Move base to DEPS

base/files/memory_mapped_file_posix.cc

Index: base/files/memory_mapped_file_posix.cc
diff --git a/base/files/memory_mapped_file_posix.cc b/base/files/memory_mapped_file_posix.cc
deleted file mode 100644
index 168da923d469641cd7b17d80c7f10b53e67ada5b..0000000000000000000000000000000000000000
--- a/base/files/memory_mapped_file_posix.cc
+++ /dev/null
@@ -1,91 +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 "base/files/memory_mapped_file.h"
-
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#include "base/logging.h"
-#include "base/threading/thread_restrictions.h"
-
-namespace base {
-
-MemoryMappedFile::MemoryMappedFile() : data_(NULL), length_(0) {
-}
-
-#if !defined(OS_NACL)
-bool MemoryMappedFile::MapFileRegionToMemory(
-    const MemoryMappedFile::Region& region) {
-  ThreadRestrictions::AssertIOAllowed();
-
-  off_t map_start = 0;
-  size_t map_size = 0;
-  int32 data_offset = 0;
-
-  if (region == MemoryMappedFile::Region::kWholeFile) {
-    int64 file_len = file_.GetLength();
-    if (file_len == -1) {
-      DPLOG(ERROR) << "fstat " << file_.GetPlatformFile();
-      return false;
-    }
-    map_size = static_cast<size_t>(file_len);
-    length_ = map_size;
-  } else {
-    // The region can be arbitrarily aligned. mmap, instead, requires both the
-    // start and size to be page-aligned. Hence, we map here the page-aligned
-    // outer region [|aligned_start|, |aligned_start| + |size|] which contains
-    // |region| and then add up the |data_offset| displacement.
-    int64 aligned_start = 0;
-    int64 aligned_size = 0;
-    CalculateVMAlignedBoundaries(region.offset,
-                                 region.size,
-                                 &aligned_start,
-                                 &aligned_size,
-                                 &data_offset);
-
-    // Ensure that the casts in the mmap call below are sane.
-    if (aligned_start < 0 || aligned_size < 0 ||
-        aligned_start > std::numeric_limits<off_t>::max() ||
-        static_cast<uint64>(aligned_size) >
-            std::numeric_limits<size_t>::max() ||
-        static_cast<uint64>(region.size) > std::numeric_limits<size_t>::max()) {
-      DLOG(ERROR) << "Region bounds are not valid for mmap";
-      return false;
-    }
-
-    map_start = static_cast<off_t>(aligned_start);
-    map_size = static_cast<size_t>(aligned_size);
-    length_ = static_cast<size_t>(region.size);
-  }
-
-  data_ = static_cast<uint8*>(mmap(NULL,
-                                   map_size,
-                                   PROT_READ,
-                                   MAP_SHARED,
-                                   file_.GetPlatformFile(),
-                                   map_start));
-  if (data_ == MAP_FAILED) {
-    DPLOG(ERROR) << "mmap " << file_.GetPlatformFile();
-    return false;
-  }
-
-  data_ += data_offset;
-  return true;
-}
-#endif
-
-void MemoryMappedFile::CloseHandles() {
-  ThreadRestrictions::AssertIOAllowed();
-
-  if (data_ != NULL)
-    munmap(data_, length_);
-  file_.Close();
-
-  data_ = NULL;
-  length_ = 0;
-}
-
-}  // namespace base