Oilpan: introduce eager finalization.

Source/platform/heap/GarbageCollected.h

 // 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.
 
 #ifndef GarbageCollected_h
 #define GarbageCollected_h
 
 #include "platform/heap/ThreadState.h"
 #include "wtf/Assertions.h"
 #include "wtf/ListHashSet.h"
@@ skipping 144 matching lines @@
 //    derived constructors have run, it will invoke the constructor
 //    for a field whose only purpose is to leave the GC scope.
 //    GarbageCollectedMixinConstructorMarker's constructor takes care of
 //    this and the field is declared by way of USING_GARBAGE_COLLECTED_MIXIN().
 
 #define DEFINE_GARBAGE_COLLECTED_MIXIN_CONSTRUCTOR_MARKER(TYPE)                         \
 public:                                                                                 \
     GC_PLUGIN_IGNORE("crbug.com/456823") NO_SANITIZE_UNRELATED_CAST                     \
     void* operator new(size_t size)                                                     \
     {                                                                                   \
-        void* object = TYPE::allocateObject(size);                                      \
+        void* object = TYPE::allocateObject(size, IsEagerlyFinalizedType<TYPE>::value); \
         ThreadState* state = ThreadStateFor<ThreadingTrait<TYPE>::Affinity>::state();   \
         state->enterGCForbiddenScopeIfNeeded(&(reinterpret_cast<TYPE*>(object)->m_mixinConstructorMarker)); \
         return object;                                                                  \
     }                                                                                   \
     GarbageCollectedMixinConstructorMarker m_mixinConstructorMarker;                    \
 private:
 
 // Mixins that wrap/nest others requires extra handling:
 //
 //  class A : public GarbageCollected<A>, public GarbageCollectedMixin {
@@ skipping 223 matching lines @@
 #define GC_PLUGIN_IGNORE(bug)                           \
     __attribute__((annotate("blink_gc_plugin_ignore")))
 #else
 #define STACK_ALLOCATED() DISALLOW_ALLOCATION()
 #define GC_PLUGIN_IGNORE(bug)
 #endif
 
 } // namespace blink
 
 #endif