Replace ASSERT, RELEASE_ASSERT, and ASSERT_NOT_REACHED in bindings

third_party/WebKit/Source/bindings/core/v8/custom/V8PerformanceObserverCustom.cpp

 // Copyright 2015 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 "bindings/core/v8/V8PerformanceObserver.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/PerformanceObserverCallback.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMWrapper.h"
@@ skipping 22 matching lines @@
 
   Performance* performance = nullptr;
   LocalDOMWindow* window = ToLocalDOMWindow(wrapper->CreationContext());
   if (!window) {
     V8ThrowException::ThrowTypeError(
         isolate, ExceptionMessages::FailedToConstruct(
                      "PerformanceObserver", "No 'window' in current context."));
     return;
   }
   performance = DOMWindowPerformance::performance(*window);
-  ASSERT(performance);
+  DCHECK(performance);
 
   if (info.Length() <= 0 || !info[0]->IsFunction()) {
     V8ThrowException::ThrowTypeError(
         isolate,
         ExceptionMessages::FailedToConstruct(
             "PerformanceObserver",
             "The callback provided as parameter 1 is not a function."));
     return;
   }
   ScriptState* script_state = ScriptState::ForReceiverObject(info);
   v8::Local<v8::Function> v8_callback = v8::Local<v8::Function>::Cast(info[0]);
   PerformanceObserverCallback* callback =
       PerformanceObserverCallback::Create(script_state, v8_callback);
 
   PerformanceObserver* observer = PerformanceObserver::Create(
       CurrentExecutionContext(isolate), performance, callback);
 
   // TODO(bashi): Don't set private property (and remove this custom
   // constructor) when we can trace correctly. See crbug.com/468240.
   V8PrivateProperty::GetPerformanceObserverCallback(isolate).Set(wrapper,
                                                                  v8_callback);
   V8SetReturnValue(info, V8DOMWrapper::AssociateObjectWithWrapper(
                              isolate, observer, &wrapperTypeInfo, wrapper));
 }
 
 }  // namespace blink