Mac: Workaround IOSurface color behavior change in 10.12

ui/gfx/mac/io_surface.cc

 // Copyright 2015 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 "ui/gfx/mac/io_surface.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/logging.h"
@@ skipping 159 matching lines @@
 
   if (should_clear) {
     // Zero-initialize the IOSurface. Calling IOSurfaceLock/IOSurfaceUnlock
     // appears to be sufficient. https://crbug.com/584760#c17
     IOReturn r = IOSurfaceLock(surface, 0, nullptr);
     DCHECK_EQ(kIOReturnSuccess, r);
     r = IOSurfaceUnlock(surface, 0, nullptr);
     DCHECK_EQ(kIOReturnSuccess, r);
   }
 
+  bool force_system_color_space = false;
+
   // Displaying an IOSurface that does not have a color space using an
   // AVSampleBufferDisplayLayer can result in a black screen. Specify the
   // main display's color profile by default, which will result in no color
   // correction being done for the main monitor (which is the behavior of not
   // specifying a color space).
   // https://crbug.com/608879
-  if (format == gfx::BufferFormat::YUV_420_BIPLANAR) {
-    base::ScopedCFTypeRef<CGColorSpaceRef> color_space(
-        CGDisplayCopyColorSpace(CGMainDisplayID()));
+  if (format == gfx::BufferFormat::YUV_420_BIPLANAR)
+    force_system_color_space = true;
+
+  // On Sierra, all IOSurfaces are color corrected as though they are in sRGB
+  // color space by default. Prior to Sierra, IOSurfaces were not color
+  // corrected (they were treated as though they were in the display color
+  // space). Override this by defaulting IOSurfaces to be in the main display
+  // color space.
+  // https://crbug.com/654488
+  if (base::mac::IsAtLeastOS10_12())
+    force_system_color_space = true;
+
+  if (force_system_color_space) {
+    CGColorSpaceRef color_space = base::mac::GetSystemColorSpace();
     base::ScopedCFTypeRef<CFDataRef> color_space_icc(
         CGColorSpaceCopyICCProfile(color_space));
     // Note that nullptr is an acceptable input to IOSurfaceSetValue.
     IOSurfaceSetValue(surface, CFSTR("IOSurfaceColorSpace"), color_space_icc);
   }
 
   UMA_HISTOGRAM_TIMES("GPU.IOSurface.CreateTime",
                       base::TimeTicks::Now() - start_time);
   return surface;
 }
 
 }  // namespace gfx