Enable VAAPI accelerated decode on Linux

content/common/gpu/media/jpeg_decode_accelerator_unittest.cc

 // Copyright 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.
 
 // This has to be included first.
 // See http://code.google.com/p/googletest/issues/detail?id=371
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 11 matching lines @@
 #include "base/strings/string_split.h"
 #include "base/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "content/common/gpu/media/video_accelerator_unittest_helpers.h"
 #include "media/base/test_data_util.h"
 #include "media/filters/jpeg_parser.h"
 #include "media/video/jpeg_decode_accelerator.h"
 #include "third_party/libyuv/include/libyuv.h"
 #include "ui/gfx/codec/jpeg_codec.h"
 
-#if defined(OS_CHROMEOS)
+#if defined(OS_CHROMEOS) || defined(OS_LINUX)
 #if defined(USE_V4L2_CODEC)
 #include "content/common/gpu/media/v4l2_device.h"
 #include "content/common/gpu/media/v4l2_jpeg_decode_accelerator.h"
 #endif
 #if defined(ARCH_CPU_X86_FAMILY)
 #include "content/common/gpu/media/vaapi_jpeg_decode_accelerator.h"
 #include "content/common/gpu/media/vaapi_wrapper.h"
 #endif
 #endif
 
@@ skipping 85 matching lines @@
 
 JpegClient::JpegClient(const std::vector<TestImageFile*>& test_image_files,
                        ClientStateNotification<ClientState>* note)
     : test_image_files_(test_image_files), state_(CS_CREATED), note_(note) {
 }
 
 JpegClient::~JpegClient() {
 }
 
 void JpegClient::CreateJpegDecoder() {
-#if defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY)
+#if (defined(OS_CHROMEOS) || defined(OS_LINUX))&& defined(ARCH_CPU_X86_FAMILY)
   decoder_.reset(
       new VaapiJpegDecodeAccelerator(base::ThreadTaskRunnerHandle::Get()));
 #elif defined(OS_CHROMEOS) && defined(USE_V4L2_CODEC)
   scoped_refptr<V4L2Device> device =
       V4L2Device::Create(V4L2Device::kJpegDecoder);
   if (!device.get()) {
     LOG(ERROR) << "V4L2Device::Create failed";
     SetState(CS_ERROR);
     return;
   }
@@ skipping 430 matching lines @@
 #endif
 
   content::g_env =
       reinterpret_cast<content::JpegDecodeAcceleratorTestEnvironment*>(
           testing::AddGlobalTestEnvironment(
               new content::JpegDecodeAcceleratorTestEnvironment(
                   jpeg_filenames)));
 
   return RUN_ALL_TESTS();
 }