Add --enable-true-color-rendering flag

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 2013 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/renderer/gpu/render_widget_compositor.h"
 
 #include <stddef.h>
 #include <limits>
 #include <string>
 #include <utility>
@@ skipping 326 matching lines @@
   settings.can_use_lcd_text = compositor_deps->IsLcdTextEnabled();
   settings.use_distance_field_text =
       compositor_deps->IsDistanceFieldTextEnabled();
   settings.use_zero_copy = compositor_deps->IsZeroCopyEnabled();
   settings.use_partial_raster = compositor_deps->IsPartialRasterEnabled();
   settings.enable_elastic_overscroll =
       compositor_deps->IsElasticOverscrollEnabled();
   settings.renderer_settings.use_gpu_memory_buffer_resources =
       compositor_deps->IsGpuMemoryBufferCompositorResourcesEnabled();
   settings.enable_color_correct_rendering =
-      cmd.HasSwitch(cc::switches::kEnableColorCorrectRendering);
+      cmd.HasSwitch(cc::switches::kEnableColorCorrectRendering) ||
+      cmd.HasSwitch(cc::switches::kEnableTrueColorRendering);
   settings.renderer_settings.buffer_to_texture_target_map =
       compositor_deps->GetBufferToTextureTargetMap();
   settings.image_decode_tasks_enabled =
       compositor_deps->AreImageDecodeTasksEnabled();
 
   // Build LayerTreeSettings from command line args.
   LayerTreeSettingsFactory::SetBrowserControlsSettings(settings, cmd);
 
   settings.use_layer_lists = cmd.HasSwitch(cc::switches::kEnableLayerLists);
 
@@ skipping 782 matching lines @@
     float device_scale) {
   layer_tree_host_->GetLayerTree()->SetPaintedDeviceScaleFactor(device_scale);
 }
 
 void RenderWidgetCompositor::SetDeviceColorSpace(
     const gfx::ColorSpace& color_space) {
   layer_tree_host_->GetLayerTree()->SetDeviceColorSpace(color_space);
 }
 
 }  // namespace content