Bug 1613845 - Remove print helper. r=jdescottes.

Differential Revision: https://phabricator.services.mozilla.com/D61989

--HG--
extra : moz-landing-system : lando

devtools/server/actors/webconsole/eval-with-debugger.js

@@ -656,11 +656,8 @@ function bindCommands(isCmd, dbgWindow, bindSelf, frame, helpers) {
   }
   // Check if the Debugger.Frame or Debugger.Object for the global include any of the
   // helper function we set. We will not overwrite these functions with the Web Console
-  // commands. The exception being "print" which should exist everywhere as
-  // `window.print`, and that we don't want to trigger from the console.
-  const availableHelpers = [
-    ...WebConsoleCommands._originalCommands.keys(),
-  ].filter(h => h !== "print");
+  // commands.
+  const availableHelpers = [...WebConsoleCommands._originalCommands.keys()];
 
   let helpersToDisable = [];
   const helperCache = {};

devtools/server/actors/webconsole/utils.js

@@ -599,25 +599,6 @@ WebConsoleCommands._registerOriginal("inspect", function(
   };
 });
 
-/**
- * Print the String representation of a value to the output, as-is.
- *
- * @param any value
- *        A value you want to output as a string.
- * @return void
- */
-WebConsoleCommands._registerOriginal("print", function(owner, value) {
-  owner.helperResult = { rawOutput: true };
-  if (typeof value === "symbol") {
-    return Symbol.prototype.toString.call(value);
-  }
-  // Waiving Xrays here allows us to see a closer representation of the
-  // underlying object. This may execute arbitrary content code, but that
-  // code will run with content privileges, and the result will be rendered
-  // inert by coercing it to a String.
-  return String(Cu.waiveXrays(value));
-});
-
 /**
  * Copy the String representation of a value to the clipboard.
  *