Move most of the implementation of AdjustAmountOfExternalMemory to v8.h

src/isolate.cc

 // Copyright 2012 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.
 
 #include <stdlib.h>
 
 #include "src/v8.h"
 
 #include "src/ast.h"
 #include "src/bootstrapper.h"
@@ skipping 1945 matching lines @@
   // If we are profiling with the Linux perf tool, we need to disable
   // code relocation.
   if (FLAG_perf_jit_prof || FLAG_perf_basic_prof) {
     FLAG_compact_code_space = false;
   }
 
   CHECK_EQ(static_cast<int>(OFFSET_OF(Isolate, embedder_data_)),
            Internals::kIsolateEmbedderDataOffset);
   CHECK_EQ(static_cast<int>(OFFSET_OF(Isolate, heap_.roots_)),
            Internals::kIsolateRootsOffset);
+  CHECK_EQ(static_cast<int>(
+               OFFSET_OF(Isolate, heap_.amount_of_external_allocated_memory_)),
+           Internals::kAmountOfExternalAllocatedMemoryOffset);
+  CHECK_EQ(static_cast<int>(OFFSET_OF(
+               Isolate,
+               heap_.amount_of_external_allocated_memory_at_last_global_gc_)),
+           Internals::kAmountOfExternalAllocatedMemoryAtLastGlobalGCOffset);
 
   state_ = INITIALIZED;
   time_millis_at_init_ = OS::TimeCurrentMillis();
 
   if (!create_heap_objects) {
     // Now that the heap is consistent, it's OK to generate the code for the
     // deopt entry table that might have been referred to by optimized code in
     // the snapshot.
     HandleScope scope(this);
     Deoptimizer::EnsureCodeForDeoptimizationEntry(
@@ skipping 350 matching lines @@
             v8::ToCData<v8::MicrotaskCallback>(callback_info->callback());
         void* data = v8::ToCData<void*>(callback_info->data());
         callback(data);
       }
     }
   }
 }
 
 
 } }  // namespace v8::internal