Replace ASSERT with DCHECK in platform/

third_party/WebKit/Source/platform/LifecycleContextTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 55 matching lines @@
 
   DEFINE_INLINE_TRACE() {
     visitor->Trace(observer_to_remove_on_destruct_);
     LifecycleObserver::Trace(visitor);
   }
 
   void Unobserve() { SetContext(nullptr); }
 
   void SetObserverToRemoveAndDestroy(
       TestingObserver* observer_to_remove_on_destruct) {
-    ASSERT(!observer_to_remove_on_destruct_);
+    DCHECK(!observer_to_remove_on_destruct_);
     observer_to_remove_on_destruct_ = observer_to_remove_on_destruct;
   }
 
   TestingObserver* InnerObserver() const {
     return observer_to_remove_on_destruct_;
   }
   bool ContextDestroyedCalled() const { return context_destroyed_called_; }
 
  private:
   explicit TestingObserver(DummyContext* context)
@@ skipping 42 matching lines @@
 
   context->NotifyContextDestroyed();
   EXPECT_EQ(observer->InnerObserver(), nullptr);
   context = nullptr;
   ThreadState::Current()->CollectAllGarbage();
   EXPECT_EQ(observer->LifecycleContext(), static_cast<DummyContext*>(0));
   EXPECT_TRUE(observer->ContextDestroyedCalled());
 }
 
 }  // namespace blink