Remove a bunch of unnecessary includes from header files in favor of...

src/virtual-frame.h

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 11 matching lines @@
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #ifndef V8_VIRTUAL_FRAME_H_
 #define V8_VIRTUAL_FRAME_H_
 
 #include "macro-assembler.h"
-#include "register-allocator.h"
 
 namespace v8 { namespace internal {
 
 // -------------------------------------------------------------------------
 // Virtual frame elements
 //
 // The internal elements of the virtual frames.  There are several kinds of
 // elements:
 //   * Invalid: elements that are uninitialized or not actually part
 //     of the virtual frame.  They should not be read.
@@ skipping 150 matching lines @@
   type_ = TypeField::encode(type)
           | IsCopiedField::encode(false)
           | SyncField::encode(is_synced);
   data_.reg_ = reg;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_VIRTUAL_FRAME_H_