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

src/basic-block-profiler.h

 // Copyright 2014 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_BASIC_BLOCK_PROFILER_H_
 #define V8_BASIC_BLOCK_PROFILER_H_
 
 #include <iosfwd>
 #include <list>
 #include <string>
+#include <vector>
 
-#include "src/v8.h"
+#include "src/base/macros.h"
 
 namespace v8 {
 namespace internal {
 
 class BasicBlockProfiler {
  public:
   class Data {
    public:
     size_t n_blocks() const { return n_blocks_; }
     const uint32_t* counts() const { return &counts_[0]; }
@@ skipping 42 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(BasicBlockProfiler);
 };
 
 std::ostream& operator<<(std::ostream& os, const BasicBlockProfiler& s);
 std::ostream& operator<<(std::ostream& os, const BasicBlockProfiler::Data& s);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BASIC_BLOCK_PROFILER_H_