Bug 1515116 - Remove all useless constructor methods on Fronts. r=jdescottes

Depends on D14914

Differential Revision: https://phabricator.services.mozilla.com/D14915

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

devtools/shared/fronts/actor-registry.js

@@ -11,9 +11,6 @@ const { FrontClassWithSpec, registerFront } = require("devtools/shared/protocol"
 loader.lazyImporter(this, "NetUtil", "resource://gre/modules/NetUtil.jsm");
 
 class ActorActorFront extends FrontClassWithSpec(actorActorSpec) {
-  constructor(client, form) {
-    super(client, form);
-  }
 }
 
 exports.ActorActorFront = ActorActorFront;

devtools/shared/fronts/function-call.js

@@ -10,10 +10,6 @@ const { FrontClassWithSpec, registerFront } = require("devtools/shared/protocol"
  * The corresponding Front object for the FunctionCallActor.
  */
 class FunctionCallFront extends FrontClassWithSpec(functionCallSpec) {
-  constructor(client, form) {
-    super(client, form);
-  }
-
   /**
    * Adds some generic information directly to this instance,
    * to avoid extra roundtrips.

devtools/shared/fronts/node.js

@@ -26,10 +26,6 @@ const HIDDEN_CLASS = "__fx-devtools-hide-shortcut__";
  * Client side of a node list as returned by querySelectorAll()
  */
 class NodeListFront extends FrontClassWithSpec(nodeListSpec) {
-  constructor(client, form) {
-    super(client, form);
-  }
-
   marshallPool() {
     return this.parent();
   }

devtools/shared/fronts/string.js

@@ -9,10 +9,6 @@ const {longStringSpec, SimpleStringFront} = require("devtools/shared/specs/strin
 const { FrontClassWithSpec, registerFront } = require("devtools/shared/protocol");
 
 class LongStringFront extends FrontClassWithSpec(longStringSpec) {
-  constructor(client) {
-    super(client);
-  }
-
   destroy() {
     this.initial = null;
     this.length = null;

devtools/shared/fronts/webgl.js

@@ -14,9 +14,6 @@ const { FrontClassWithSpec, registerFront } = require("devtools/shared/protocol"
  * The corresponding Front object for the ShaderActor.
  */
 class ShaderFront extends FrontClassWithSpec(shaderSpec) {
-  constructor(client, form) {
-    super(client, form);
-  }
 }
 
 exports.ShaderFront = ShaderFront;
@@ -26,9 +23,6 @@ registerFront(ShaderFront);
  * The corresponding Front object for the ProgramActor.
  */
 class ProgramFront extends FrontClassWithSpec(programSpec) {
-  constructor(client, form) {
-    super(client, form);
-  }
 }
 
 exports.ProgramFront = ProgramFront;