Revert "Add support for "browser:" protocol"

This reverts commit c0272db15121ba10229bf9de6a4200f5e6e4c518.

Change-Id: I4395d4f85f7e80e53ce9e8bfa43abcf25f34c636
diff --git a/src/com/android/browser/UrlUtils.java b/src/com/android/browser/UrlUtils.java
index e5fd17e..4d3dee4 100755
--- a/src/com/android/browser/UrlUtils.java
+++ b/src/com/android/browser/UrlUtils.java
@@ -47,7 +47,7 @@
     static final Pattern ACCEPTED_URI_SCHEMA = Pattern.compile(
             "(?i)" + // switch on case insensitive matching
             "(" +    // begin group for schema
-            "(?:http|https|file|browser):\\/\\/" +
+            "(?:http|https|file|chrome):\\/\\/" +
             "|(?:inline|data|about|javascript):" +
             ")" +
             "(.*)" );
@@ -206,7 +206,8 @@
         if (inUrl == null) {
             return "";
         }
-        if (inUrl.startsWith("content:")) {
+        if (inUrl.startsWith("content:")
+                || inUrl.startsWith("browser:")) {
             return "";
         }
         return inUrl;