Make WeakPtr::operator* return reference instead of pointer

base/memory/weak_ptr_unittest.cc

 // Copyright (c) 2012 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 "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "base/message_loop.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 16 matching lines @@
     }
     DCHECK(result);  // We synchronized on thread destruction above.
     return result;
   }
  private:
   static void CreateObject(T** result) {
     *result = new T;
   }
 };
 
-struct Base {};
+struct Base { std::string member; };
 struct Derived : Base {};
 
 struct Producer : SupportsWeakPtr<Producer> {};
 struct Consumer { WeakPtr<Producer> producer; };
 
 // Helper class to create and destroy weak pointer copies
 // and delete objects on a background thread.
 class BackgroundThread : public Thread {
  public:
   BackgroundThread()
@@ skipping 282 matching lines @@
     Consumer consumer;
     consumer.producer = producer.AsWeakPtr();
     thread.CreateConsumerFromConsumer(&consumer_copy, &consumer);
   }
   EXPECT_TRUE(consumer_copy->producer == NULL);
   thread.DeleteConsumer(consumer_copy);
 }
 
 TEST(WeakPtrTest, Dereference) {
   Base data;
+  data.member = "123456";
   WeakPtrFactory<Base> factory(&data);
   WeakPtr<Base> ptr = factory.GetWeakPtr();
   EXPECT_EQ(&data, ptr.get());
-  EXPECT_EQ(&data, *ptr);
+  EXPECT_EQ(data.member, (*ptr).member);
+  EXPECT_EQ(data.member, ptr->member);
 }
 
 }  // namespace base