Remove RELEASE_NOTREACHED().

third_party/WebKit/Source/modules/fetch/FetchManager.cpp

 // 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 "modules/fetch/FetchManager.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8ThrowException.h"
@@ skipping 362 matching lines @@
         ASSERT_NOT_REACHED();
         break;
       case WebURLRequest::FetchRequestModeNoCORS:
         tainting = FetchRequestData::OpaqueTainting;
         break;
       case WebURLRequest::FetchRequestModeCORS:
       case WebURLRequest::FetchRequestModeCORSWithForcedPreflight:
         tainting = FetchRequestData::CORSTainting;
         break;
       case WebURLRequest::FetchRequestModeNavigate:
-        RELEASE_NOTREACHED();
+        LOG(FATAL);
         break;
     }
   }
   if (response.wasFetchedViaServiceWorker()) {
     switch (response.serviceWorkerResponseType()) {
       case WebServiceWorkerResponseTypeBasic:
       case WebServiceWorkerResponseTypeDefault:
         tainting = FetchRequestData::BasicTainting;
         break;
       case WebServiceWorkerResponseTypeCORS:
         tainting = FetchRequestData::CORSTainting;
         break;
       case WebServiceWorkerResponseTypeOpaque:
         tainting = FetchRequestData::OpaqueTainting;
         break;
       case WebServiceWorkerResponseTypeOpaqueRedirect:
       // ServiceWorker can't respond to the request from fetch() with an
       // opaque redirect response.
       case WebServiceWorkerResponseTypeError:
-        // When ServiceWorker respond to the request from fetch() with an
-        // error response, FetchManager::Loader::didFail() must be called
-        // instead.
-        RELEASE_NOTREACHED();
+        LOG(FATAL) << "When ServiceWorker respond to the request from fetch() "
+                      "with an error response, FetchManager::Loader::didFail() "
+                      "must be called instead.";
         break;
     }
   }
 
   FetchResponseData* responseData = nullptr;
   SRIBytesConsumer* sriConsumer = nullptr;
   if (m_request->integrity().isEmpty()) {
     responseData = FetchResponseData::createWithBuffer(new BodyStreamBuffer(
         scriptState,
         new BytesConsumerForDataConsumerHandle(
@@ skipping 507 matching lines @@
   m_loaders.remove(loader);
   loader->dispose();
 }
 
 DEFINE_TRACE(FetchManager) {
   visitor->trace(m_loaders);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink