Remove sandbox on Windows.

content/gpu/gpu_main.cc

 // Copyright (c) 2012 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 <stddef.h>
 #include <stdlib.h>
 
 #include <utility>
 
 #include "base/lazy_instance.h"
@@ skipping 39 matching lines @@
 
 #if defined(OS_ANDROID)
 #include "base/trace_event/memory_dump_manager.h"
 #include "components/tracing/graphics_memory_dump_provider_android.h"
 #endif
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #include "base/win/scoped_com_initializer.h"
 #include "content/common/gpu/media/dxva_video_decode_accelerator_win.h"
-#include "sandbox/win/src/sandbox.h"
 #endif
 
 #if defined(USE_X11)
 #include "ui/base/x/x11_util.h"
 #include "ui/gfx/x/x11_switches.h"
 #endif
 
 #if defined(OS_LINUX)
 #include "content/public/common/sandbox_init.h"
 #endif
@@ skipping 29 matching lines @@
 #if !defined(OS_MACOSX)
 bool CollectGraphicsInfo(gpu::GPUInfo& gpu_info);
 #endif
 
 #if defined(OS_LINUX)
 #if !defined(OS_CHROMEOS)
 bool CanAccessNvidiaDeviceFile();
 #endif
 bool StartSandboxLinux(const gpu::GPUInfo&, GpuWatchdogThread*, bool);
 #elif defined(OS_WIN)
-bool StartSandboxWindows(const sandbox::SandboxInterfaceInfo*);
 #endif
 
 base::LazyInstance<GpuChildThread::DeferredMessages> deferred_messages =
     LAZY_INSTANCE_INITIALIZER;
 
 bool GpuProcessLogMessageHandler(int severity,
                                  const char* file, int line,
                                  size_t message_start,
                                  const std::string& str) {
   std::string header = str.substr(0, message_start);
@@ skipping 241 matching lines @@
 
 #if defined(OS_LINUX)
     should_initialize_gl_context = !initialized_gl_context &&
                                    !dead_on_arrival;
 
     if (!initialized_sandbox) {
       gpu_info.sandboxed = StartSandboxLinux(gpu_info, watchdog_thread.get(),
                                              should_initialize_gl_context);
     }
 #elif defined(OS_WIN)
-    gpu_info.sandboxed = StartSandboxWindows(parameters.sandbox_info);
+    gpu_info.sandboxed = false;
 #elif defined(OS_MACOSX)
     gpu_info.sandboxed = Sandbox::SandboxIsCurrentlyActive();
 #endif
   } else {
     dead_on_arrival = true;
   }
 
   logging::SetLogMessageHandler(NULL);
 
   scoped_ptr<GpuMemoryBufferFactory> gpu_memory_buffer_factory;
@@ skipping 181 matching lines @@
   if (watchdog_thread) {
     base::Thread::Options options;
     options.timer_slack = base::TIMER_SLACK_MAXIMUM;
     watchdog_thread->StartWithOptions(options);
   }
 
   return res;
 }
 #endif  // defined(OS_LINUX)
 
-#if defined(OS_WIN)
-bool StartSandboxWindows(const sandbox::SandboxInterfaceInfo* sandbox_info) {
-  TRACE_EVENT0("gpu,startup", "Lower token");
-
-  // For Windows, if the target_services interface is not zero, the process
-  // is sandboxed and we must call LowerToken() before rendering untrusted
-  // content.
-  sandbox::TargetServices* target_services = sandbox_info->target_services;
-  if (target_services) {
-    target_services->LowerToken();
-    return true;
-  }
-
-  return false;
-}
-#endif  // defined(OS_WIN)
-
 }  // namespace.
 
 }  // namespace content