Disable BT.709 to BT.601 conversion by default.

gpu/ipc/service/direct_composition_surface_win.cc

 // Copyright 2017 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 "gpu/ipc/service/direct_composition_surface_win.h"
 
 #include <d3d11_1.h>
 #include <dcomptypes.h>
 
 #include "base/feature_list.h"
@@ skipping 29 matching lines @@
 #define EGL_ANGLE_d3d_texture_client_buffer 1
 #define EGL_D3D_TEXTURE_ANGLE 0x33A3
 #endif /* EGL_ANGLE_d3d_texture_client_buffer */
 
 namespace gpu {
 namespace {
 
 // Some drivers fail to correctly handle BT.709 video in overlays. This flag
 // converts them to BT.601 in the video processor.
 const base::Feature kFallbackBT709VideoToBT601{
-    "FallbackBT709VideoToBT601", base::FEATURE_ENABLED_BY_DEFAULT};
+    "FallbackBT709VideoToBT601", base::FEATURE_DISABLED_BY_DEFAULT};
 
 // This class is used to make sure a specified surface isn't current, and upon
 // destruction it will make the surface current again if it had been before.
 class ScopedReleaseCurrent {
  public:
   explicit ScopedReleaseCurrent(gl::GLSurface* this_surface) {
     gl::GLContext* current_context = gl::GLContext::GetCurrent();
     bool was_current =
         current_context && current_context->IsCurrent(this_surface);
     if (was_current) {
@@ skipping 1000 matching lines @@
 DirectCompositionSurfaceWin::GetWindowTaskRunnerForTesting() {
   return child_window_.GetTaskRunnerForTesting();
 }
 
 base::win::ScopedComPtr<IDXGISwapChain1>
 DirectCompositionSurfaceWin::GetLayerSwapChainForTesting(size_t index) const {
   return layer_tree_->GetLayerSwapChainForTesting(index);
 }
 
 }  // namespace gpu