Rename toWebCoreString*() utility methods to toCoreString*()

Source/bindings/v8/IDBBindingUtilities.cpp

Index: Source/bindings/v8/IDBBindingUtilities.cpp
diff --git a/Source/bindings/v8/IDBBindingUtilities.cpp b/Source/bindings/v8/IDBBindingUtilities.cpp
index c3e1639d367099e359efb6b588a15953162ea889..1676649e556fe6a42f736933af5f5c9a9227bf09 100644
--- a/Source/bindings/v8/IDBBindingUtilities.cpp
+++ b/Source/bindings/v8/IDBBindingUtilities.cpp
@@ -158,7 +158,7 @@ static PassRefPtr<IDBKey> createIDBKeyFromValue(v8::Handle<v8::Value> value, Vec
     if (value->IsNumber() && !std::isnan(value->NumberValue()))
         return IDBKey::createNumber(value->NumberValue());
     if (value->IsString())
-        return IDBKey::createString(toWebCoreString(value.As<v8::String>()));
+        return IDBKey::createString(toCoreString(value.As<v8::String>()));
     if (value->IsDate() && !std::isnan(value->NumberValue()))
         return IDBKey::createDate(value->NumberValue());
     if (value->IsArray()) {