VAVEA: Turn VAAPI encoder flag into a kill switch.

content/common/gpu/media/vaapi_video_encode_accelerator.cc

 // Copyright 2014 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 "content/common/gpu/media/vaapi_video_encode_accelerator.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 92 matching lines @@
   const scoped_ptr<base::SharedMemory> shm;
   const size_t size;
 };
 
 // static
 std::vector<media::VideoEncodeAccelerator::SupportedProfile>
 VaapiVideoEncodeAccelerator::GetSupportedProfiles() {
   std::vector<SupportedProfile> profiles;
 
   const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
-  if (!cmd_line->HasSwitch(switches::kEnableVaapiAcceleratedVideoEncode))
+  if (cmd_line->HasSwitch(switches::kDisableVaapiAcceleratedVideoEncode))
     return profiles;
 
   SupportedProfile profile;
   profile.profile = media::H264PROFILE_MAIN;
   profile.max_resolution.SetSize(1920, 1088);
   profile.max_framerate.numerator = kDefaultFramerate;
   profile.max_framerate.denominator = 1;
   profiles.push_back(profile);
 
   // This is actually only constrained (see crbug.com/345569).
@@ skipping 938 matching lines @@
 }
 
 VaapiVideoEncodeAccelerator::EncodeJob::EncodeJob()
     : coded_buffer(VA_INVALID_ID), keyframe(false) {
 }
 
 VaapiVideoEncodeAccelerator::EncodeJob::~EncodeJob() {
 }
 
 }  // namespace content