Missed some cases

Author: thomastanck

src/gameobjects/components/Alpha.js

@@ -81,7 +81,7 @@ var Alpha = {
      * @method Phaser.GameObjects.Components.Alpha#clearAlpha
      * @since 3.0.0
      * 
-     * @return {Phaser.GameObjects.GameObject} This Game Object instance.
+     * @return {this} This Game Object instance.
      */
     clearAlpha: function ()
     {

src/gameobjects/components/Origin.js

@@ -116,7 +116,7 @@ var Origin = {
      * @param {number} [x=0.5] - The horizontal origin value.
      * @param {number} [y=x] - The vertical origin value. If not defined it will be set to the value of `x`.
      *
-     * @return {Phaser.GameObjects.GameObject} This Game Object instance.
+     * @return {this} This Game Object instance.
      */
     setOrigin: function (x, y)
     {
@@ -135,7 +135,7 @@ var Origin = {
      * @method Phaser.GameObjects.Components.Origin#setOriginFromFrame
      * @since 3.0.0
      *
-     * @return {Phaser.GameObjects.GameObject} This Game Object instance.
+     * @return {this} This Game Object instance.
      */
     setOriginFromFrame: function ()
     {

src/gameobjects/components/Texture.js

@@ -45,7 +45,7 @@ var Texture = {
      * @param {string} key - The key of the texture to be used, as stored in the Texture Manager.
      * @param {(string|integer)} [frame] - The name or index of the frame within the Texture.
      *
-     * @return {Phaser.GameObjects.GameObject} This Game Object instance.
+     * @return {this} This Game Object instance.
      */
     setTexture: function (key, frame)
     {