cc: Add pixel tests for transfer function shaders

cc/output/gl_renderer.cc

 // Copyright 2010 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 "cc/output/gl_renderer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 2986 matching lines @@
 void GLRenderer::SetUseProgram(const ProgramKey& program_key,
                                const gfx::ColorSpace& src_color_space) {
   // Ensure that we do not apply any color conversion unless the color correct
   // rendering flag has been specified. This is because media mailboxes will
   // provide YUV color spaces despite YUV to RGB conversion already having been
   // performed.
   // TODO(ccameron): Ensure that media mailboxes be accurate.
   // https://crbug.com/699243
   // The source color space for non-YUV draw quads should always be full-range
   // RGB.
-  DCHECK_EQ(src_color_space, src_color_space.GetAsFullRangeRGB());
   if (settings_->enable_color_correct_rendering) {
     SetUseProgram(program_key, src_color_space,
                   current_frame()->current_render_pass->color_space);
   } else {
+    DCHECK_EQ(src_color_space, src_color_space.GetAsFullRangeRGB());
     SetUseProgram(program_key, gfx::ColorSpace(), gfx::ColorSpace());
   }
 }
 
 void GLRenderer::SetUseProgram(const ProgramKey& program_key_no_color,
                                const gfx::ColorSpace& src_color_space,
                                const gfx::ColorSpace& dst_color_space) {
   ProgramKey program_key = program_key_no_color;
   const gfx::ColorTransform* color_transform =
       GetColorTransform(src_color_space, dst_color_space);
@@ skipping 564 matching lines @@
     return;
 
   // Report GPU overdraw as a percentage of |max_result|.
   TRACE_COUNTER1(
       TRACE_DISABLED_BY_DEFAULT("cc.debug.overdraw"), "GPU Overdraw",
       (std::accumulate(overdraw->begin(), overdraw->end(), 0) * 100) /
           max_result);
 }
 
 }  // namespace cc