HDR: Do nonlinear blending in the compositor

cc/output/gl_renderer_unittest.cc

 // Copyright 2012 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 <stdint.h>
 
 #include <set>
 #include <vector>
@@ skipping 120 matching lines @@
   void TearDown() override {
     GLRendererPixelTest::TearDown();
     ASSERT_FALSE(renderer()->IsContextLost());
   }
 
   void TestShader(const ProgramKey& program_key) {
     renderer()->SetCurrentFrameForTesting(GLRenderer::DrawingFrame());
     const size_t kNumSrcColorSpaces = 4;
     gfx::ColorSpace src_color_spaces[kNumSrcColorSpaces] = {
         gfx::ColorSpace(), gfx::ColorSpace::CreateSRGB(),
-        gfx::ColorSpace::CreateREC709(),
+        gfx::ColorSpace::CreateREC709(), gfx::ColorSpace::CreateExtendedSRGB(),
     };
     const size_t kNumDstColorSpaces = 3;
     gfx::ColorSpace dst_color_spaces[kNumDstColorSpaces] = {
         gfx::ColorSpace(), gfx::ColorSpace::CreateSRGB(),
         gfx::ColorSpace::CreateSCRGBLinear(),
     };
     for (size_t i = 0; i < kNumDstColorSpaces; ++i) {
       for (size_t j = 0; j < kNumSrcColorSpaces; ++j) {
         renderer()->SetUseProgram(program_key, src_color_spaces[j],
                                   dst_color_spaces[i]);
@@ skipping 1900 matching lines @@
   renderer_->SetVisible(true);
   Mock::VerifyAndClearExpectations(context_support_ptr_);
 
   EXPECT_CALL(*context_support_ptr_, SetAggressivelyFreeResources(true));
   renderer_->SetVisible(false);
   Mock::VerifyAndClearExpectations(context_support_ptr_);
 }
 
 }  // namespace
 }  // namespace cc