Move Canvas and WebGL Image Chromium behind experiments.

content/public/common/content_features.cc

Index: content/public/common/content_features.cc
diff --git a/content/public/common/content_features.cc b/content/public/common/content_features.cc
index 1d005ff7ed644b9f64745d0ae5d92c3659ef12a3..367fa03b5a11d023bd5bf4586b9fe36107162c2a 100644
--- a/content/public/common/content_features.cc
+++ b/content/public/common/content_features.cc
@@ -14,6 +14,11 @@ namespace features {
 const base::Feature kBrotliEncoding{"brotli-encoding",
                                     base::FEATURE_ENABLED_BY_DEFAULT};
 
+// If Canvas2D Image Chromium is allowed, this feature controls whether it is
+// enabled.
+const base::Feature kCanvas2DImageChromium{"Canvas2DImageChromium",
+                                           base::FEATURE_ENABLED_BY_DEFAULT};
+
 // Enables the credential management API:
 // https://w3c.github.io/webappsec-credential-management/
 const base::Feature kCredentialManagementAPI{"CredentialManagementAPI",
@@ -110,6 +115,11 @@ const base::Feature kTokenBinding{"token-binding",
 const base::Feature kWeakMemoryCache{"WeakMemoryCache",
                                      base::FEATURE_DISABLED_BY_DEFAULT};
 
+// If WebGL Image Chromium is allowed, this feature controls whether it is
+// enabled.
+const base::Feature kWebGLImageChromium{"WebGLImageChromium",
+                                        base::FEATURE_ENABLED_BY_DEFAULT};
+
 // Makes WebRTC use ECDSA certs by default (i.e., when no cert type was
 // specified in JS).
 const base::Feature kWebRtcEcdsaDefault {"WebRTC-EnableWebRtcEcdsa",