Switch Canvas2DLayerBridge to new SkColorSpace gamma APIs

third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 755 matching lines @@
 }
 
 static gfx::ColorSpace SkColorSpaceToColorSpace(const SkColorSpace* skColorSpace)
 {
     // TODO(crbug.com/634102): Eliminate this clumsy conversion by unifying
     // SkColorSpace and gfx::ColorSpace.
     if (!skColorSpace)
         return gfx::ColorSpace();
 
     gfx::ColorSpace::TransferID transferID = gfx::ColorSpace::TransferID::UNSPECIFIED;
-    switch (skColorSpace->gammaNamed()) {
-    case SkColorSpace::kSRGB_GammaNamed:
+    if (skColorSpace->gammaCloseToSRGB()) {
         transferID = gfx::ColorSpace::TransferID::IEC61966_2_1;
-        break;
-    case SkColorSpace::kLinear_GammaNamed:
+    } else if (skColorSpace->gammaIsLinear()) {
         transferID = gfx::ColorSpace::TransferID::LINEAR;
-        break;
-    default:
+    } else {
         // TODO(crbug.com/634102): Not all curve type are supported
         DCHECK(false);
     }
 
     // TODO(crbug.com/634102): No primary conversions are performed.
     // Rec-709 is assumed.
     return gfx::ColorSpace(gfx::ColorSpace::PrimaryID::BT709, transferID, gfx::ColorSpace::MatrixID::RGB, gfx::ColorSpace::RangeID::FULL);
 }
 
 bool Canvas2DLayerBridge::PrepareTextureMailbox(
@@ skipping 222 matching lines @@
 Canvas2DLayerBridge::MailboxInfo::MailboxInfo() = default;
 Canvas2DLayerBridge::MailboxInfo::MailboxInfo(const MailboxInfo& other) = default;
 
 void Canvas2DLayerBridge::Logger::reportHibernationEvent(HibernationEvent event)
 {
     DEFINE_STATIC_LOCAL(EnumerationHistogram, hibernationHistogram, ("Canvas.HibernationEvents", HibernationEventCount));
     hibernationHistogram.count(event);
 }
 
 } // namespace blink