Revert of Expose distiller functions to JavaScript

content/public/test/browser_test_utils.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_TEST_BROWSER_TEST_UTILS_H_
 #define CONTENT_PUBLIC_TEST_BROWSER_TEST_UTILS_H_
 
 #include <queue>
 #include <string>
 #include <vector>
@@ skipping 176 matching lines @@
 bool ExecuteScriptAndExtractInt(const ToRenderFrameHost& adapter,
                                 const std::string& script,
                                 int* result) WARN_UNUSED_RESULT;
 bool ExecuteScriptAndExtractBool(const ToRenderFrameHost& adapter,
                                  const std::string& script,
                                  bool* result) WARN_UNUSED_RESULT;
 bool ExecuteScriptAndExtractString(const ToRenderFrameHost& adapter,
                                    const std::string& script,
                                    std::string* result) WARN_UNUSED_RESULT;
 
-// This function behaves similarly to ExecuteScriptAndExtractBool but runs the
-// the script in the specified isolated world.
-bool ExecuteScriptInIsolatedWorldAndExtractBool(
-    const ToRenderFrameHost& adapter,
-    const int world_id,
-    const std::string& script,
-    bool* result) WARN_UNUSED_RESULT;
-
 // Walks the frame tree of the specified WebContents and returns the sole frame
 // that matches the specified predicate function. This function will DCHECK if
 // no frames match the specified predicate, or if more than one frame matches.
 RenderFrameHost* FrameMatchingPredicate(
     WebContents* web_contents,
     const base::Callback<bool(RenderFrameHost*)>& predicate);
 
 // Predicates for use with FrameMatchingPredicate.
 bool FrameMatchesName(const std::string& name, RenderFrameHost* frame);
 bool FrameIsChildOfMainFrame(RenderFrameHost* frame);
@@ skipping 203 matching lines @@
 
   int frames_to_wait_;
   base::Closure quit_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameWatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_BROWSER_TEST_UTILS_H_