Ensure that the correct open gl context is made current before attempting to write to the open

content/common/gpu/media/video_decode_accelerator_unittest.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.
 //
 // The bulk of this file is support code; sorry about that.  Here's an overview
 // to hopefully help readers of this code:
 // - RenderingHelper is charged with interacting with X11/{EGL/GLES2,GLX/GL} or
 //   Win/EGL.
 // - ClientState is an enum for the state of the decode client used by the test.
 // - ClientStateNotification is a barrier abstraction that allows the test code
@@ skipping 292 matching lines @@
   CHECK_GT(num_play_throughs, 0);
 }
 
 GLRenderingVDAClient::~GLRenderingVDAClient() {
   DeleteDecoder();  // Clean up in case of expected error.
   CHECK(decoder_deleted());
   STLDeleteValues(&picture_buffers_by_id_);
   SetState(CS_DESTROYED);
 }
 
-#if !defined(OS_WIN) && !defined(OS_MACOSX) && defined(ARCH_CPU_X86_FAMILY)
+#if !defined(OS_MACOSX) && defined(ARCH_CPU_X86_FAMILY)
 static bool DoNothingReturnTrue() { return true; }
 #endif
 
 void GLRenderingVDAClient::CreateDecoder() {
   CHECK(decoder_deleted());
   CHECK(!decoder_.get());
 #if defined(OS_WIN)
-  decoder_.reset(new DXVAVideoDecodeAccelerator(this));
+  decoder_.reset(new DXVAVideoDecodeAccelerator(
+      this, base::Bind(&DoNothingReturnTrue)));
 #elif defined(OS_MACOSX)
   decoder_.reset(new MacVideoDecodeAccelerator(
       static_cast<CGLContextObj>(rendering_helper_->GetGLContext()), this));
 #elif defined(ARCH_CPU_ARMEL)
   decoder_.reset(
       new OmxVideoDecodeAccelerator(
           static_cast<EGLDisplay>(rendering_helper_->GetGLDisplay()),
           static_cast<EGLContext>(rendering_helper_->GetGLContext()),
           this));
 #elif defined(ARCH_CPU_X86_FAMILY)
@@ skipping 557 matching lines @@
 #if defined(OS_WIN)
   DXVAVideoDecodeAccelerator::PreSandboxInitialization();
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL)
   OmxVideoDecodeAccelerator::PreSandboxInitialization();
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY)
   VaapiVideoDecodeAccelerator::PreSandboxInitialization();
 #endif
 
   return RUN_ALL_TESTS();
 }