[wasm] [asmjs] Route asm.js warnings to the dev console.

test/cctest/asmjs/test-asm-typer.cc

Index: test/cctest/asmjs/test-asm-typer.cc
diff --git a/test/cctest/asmjs/test-asm-typer.cc b/test/cctest/asmjs/test-asm-typer.cc
index d345774dbf0efa5a856d20863f1ccce99a52f11f..e5ea893cb28601bbdeb8b1bd75e1740d6e27dfdd 100644
--- a/test/cctest/asmjs/test-asm-typer.cc
+++ b/test/cctest/asmjs/test-asm-typer.cc
@@ -260,12 +260,14 @@ class AsmTyperHarnessBuilder {
       return false;
     }
 
-    if (std::strstr(typer_->error_message(), error_message) == nullptr) {
+    std::unique_ptr<char[]> msg = i::MessageHandler::GetLocalizedMessage(
+        isolate_, typer_->error_message());
+    if (std::strstr(msg.get(), error_message) == nullptr) {
       std::cerr << "Asm validation failed with the wrong error message:\n"
                    "Expected to contain '"
                 << error_message << "'\n"
                                     "       Actually is  '"
-                << typer_->error_message() << "'\n";
+                << msg.get() << "'\n";
       return false;
     }