[bindings] Utilize ScriptValue::from and remove IDB* => ScriptValue conversion methods

Source/bindings/modules/v8/ToV8ForModules.h

Index: Source/bindings/modules/v8/ToV8ForModules.h
diff --git a/Source/bindings/modules/v8/ToV8ForModules.h b/Source/bindings/modules/v8/ToV8ForModules.h
index 6580f0f5bbd99af221672148be18b01d253f81b5..93153ebdb00042f07256bb941a16f0362f5344da 100644
--- a/Source/bindings/modules/v8/ToV8ForModules.h
+++ b/Source/bindings/modules/v8/ToV8ForModules.h
@@ -10,6 +10,10 @@
 
 namespace blink {
 
+class IDBAny;
+class IDBKey;
+class IDBKeyPath;
+
 inline v8::Handle<v8::Value> toV8(const SQLValue& sqlValue, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     switch (sqlValue.type()) {
@@ -24,6 +28,10 @@ inline v8::Handle<v8::Value> toV8(const SQLValue& sqlValue, v8::Handle<v8::Objec
     return v8::Local<v8::Value>();
 }
 
+v8::Local<v8::Value> toV8(const IDBKeyPath&, v8::Local<v8::Object> creationContext, v8::Isolate*);
+v8::Local<v8::Value> toV8(const IDBKey*, v8::Local<v8::Object> creationContext, v8::Isolate*);
+v8::Local<v8::Value> toV8(const IDBAny*, v8::Local<v8::Object> creationContext, v8::Isolate*);
+
 } // namespace blink
 
 #endif // ToV8ForModules_h