
-    output_file_.Close();
-    delegate_->FetchSucceeded(url_, output_file_name_);
-    // Danger: may be deleted now.
-  }
-}
-
-void PackageFetcher::WaitToReadMore() {
-  handle_watcher_.Start(
-      body_.get(),
-      MOJO_HANDLE_SIGNAL_READABLE,
-      MOJO_DEADLINE_INDEFINITE,
-      base::Bind(&PackageFetcher::ReadData, base::Unretained(this)));
-}
-
-}  // namespace mojo