Remove several grab-bag includes from the v8.h header.

src/api.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 "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 32 matching lines @@
 #include "src/property-details.h"
 #include "src/prototype.h"
 #include "src/runtime/runtime.h"
 #include "src/runtime-profiler.h"
 #include "src/sampler.h"
 #include "src/scanner-character-streams.h"
 #include "src/simulator.h"
 #include "src/snapshot/natives.h"
 #include "src/snapshot/snapshot.h"
 #include "src/unicode-inl.h"
+#include "src/v8.h"
 #include "src/v8threads.h"
 #include "src/version.h"
 #include "src/vm-state-inl.h"
 
 
 namespace v8 {
 
 #define LOG_API(isolate, expr) LOG(isolate, ApiEntryCall(expr))
 
 
@@ skipping 8360 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8