Revert "Move mojo edk into mojo/edk"

mojo/edk/test/test_utils_posix.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/edk/test/test_utils.h"
-
-#include <fcntl.h>
-#include <unistd.h>
-
-#include "base/base_paths.h"
-#include "base/path_service.h"
-#include "base/posix/eintr_wrapper.h"
-
-namespace mojo {
-namespace test {
-
-bool BlockingWrite(const embedder::PlatformHandle& handle,
-                   const void* buffer,
-                   size_t bytes_to_write,
-                   size_t* bytes_written) {
-  int original_flags = fcntl(handle.fd, F_GETFL);
-  if (original_flags == -1 ||
-      fcntl(handle.fd, F_SETFL, original_flags & (~O_NONBLOCK)) != 0) {
-    return false;
-  }
-
-  ssize_t result = HANDLE_EINTR(write(handle.fd, buffer, bytes_to_write));
-
-  fcntl(handle.fd, F_SETFL, original_flags);
-
-  if (result < 0)
-    return false;
-
-  *bytes_written = result;
-  return true;
-}
-
-bool BlockingRead(const embedder::PlatformHandle& handle,
-                  void* buffer,
-                  size_t buffer_size,
-                  size_t* bytes_read) {
-  int original_flags = fcntl(handle.fd, F_GETFL);
-  if (original_flags == -1 ||
-      fcntl(handle.fd, F_SETFL, original_flags & (~O_NONBLOCK)) != 0) {
-    return false;
-  }
-
-  ssize_t result = HANDLE_EINTR(read(handle.fd, buffer, buffer_size));
-
-  fcntl(handle.fd, F_SETFL, original_flags);
-
-  if (result < 0)
-    return false;
-
-  *bytes_read = result;
-  return true;
-}
-
-bool NonBlockingRead(const embedder::PlatformHandle& handle,
-                     void* buffer,
-                     size_t buffer_size,
-                     size_t* bytes_read) {
-  ssize_t result = HANDLE_EINTR(read(handle.fd, buffer, buffer_size));
-
-  if (result < 0) {
-    if (errno != EAGAIN && errno != EWOULDBLOCK)
-      return false;
-
-    *bytes_read = 0;
-  } else {
-    *bytes_read = result;
-  }
-
-  return true;
-}
-
-embedder::ScopedPlatformHandle PlatformHandleFromFILE(base::ScopedFILE fp) {
-  CHECK(fp);
-  int rv = dup(fileno(fp.get()));
-  PCHECK(rv != -1) << "dup";
-  return embedder::ScopedPlatformHandle(embedder::PlatformHandle(rv));
-}
-
-base::ScopedFILE FILEFromPlatformHandle(embedder::ScopedPlatformHandle h,
-                                        const char* mode) {
-  CHECK(h.is_valid());
-  base::ScopedFILE rv(fdopen(h.release().fd, mode));
-  PCHECK(rv) << "fdopen";
-  return rv.Pass();
-}
-
-base::FilePath GetFilePathForJSResource(const std::string& path) {
-  std::string binding_path = "gen/" + path + ".js";
-  base::FilePath exe_dir;
-  PathService::Get(base::DIR_EXE, &exe_dir);
-  return exe_dir.AppendASCII(binding_path);
-}
-
-}  // namespace test
-}  // namespace mojo