[heap] Remove obsolete DisallowAllocationFailure scope.

src/assert-scope.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ASSERT_SCOPE_H_
 #define V8_ASSERT_SCOPE_H_
 
 #include <stdint.h>
 #include "src/base/macros.h"
 
@@ skipping 11 matching lines @@
   HANDLE_DEREFERENCE_ASSERT,
   DEFERRED_HANDLE_DEREFERENCE_ASSERT,
   CODE_DEPENDENCY_CHANGE_ASSERT,
   LAST_PER_THREAD_ASSERT_TYPE
 };
 
 
 enum PerIsolateAssertType {
   JAVASCRIPT_EXECUTION_ASSERT,
   JAVASCRIPT_EXECUTION_THROWS,
-  ALLOCATION_FAILURE_ASSERT,
   DEOPTIMIZATION_ASSERT,
   COMPILATION_ASSERT
 };
 
 
 template <PerThreadAssertType kType, bool kAllow>
 class PerThreadAssertScope {
  public:
   PerThreadAssertScope();
   ~PerThreadAssertScope();
@@ skipping 106 matching lines @@
     AllowJavascriptExecution;
 
 // Scope in which javascript execution leads to exception being thrown.
 typedef PerIsolateAssertScope<JAVASCRIPT_EXECUTION_THROWS, false>
     ThrowOnJavascriptExecution;
 
 // Scope to introduce an exception to ThrowOnJavascriptExecution.
 typedef PerIsolateAssertScope<JAVASCRIPT_EXECUTION_THROWS, true>
     NoThrowOnJavascriptExecution;
 
-// Scope to document where we do not expect an allocation failure.
-typedef PerIsolateAssertScopeDebugOnly<ALLOCATION_FAILURE_ASSERT, false>
-    DisallowAllocationFailure;
-
-// Scope to introduce an exception to DisallowAllocationFailure.
-typedef PerIsolateAssertScopeDebugOnly<ALLOCATION_FAILURE_ASSERT, true>
-    AllowAllocationFailure;
-
 // Scope to document where we do not expect deoptimization.
 typedef PerIsolateAssertScopeDebugOnly<DEOPTIMIZATION_ASSERT, false>
     DisallowDeoptimization;
 
 // Scope to introduce an exception to DisallowDeoptimization.
 typedef PerIsolateAssertScopeDebugOnly<DEOPTIMIZATION_ASSERT, true>
     AllowDeoptimization;
 
 // Scope to document where we do not expect deoptimization.
 typedef PerIsolateAssertScopeDebugOnly<COMPILATION_ASSERT, false>
     DisallowCompilation;
 
 // Scope to introduce an exception to DisallowDeoptimization.
 typedef PerIsolateAssertScopeDebugOnly<COMPILATION_ASSERT, true>
     AllowCompilation;
 } }  // namespace v8::internal
 
 #endif  // V8_ASSERT_SCOPE_H_