Remove asserts inserted to diagnose bug 537922

The assert is no longer hit in WebGL conformance tests.
It seems that the bug is already fixed.

BUG=537922

Review-Url: https://codereview.chromium.org/2024013002
Cr-Commit-Position: refs/heads/master@{#398225}

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

@@ -997,17 +997,6 @@ void FreeList::addToFreeList(Address address, size_t size)
         } else if (address[i] == reuseForbiddenZapValue) {
             forbiddenCount++;
         } else {
-            // TODO(haraken): Remove these assertions once bug 537922 is fixed.
-            HeapObjectHeader* header = reinterpret_cast<HeapObjectHeader*>(&address[i]);
-            ASSERT(header->checkHeader());
-            if (header->isPromptlyFreed())
-                ASSERT_NOT_REACHED();
-            else if (header->isFree())
-                ASSERT_NOT_REACHED();
-            else if (header->isDead())
-                ASSERT_NOT_REACHED();
-            else if (header->isMarked())
-                ASSERT_NOT_REACHED();
             ASSERT_NOT_REACHED();
         }
     }