Replace ASSERT_NOT_REACHED, and RELEASE_ASSERT in platform/heap

third_party/WebKit/Source/platform/heap/PageMemory.cpp

 // Copyright 2016 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 "platform/heap/PageMemory.h"
 
 #include "platform/heap/Heap.h"
 #include "platform/wtf/AddressSanitizer.h"
 #include "platform/wtf/Assertions.h"
 #include "platform/wtf/Atomics.h"
@@ skipping 153 matching lines @@
   // Round up the requested size to nearest os page size.
   payload_size = RoundToOsPageSize(payload_size);
 
   // Overallocate by 2 times OS page size to have space for a
   // guard page at the beginning and end of blink heap page.
   size_t allocation_size = payload_size + 2 * kBlinkGuardPageSize;
   PageMemoryRegion* page_memory_region =
       PageMemoryRegion::AllocateLargePage(allocation_size, region_tree);
   PageMemory* storage =
       SetupPageMemoryInRegion(page_memory_region, 0, payload_size);
-  RELEASE_ASSERT(storage->Commit());
+  CHECK(storage->Commit());
   return storage;
 }
 
 }  // namespace blink