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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef EXTENSIONS_RENDERER_CSS_NATIVE_HANDLER_H_
      6 #define EXTENSIONS_RENDERER_CSS_NATIVE_HANDLER_H_
      7 
      8 #include "extensions/renderer/object_backed_native_handler.h"
      9 
     10 namespace extensions {
     11 class ScriptContext;
     12 
     13 class CssNativeHandler : public ObjectBackedNativeHandler {
     14  public:
     15   explicit CssNativeHandler(ScriptContext* context);
     16 
     17  private:
     18   // Expects one string argument that's a comma-separated list of compound CSS
     19   // selectors (http://dev.w3.org/csswg/selectors4/#compound), and returns its
     20   // Blink-canonicalized form. If the selector is invalid, returns an empty
     21   // string.
     22   void CanonicalizeCompoundSelector(
     23       const v8::FunctionCallbackInfo<v8::Value>& args);
     24 };
     25 
     26 }  // namespace extensions
     27 
     28 #endif  // EXTENSIONS_RENDERER_CSS_NATIVE_HANDLER_H_
     29