[wasm][asm.js] Routing asm.js warnings to the dev console.

third_party/WebKit/LayoutTests/VirtualTestSuites

 [
   {
     "prefix": "color_space",
     "base": "fast/canvas/color-space",
     "args": ["--enable-color-correct-rendering",
              "--enable-true-color-rendering"]
   },
   {
     "prefix": "gpu",
     "base": "fast/canvas",
@@ skipping 283 matching lines @@
     "prefix": "scalefactor150",
     "base": "fast/events/synthetic-events",
     "args": ["--force-device-scale-factor=1.5"]
   },
   {
     "prefix": "enable_wasm",
     "base": "http/tests/wasm",
     "args": ["--enable-features=WebAssembly"]
   },
   {
+    "prefix": "enable_asmjs",
+    "base": "http/tests/asmjs",
+    "args": ["--enable-features=AsmJsToWebAssembly"]
+  },
+  {
     "prefix": "disable-mojo-service-worker",
     "base": "http/tests/serviceworker",
     "args": ["--disable-mojo-service-worker"]
   },
   {
     "prefix": "service-worker-navigation-preload",
     "base": "http/tests/serviceworker",
     "args": ["--enable-features=ServiceWorkerNavigationPreload"]
   },
   {
@@ skipping 35 matching lines @@
     "prefix": "spinvalidation",
     "base": "paint",
     "args": ["--enable-blink-features=SlimmingPaintInvalidation"]
   },
   {
     "prefix": "spinvalidation",
     "base": "svg",
     "args": ["--enable-blink-features=SlimmingPaintInvalidation"]
   }
 ]