[bindings] Remove all the usages of Handle<> from binding templates.

Source/bindings/core/v8/V8PerIsolateData.h

Index: Source/bindings/core/v8/V8PerIsolateData.h
diff --git a/Source/bindings/core/v8/V8PerIsolateData.h b/Source/bindings/core/v8/V8PerIsolateData.h
index 5abd3075e5c9610191fe1f8e54b98523c6653048..8bc2111e141e1550a2295ee8785ea4a5c3f04d49 100644
--- a/Source/bindings/core/v8/V8PerIsolateData.h
+++ b/Source/bindings/core/v8/V8PerIsolateData.h
@@ -100,7 +100,7 @@ public:
     void setDOMTemplate(void* domTemplateKey, v8::Handle<v8::FunctionTemplate>);
 
     bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>);
-    v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>);
+    v8::Local<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Local<v8::Value>);
 
     v8::Local<v8::Context> ensureScriptRegexpContext();
 
@@ -122,7 +122,7 @@ private:
     typedef HashMap<const void*, v8::Eternal<v8::FunctionTemplate> > DOMTemplateMap;
     DOMTemplateMap& currentDOMTemplateMap();
     bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateMap&);
-    v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateMap&);
+    v8::Local<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Local<v8::Value>, DOMTemplateMap&);
 
     bool m_destructionPending;
     OwnPtr<gin::IsolateHolder> m_isolateHolder;