Remove support for NPObjects.

third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h

Index: third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h b/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
index b81756c07c7e9fd8c65dfdf188866caa08aee5f7..dfcd372a8bbb127d7a41043afb8b8f01dd06629a 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
+++ b/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
@@ -50,9 +50,6 @@ namespace blink {
 
 class V8DOMActivityLogger;
 class V8PerContextData;
-struct V8NPObject;
-typedef WTF::Vector<V8NPObject*> V8NPObjectVector;
-typedef WTF::HashMap<int, V8NPObjectVector> V8NPObjectMap;
 
 enum V8ContextEmbedderDataField {
     v8ContextPerContextDataIndex = static_cast<int>(gin::kPerContextDataStartIndex + gin::kEmbedderBlink),
@@ -87,8 +84,6 @@ public:
 
     v8::Local<v8::Object> prototypeForType(const WrapperTypeInfo*);
 
-    V8NPObjectMap* getV8NPObjectMap() { return &m_v8NPObjectMap; }
-
     void addCustomElementBinding(PassOwnPtr<CustomElementBinding>);
 
     V8DOMActivityLogger* activityLogger() const { return m_activityLogger; }
@@ -113,8 +108,6 @@ private:
     typedef V8GlobalValueMap<const WrapperTypeInfo*, v8::Function, v8::kNotWeak> ConstructorMap;
     ConstructorMap m_constructorMap;
 
-    V8NPObjectMap m_v8NPObjectMap;
-
     OwnPtr<gin::ContextHolder> m_contextHolder;
 
     ScopedPersistent<v8::Context> m_context;