Remove all calls to domAutomationController.setAutomationId.

chrome/test/data/gpu/webgl_conformance.html

Index: chrome/test/data/gpu/webgl_conformance.html
diff --git a/chrome/test/data/gpu/webgl_conformance.html b/chrome/test/data/gpu/webgl_conformance.html
index 445a1500d821cf7131d9116ff1a9601b093baa91..80eaa238fdc59a133137d083ff6a22c6e3876e14 100644
--- a/chrome/test/data/gpu/webgl_conformance.html
+++ b/chrome/test/data/gpu/webgl_conformance.html
@@ -51,7 +51,6 @@ function start(start_url) {
         } else {
           messages.push("SUCCESS");
         }
-        domAutomationController.setAutomationId(1);
         domAutomationController.send(messages.join("\n"));
         break;
     }
@@ -76,7 +75,6 @@ function start(start_url) {
   // Assert the WebGL context exists.
   gl = create3DContext();
   if (!gl) {
-    domAutomationController.setAutomationId(1);
     domAutomationController.send("FAILURE: unable to fetch WebGL context");
     return;
   }