Remove sandbox on Windows.

content/gpu/gpu_main.cc

Index: content/gpu/gpu_main.cc
diff --git a/content/gpu/gpu_main.cc b/content/gpu/gpu_main.cc
index 6c65f5c5cdd947883983ee996f704f6e7fc2fb8f..780c2d1faf1a59e4d0981c728022857f2f2e702a 100644
--- a/content/gpu/gpu_main.cc
+++ b/content/gpu/gpu_main.cc
@@ -57,7 +57,6 @@
 #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)
@@ -107,7 +106,6 @@ 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 =
@@ -369,7 +367,7 @@ int GpuMain(const MainFunctionParams& parameters) {
                                              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
@@ -571,23 +569,6 @@ bool StartSandboxLinux(const gpu::GPUInfo& gpu_info,
 }
 #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