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      1 // Copyright 2013 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 CHROME_RENDERER_EXTENSIONS_ACTIVITY_LOG_CONVERTER_STRATEGY_H_
      6 #define CHROME_RENDERER_EXTENSIONS_ACTIVITY_LOG_CONVERTER_STRATEGY_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "content/public/renderer/v8_value_converter.h"
     10 #include "v8/include/v8.h"
     11 
     12 namespace extensions {
     13 
     14 // This class is used by activity logger and extends behavior of
     15 // V8ValueConverter. It overwrites conversion of V8 arrays and objects.  When
     16 // converting arrays and objects, we must not invoke any JS code which may
     17 // result in triggering activity logger. In such case, the log entries will be
     18 // generated due to V8 object conversion rather than extension activity.
     19 class ActivityLogConverterStrategy
     20     : public content::V8ValueConverter::Strategy {
     21  public:
     22   virtual ~ActivityLogConverterStrategy() {}
     23 
     24   virtual bool FromV8Object(v8::Handle<v8::Object> value,
     25                             base::Value** out) const OVERRIDE;
     26   virtual bool FromV8Array(v8::Handle<v8::Array> value,
     27                            base::Value** out) const OVERRIDE;
     28 
     29  private:
     30   bool FromV8ObjectInternal(v8::Handle<v8::Object> value,
     31                             base::Value** out) const;
     32 };
     33 
     34 }  // namespace extensions
     35 
     36 #endif  // CHROME_RENDERER_EXTENSIONS_ACTIVITY_LOG_CONVERTER_STRATEGY_H_
     37