Revert "GWT support for Chrome Frame"

This reverts commit r10250.

Fixes issue 6665.

Patch by: t.broyer
Review at https://gwt-code-reviews.appspot.com/1713803/

Review by: cromwellian@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@11045 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/useragent/rebind/UserAgentPropertyGenerator.java b/user/src/com/google/gwt/useragent/rebind/UserAgentPropertyGenerator.java
index 0a44fd5..742c7f7 100644
--- a/user/src/com/google/gwt/useragent/rebind/UserAgentPropertyGenerator.java
+++ b/user/src/com/google/gwt/useragent/rebind/UserAgentPropertyGenerator.java
@@ -57,28 +57,10 @@
         .println("return (ua.indexOf('opera') != -1);")
       .returns("'opera'"),
 
-      // webkit family (chrome, safari and chromeframe).
+      // webkit family
       new UserAgentPropertyGeneratorPredicate("safari")
       .getPredicateBlock()
-        .println("return (")
-          .println("(ua.indexOf('webkit') != -1)")
-          .println("||")
-          .println("(function() {")
-            .println("if (ua.indexOf('chromeframe') != -1) {")
-              .println("return true;")
-            .println("}")
-            .println("if (typeof window['ActiveXObject'] != 'undefined') {")
-              .println("try {")
-                .println("var obj = new ActiveXObject('ChromeTab.ChromeFrame');")
-                .println("if (obj) {")
-                  .println("obj.registerBhoIfNeeded();")
-                  .println("return true;")
-                .println("}")
-              .println("} catch(e) { }")
-            .println("}")
-            .println("return false;")
-            .println("})()")
-        .println(")")
+        .println("return (ua.indexOf('webkit') != -1);")
       .returns("'safari'"),
 
       // IE9