1 files changed, 0 insertions, 113 deletions
diff --git a/chrome/common/transport_dib_linux.cc b/chrome/common/transport_dib_linux.cc
deleted file mode 100644
index 9b153af..0000000
--- a/chrome/common/transport_dib_linux.cc
+++ /dev/null
@@ -1,113 +0,0 @@
-// Copyright (c) 2009 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 <errno.h>
-#include <stdlib.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-
-#include "base/logging.h"
-#include "chrome/common/transport_dib.h"
-#include "chrome/common/x11_util.h"
-#include "gfx/size.h"
-#include "skia/ext/platform_canvas.h"
-
-// The shmat system call uses this as it's invalid return address
-static void *const kInvalidAddress = (void*) -1;
-
-TransportDIB::TransportDIB()
-    : key_(-1),
-      address_(kInvalidAddress),
-      x_shm_(0),
-      display_(NULL),
-      size_(0) {
-}
-
-TransportDIB::~TransportDIB() {
-  if (address_ != kInvalidAddress) {
-    shmdt(address_);
-    address_ = kInvalidAddress;
-  }
-
-  if (x_shm_) {
-    DCHECK(display_);
-    x11_util::DetachSharedMemory(display_, x_shm_);
-  }
-}
-
-// static
-TransportDIB* TransportDIB::Create(size_t size, uint32 sequence_num) {
-  // We use a mode of 0666 since the X server won't attach to memory which is
-  // 0600 since it can't know if it (as a root process) is being asked to map
-  // someone else's private shared memory region.
-  const int shmkey = shmget(IPC_PRIVATE, size, 0666);
-  if (shmkey == -1) {
-    DLOG(ERROR) << "Failed to create SysV shared memory region"
-                << " errno:" << errno;
-    return NULL;
-  }
-
-  void* address = shmat(shmkey, NULL /* desired address */, 0 /* flags */);
-  // Here we mark the shared memory for deletion. Since we attached it in the
-  // line above, it doesn't actually get deleted but, if we crash, this means
-  // that the kernel will automatically clean it up for us.
-  shmctl(shmkey, IPC_RMID, 0);
-  if (address == kInvalidAddress)
-    return NULL;
-
-  TransportDIB* dib = new TransportDIB;
-
-  dib->key_ = shmkey;
-  dib->address_ = address;
-  dib->size_ = size;
-  return dib;
-}
-
-TransportDIB* TransportDIB::Map(Handle shmkey) {
-  struct shmid_ds shmst;
-  if (shmctl(shmkey, IPC_STAT, &shmst) == -1)
-    return NULL;
-
-  void* address = shmat(shmkey, NULL /* desired address */, 0 /* flags */);
-  if (address == kInvalidAddress)
-    return NULL;
-
-  TransportDIB* dib = new TransportDIB;
-
-  dib->address_ = address;
-  dib->size_ = shmst.shm_segsz;
-  dib->key_ = shmkey;
-  return dib;
-}
-
-bool TransportDIB::is_valid(Handle dib) {
-  return dib >= 0;
-}
-
-skia::PlatformCanvas* TransportDIB::GetPlatformCanvas(int w, int h) {
-  return new skia::PlatformCanvas(w, h, true,
-                                  reinterpret_cast<uint8_t*>(memory()));
-}
-
-void* TransportDIB::memory() const {
-  DCHECK_NE(address_, kInvalidAddress);
-  return address_;
-}
-
-TransportDIB::Id TransportDIB::id() const {
-  return key_;
-}
-
-TransportDIB::Handle TransportDIB::handle() const {
-  return key_;
-}
-
-XID TransportDIB::MapToX(Display* display) {
-  if (!x_shm_) {
-    x_shm_ = x11_util::AttachSharedMemory(display, key_);
-    display_ = display;
-  }
-
-  return x_shm_;
-}