color: Enable color conversion in image decoder caches

cc/tiles/software_image_decode_cache.h

Index: cc/tiles/software_image_decode_cache.h
diff --git a/cc/tiles/software_image_decode_cache.h b/cc/tiles/software_image_decode_cache.h
index fc894e069cdd86fd0d258b4e2783b880f6020199..eb24fd9c298665ac5cc003e64c7dbec6d46fc7b5 100644
--- a/cc/tiles/software_image_decode_cache.h
+++ b/cc/tiles/software_image_decode_cache.h
@@ -249,18 +249,20 @@ class CC_EXPORT SoftwareImageDecodeCache
   DecodedDrawImage GetDecodedImageForDrawInternal(const ImageKey& key,
                                                   const DrawImage& draw_image);
 
-  // GetOriginalImageDecode is called by DecodeImageInternal when the quality
-  // does not scale the image. Like DecodeImageInternal, it should be called
-  // with no lock acquired and it returns nullptr if the decoding failed.
-  std::unique_ptr<DecodedImage> GetOriginalImageDecode(
+  // GetOriginalSizeImageDecode is called by DecodeImageInternal when the
+  // quality does not scale the image. Like DecodeImageInternal, it should be
+  // called with no lock acquired and it returns nullptr if the decoding failed.
+  std::unique_ptr<DecodedImage> GetOriginalSizeImageDecode(
+      const ImageKey& key,
       sk_sp<const SkImage> image);
 
-  // GetSubrectImageDecode is similar to GetOriginalImageDecode in that no scale
-  // is performed on the image. However, we extract a subrect (copy it out) and
-  // only return this subrect in order to cache a smaller amount of memory. Note
-  // that this uses GetOriginalImageDecode to get the initial data, which
-  // ensures that we cache an unlocked version of the original image in case we
-  // need to extract multiple subrects (as would be the case in an atlas).
+  // GetSubrectImageDecode is similar to GetOriginalSizeImageDecode in that no
+  // scale is performed on the image. However, we extract a subrect (copy it
+  // out) and only return this subrect in order to cache a smaller amount of
+  // memory. Note that this uses GetOriginalSizeImageDecode to get the initial
+  // data, which ensures that we cache an unlocked version of the original image
+  // in case we need to extract multiple subrects (as would be the case in an
+  // atlas).
   std::unique_ptr<DecodedImage> GetSubrectImageDecode(
       const ImageKey& key,
       sk_sp<const SkImage> image);