HDR: Do nonlinear blending in the compositor

mash/test/mash_test_suite.cc

 // Copyright 2016 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 "mash/test/mash_test_suite.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/memory/ptr_util.h"
 #include "base/path_service.h"
@@ skipping 50 matching lines @@
     return nullptr;
   }
   void RemoveReflector(ui::Reflector* reflector) override {}
   cc::FrameSinkId AllocateFrameSinkId() override {
     return frame_sink_id_allocator_.NextFrameSinkId();
   }
   cc::SurfaceManager* GetSurfaceManager() override { return &surface_manager_; }
   void SetDisplayVisible(ui::Compositor* compositor, bool visible) override {}
   void ResizeDisplay(ui::Compositor* compositor,
                      const gfx::Size& size) override {}
-  void SetDisplayColorSpace(ui::Compositor* compositor,
-                            const gfx::ColorSpace& color_space) override {}
+  void SetDisplayColorSpace(
+      ui::Compositor* compositor,
+      const gfx::ColorSpace& blending_color_space,
+      const gfx::ColorSpace& output_color_space) override {}
+
   void SetAuthoritativeVSyncInterval(ui::Compositor* compositor,
                                      base::TimeDelta interval) override {}
   void SetDisplayVSyncParameters(ui::Compositor* compositor,
                                  base::TimeTicks timebase,
                                  base::TimeDelta interval) override {}
   void SetOutputIsSecure(ui::Compositor* compositor, bool secure) override {}
 
   cc::TestTaskGraphRunner task_graph_runner_;
   cc::TestGpuMemoryBufferManager gpu_memory_buffer_manager_;
   cc::FrameSinkIdAllocator frame_sink_id_allocator_;
@@ skipping 28 matching lines @@
 }
 
 void MashTestSuite::Shutdown() {
   env_.reset();
   ui::ResourceBundle::CleanupSharedInstance();
   base::TestSuite::Shutdown();
 }
 
 }  // namespace test
 }  // namespace mash