Revert "web UIButton support BMFont"

Author: pandamicro

extensions/ccui/uiwidgets/UIButton.js

@@ -100,22 +100,12 @@ ccui.Button = ccui.Widget.extend(/** @lends ccui.Button# */{
         }
     },
 
-    _createTitleRendererIfNeeded: function (fntFile) {
+    _createTitleRendererIfNeeded: function ( ) {
         if(!this._titleRenderer) {
-            if(fntFile != null)
-            {
-                this._titleRenderer = new cc.LabelBMFont("", fntFile);
-                this._titleRenderer.setAlignment(cc.TEXT_ALIGNMENT_CENTER);
-            }
-            else
-            {
-                this._titleRenderer = new cc.LabelTTF("");
-                this._titleRenderer.setVerticalAlignment(cc.VERTICAL_TEXT_ALIGNMENT_CENTER);
-            }
-
-            this._titleRenderer.setAnchorPoint(0.5, 0.4);
+            this._titleRenderer = new cc.LabelTTF("");
+            this._titleRenderer.setAnchorPoint(0.5, 0.5);
             this._titleColor = cc.color.WHITE;
-
+            this._titleRenderer.setVerticalAlignment(cc.VERTICAL_TEXT_ALIGNMENT_CENTER);
             this.addProtectedChild(this._titleRenderer, ccui.Button.TITLE_RENDERER_ZORDER, -1);
         }
     },
@@ -667,11 +657,7 @@ ccui.Button = ccui.Widget.extend(/** @lends ccui.Button# */{
     setTitleFontSize: function (size) {
         this._createTitleRendererIfNeeded();
 
-        if(this._titleRenderer.setFontSize)
-            this._titleRenderer.setFontSize(size);
-        else
-            this._titleRenderer.setBoundingWidth(size);
-
+        this._titleRenderer.setFontSize(size);
         this._fontSize = size;
     },
 
@@ -719,9 +705,9 @@ ccui.Button = ccui.Widget.extend(/** @lends ccui.Button# */{
      * @param {String} fontName
      */
     setTitleFontName: function (fontName) {
-        this._createTitleRendererIfNeeded(fontName);
+        this._createTitleRendererIfNeeded();
 
-        this._titleRenderer.setFontName && this._titleRenderer.setFontName(fontName);
+        this._titleRenderer.setFontName(fontName);
         this._fontName = fontName;
     },