Bug 768887 - Remove redundant method. r=bnicholson

mobile/android/base/BrowserApp.java

@@ -296,7 +296,7 @@ abstract public class BrowserApp extends GeckoApp
     void focusChrome() {
         mMainHandler.post(new Runnable() {
             public void run() {
-                mBrowserToolbar.setVisibility(View.VISIBLE);
+                mBrowserToolbar.show();
                 mBrowserToolbar.requestFocusFromTouch();
             }
         });

mobile/android/base/BrowserToolbar.java

@@ -726,10 +726,6 @@ public class BrowserToolbar implements ViewSwitcher.ViewFactory,
         setPageActionVisibility(mStop.getVisibility() == View.VISIBLE);
     }
 
-    public void setVisibility(int visibility) {
-        mLayout.setVisibility(visibility);
-    }
-
     public void requestFocusFromTouch() {
         mLayout.requestFocusFromTouch();
     }