V8ValueConverter for the activity logger that does not invoke interceptors and

content/public/renderer/v8_value_converter.h

Index: content/public/renderer/v8_value_converter.h
diff --git a/content/public/renderer/v8_value_converter.h b/content/public/renderer/v8_value_converter.h
index b71b32dae3ab6563f5040485fcd9bc8b8d340364..2c3cf32af1fa485b5bb84e86847d3d74b7cd625d 100644
--- a/content/public/renderer/v8_value_converter.h
+++ b/content/public/renderer/v8_value_converter.h
@@ -14,6 +14,17 @@ class Value;
 
 namespace content {
 
+// Extends the default behaviour of V8ValueConverter.
+class CONTENT_EXPORT V8ValueConverterStrategy {
+ public:
+  // If false is returned, V8ValueConverter proceeds with the default behavior.
+  virtual bool ToV8Value(const base::Value* value,
+                         v8::Handle<v8::Value>* out) const = 0;
+  // If false is returned, V8ValueConverter proceeds with the default behavior.
+  virtual bool FromV8Value(v8::Handle<v8::Value> value,
+                           base::Value** out) const = 0;

[not at google - send to devlin, 2013/07/22 21:44:57]

make this a member class of Strategy of V8ValueConverter?

[pmarch, 2013/07/22 23:06:55]

Done.

+};
+
 // Converts between v8::Value (JavaScript values in the v8 heap) and Chrome's
 // values (from base/values.h). Lists and dictionaries are converted
 // recursively.
@@ -52,6 +63,9 @@ class CONTENT_EXPORT V8ValueConverter {
   // converting arguments to extension APIs.
   virtual void SetStripNullFromObjects(bool val) = 0;
 
+  // Extend default behavior of V8ValueConverter.
+  virtual void SetStrategy(V8ValueConverterStrategy* strategy) = 0;
+
   // Converts a base::Value to a v8::Value.
   //
   // Unsupported types are replaced with null.  If an array or object throws