FPII-616:enable the "text scaling" function of Browser

The functionality of "Text scaling" option in Browser Settings is invalid

Change-Id: I89e2ea5af98e2261d330e1cc5fe4d6b77cec903e
diff --git a/src/com/android/browser/BrowserSettings.java b/src/com/android/browser/BrowserSettings.java
index 586db28..c843061 100644
--- a/src/com/android/browser/BrowserSettings.java
+++ b/src/com/android/browser/BrowserSettings.java
@@ -364,7 +364,7 @@
                 LayoutAlgorithm.TEXT_AUTOSIZING : LayoutAlgorithm.NARROW_COLUMNS;
 
         if (autofitPages()) {
-            layoutAlgorithm = autosize;
+            layoutAlgorithm = LayoutAlgorithm.NARROW_COLUMNS;
         }
         if (isDebugEnabled()) {
             if (isNormalLayout()) {