Eliminate runtime's direct dependeny on wasmparser.

lib/runtime/Cargo.toml

@@ -10,5 +10,4 @@ license = "Apache-2.0 WITH LLVM-exception"
 [dependencies]
 cranelift-codegen = "0.18.1"
 cranelift-wasm = "0.18.1"
-wasmparser = "0.17.2"
 target-lexicon = "0.0.3"

lib/runtime/src/lib.rs

@@ -8,7 +8,6 @@
 extern crate cranelift_codegen;
 extern crate cranelift_wasm;
 extern crate target_lexicon;
-extern crate wasmparser;
 
 pub mod compilation;
 pub mod instance;
@@ -590,9 +589,8 @@ impl<'data, 'module> ModuleTranslation<'data, 'module> {
                 self.module.signatures[self.module.functions[func_index]].clone();
 
             let mut trans = FuncTranslator::new();
-            let reader = wasmparser::BinaryReader::new(input);
             trans
-                .translate_from_reader(reader, &mut context.func, &mut self.func_env())
+                .translate(input, &mut context.func, &mut self.func_env())
                 .map_err(|e| e.to_string())?;
 
             let mut code_buf: Vec<u8> = Vec::new();