Migrate content/common/gpu/media code to media/gpu

content/common/gpu/media/shared_memory_region.cc

Index: content/common/gpu/media/shared_memory_region.cc
diff --git a/content/common/gpu/media/shared_memory_region.cc b/content/common/gpu/media/shared_memory_region.cc
deleted file mode 100644
index 4ee6a24257827978d9746eae9a938e0474248d5c..0000000000000000000000000000000000000000
--- a/content/common/gpu/media/shared_memory_region.cc
+++ /dev/null
@@ -1,42 +0,0 @@
-// Copyright (c) 2015 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/sys_info.h"
-#include "content/common/gpu/media/shared_memory_region.h"
-
-namespace content {
-
-SharedMemoryRegion::SharedMemoryRegion(const base::SharedMemoryHandle& handle,
-                                       off_t offset,
-                                       size_t size,
-                                       bool read_only)
-    : shm_(handle, read_only),
-      offset_(offset),
-      size_(size),
-      alignment_size_(offset % base::SysInfo::VMAllocationGranularity()) {
-  DCHECK_GE(offset_, 0) << "Invalid offset: " << offset_;
-}
-
-SharedMemoryRegion::SharedMemoryRegion(
-    const media::BitstreamBuffer& bitstream_buffer,
-    bool read_only)
-    : SharedMemoryRegion(bitstream_buffer.handle(),
-                         bitstream_buffer.offset(),
-                         bitstream_buffer.size(),
-                         read_only) {}
-
-bool SharedMemoryRegion::Map() {
-  if (offset_ < 0) {
-    DVLOG(1) << "Invalid offset: " << offset_;
-    return false;
-  }
-  return shm_.MapAt(offset_ - alignment_size_, size_ + alignment_size_);
-}
-
-void* SharedMemoryRegion::memory() {
-  int8_t* addr = reinterpret_cast<int8_t*>(shm_.memory());
-  return addr ? addr + alignment_size_ : nullptr;
-}
-
-}  // namespace content