make finals static, remove unused local

found by findbugs
http://b/issue?id=1856725
http://b/issue?id=1856786
diff --git a/src/com/android/browser/GearsBaseDialog.java b/src/com/android/browser/GearsBaseDialog.java
index 638ba27..9a56cb8 100644
--- a/src/com/android/browser/GearsBaseDialog.java
+++ b/src/com/android/browser/GearsBaseDialog.java
@@ -56,7 +56,7 @@
   protected String mDialogArguments;
 
   private Bitmap mIcon;
-  private final int MAX_ICON_SIZE = 64;
+  private static final int MAX_ICON_SIZE = 64;
   protected int mChoosenIconSize;
 
   // Dialog closing types
@@ -341,7 +341,6 @@
         HttpURLConnection connection = (HttpURLConnection) url.openConnection();
         connection.setDoInput(true);
         connection.connect();
-        int length = connection.getContentLength();
         InputStream is = connection.getInputStream();
         Bitmap customIcon = BitmapFactory.decodeStream(is);
         if (customIcon != null) {