Move extensions bindings code out of //chrome

extensions/renderer/css_native_handler.h

 // Copyright 2013 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 CHROME_RENDERER_EXTENSIONS_CSS_NATIVE_HANDLER_H_
-#define CHROME_RENDERER_EXTENSIONS_CSS_NATIVE_HANDLER_H_
+#ifndef EXTENSIONS_RENDERER_CSS_NATIVE_HANDLER_H_
+#define EXTENSIONS_RENDERER_CSS_NATIVE_HANDLER_H_
 
 #include "extensions/renderer/object_backed_native_handler.h"
 
 namespace extensions {
-class ChromeV8Context;
+class ScriptContext;
 
 class CssNativeHandler : public ObjectBackedNativeHandler {
  public:
-  explicit CssNativeHandler(ChromeV8Context* context);
+  explicit CssNativeHandler(ScriptContext* context);
 
  private:
   // Expects one string argument that's a comma-separated list of compound CSS
   // selectors (http://dev.w3.org/csswg/selectors4/#compound), and returns its
   // Blink-canonicalized form. If the selector is invalid, returns an empty
   // string.
   void CanonicalizeCompoundSelector(
       const v8::FunctionCallbackInfo<v8::Value>& args);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_RENDERER_EXTENSIONS_CSS_NATIVE_HANDLER_H_
+#endif  // EXTENSIONS_RENDERER_CSS_NATIVE_HANDLER_H_