Only recurse to depth 10 in v8_value_converter_impl.cc.

content/renderer/v8_value_converter_impl.h

Index: content/renderer/v8_value_converter_impl.h
diff --git a/content/renderer/v8_value_converter_impl.h b/content/renderer/v8_value_converter_impl.h
index 4f58849d9515850a3358d58d8322e170d7eb714c..f5ad10a4b81476d240ff5f74561c460fdb755fb6 100644
--- a/content/renderer/v8_value_converter_impl.h
+++ b/content/renderer/v8_value_converter_impl.h
@@ -39,7 +39,8 @@ class CONTENT_EXPORT V8ValueConverterImpl : public V8ValueConverter {
 
  private:
   friend class ScopedAvoidIdentityHashForTesting;
-  typedef std::multimap<int, v8::Handle<v8::Object> > HashToHandleMap;
+
+  class FromV8ValueState;
 
   v8::Handle<v8::Value> ToV8ValueImpl(const base::Value* value) const;
   v8::Handle<v8::Value> ToV8Array(const base::ListValue* list) const;
@@ -48,9 +49,9 @@ class CONTENT_EXPORT V8ValueConverterImpl : public V8ValueConverter {
   v8::Handle<v8::Value> ToArrayBuffer(const base::BinaryValue* value) const;
 
   base::Value* FromV8ValueImpl(v8::Handle<v8::Value> value,
-                               HashToHandleMap* unique_map) const;
+                               FromV8ValueState* state) const;
   base::Value* FromV8Array(v8::Handle<v8::Array> array,
-                           HashToHandleMap* unique_map) const;
+                           FromV8ValueState* state) const;
 
   // This will convert objects of type ArrayBuffer or any of the
   // ArrayBufferView subclasses. The return value will be NULL if |value| is
@@ -58,15 +59,7 @@ class CONTENT_EXPORT V8ValueConverterImpl : public V8ValueConverter {
   base::BinaryValue* FromV8Buffer(v8::Handle<v8::Value> value) const;
 
   base::Value* FromV8Object(v8::Handle<v8::Object> object,
-                            HashToHandleMap* unique_map) const;
-
-  // If |handle| is not in |map|, then add it to |map| and return true.
-  // Otherwise do nothing and return false. Here "A is unique" means that no
-  // other handle B in the map points to the same object as A. Note that A can
-  // be unique even if there already is another handle with the same identity
-  // hash (key) in the map, because two objects can have the same hash.
-  bool UpdateAndCheckUniqueness(HashToHandleMap* map,
-                                v8::Handle<v8::Object> handle) const;
+                            FromV8ValueState* state) const;
 
   // If true, we will convert Date JavaScript objects to doubles.
   bool date_allowed_;