[Android] Java Bridge with Gin: implement Java bound object

content/browser/renderer_host/java/gin_java_method_invocation_helper_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/java/gin_java_method_invocation_helper.h"
 
 #include "base/android/jni_android.h"
 #include "content/common/android/gin_java_bridge_value.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 namespace {
 
 class NullObjectDelegate
     : public GinJavaMethodInvocationHelper::ObjectDelegate {
  public:
   NullObjectDelegate() {}
 
   virtual ~NullObjectDelegate() {}
 
   virtual base::android::ScopedJavaLocalRef<jobject> GetLocalRef(
       JNIEnv* env) OVERRIDE {
     return base::android::ScopedJavaLocalRef<jobject>();
   }
 
+  virtual base::android::ScopedJavaLocalRef<jclass> GetLocalClassRef(
+      JNIEnv* env) OVERRIDE {
+    return base::android::ScopedJavaLocalRef<jclass>();
+  }
+
   virtual const JavaMethod* FindMethod(const std::string& method_name,
                                        size_t num_parameters) OVERRIDE {
     return NULL;
   }
 
   virtual bool IsObjectGetClassMethod(const JavaMethod* method) OVERRIDE {
     return false;
   }
 
   virtual const base::android::JavaRef<jclass>& GetSafeAnnotationClass()
@@ skipping 234 matching lines @@
   EXPECT_TRUE(helper->GetErrorMessage().empty());
   helper->Invoke();
   EXPECT_TRUE(object_delegate->find_method_called());
   EXPECT_TRUE(object_delegate->get_class_called());
   EXPECT_TRUE(helper->HoldsPrimitiveResult());
   EXPECT_TRUE(helper->GetPrimitiveResult().empty());
   EXPECT_FALSE(helper->GetErrorMessage().empty());
 }
 
 }  // namespace content