Content blocks compilation fails on missing methods in Violation object

Due to the changes in CMS7-7334, the content blocks plugin (one of the certified plugins) no longer compiles:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile (default-compile) on project content-blocks: Compilation failure: Compilation failure:
[ERROR] /home/mathijs/projects/forge/contentblocks/hippo-cms-7.9/src/main/java/org/onehippo/forge/contentblocks/validator/ContentBlocksValidator.java:[123,53] error: cannot find symbol
[ERROR] symbol: method getResourceBundleClass()
[ERROR] location: variable violation of type Violation
[ERROR] /home/mathijs/projects/forge/contentblocks/hippo-cms-7.9/src/main/java/org/onehippo/forge/contentblocks/validator/ContentBlocksValidator.java:[123,89] error: cannot find symbol
[ERROR] symbol: method getMessageKey()
[ERROR] location: variable violation of type Violation
[ERROR] /home/mathijs/projects/forge/contentblocks/hippo-cms-7.9/src/main/java/org/onehippo/forge/contentblocks/validator/ContentBlocksValidator.java:[123,116] error: cannot find symbol