Remove grab-bag includes of v8.h from regexp engine.

src/regexp/regexp-macro-assembler-tracer.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/v8.h"
+#include "src/regexp/regexp-macro-assembler-tracer.h"
 
 #include "src/ast.h"
-#include "src/regexp/regexp-macro-assembler-tracer.h"
 
 namespace v8 {
 namespace internal {
 
 RegExpMacroAssemblerTracer::RegExpMacroAssemblerTracer(
     Isolate* isolate, RegExpMacroAssembler* assembler)
     : RegExpMacroAssembler(isolate, assembler->zone()), assembler_(assembler) {
   unsigned int type = assembler->Implementation();
   DCHECK(type < 6);
   const char* impl_names[] = {"IA32", "ARM", "ARM64",
@@ skipping 390 matching lines @@
 }
 
 
 Handle<HeapObject> RegExpMacroAssemblerTracer::GetCode(Handle<String> source) {
   PrintF(" GetCode(%s);\n", source->ToCString().get());
   return assembler_->GetCode(source);
 }
 
 }  // namespace internal
 }  // namespace v8