Move StackHandlerConstants to platform-independent frames.h

src/x64/frames-x64.h

 // Copyright 2012 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 30 matching lines @@
 
 const int kNumJSCallerSaved = 5;
 
 typedef Object* JSCallerSavedBuffer[kNumJSCallerSaved];
 
 // Number of registers for which space is reserved in safepoints.
 const int kNumSafepointRegisters = 16;
 
 // ----------------------------------------------------
 
-class StackHandlerConstants : public AllStatic {
- public:
-  static const int kNextOffset     = 0 * kPointerSize;
-  static const int kCodeOffset     = 1 * kPointerSize;
-  static const int kStateOffset    = 2 * kPointerSize;
-  static const int kContextOffset  = 3 * kPointerSize;
-  static const int kFPOffset       = 4 * kPointerSize;
-
-  static const int kSize = kFPOffset + kPointerSize;
-};
-
-
 class EntryFrameConstants : public AllStatic {
  public:
 #ifdef _WIN64
   static const int kCallerFPOffset      = -10 * kPointerSize;
 #else
   static const int kCallerFPOffset      = -8 * kPointerSize;
 #endif
   static const int kArgvOffset          = 6 * kPointerSize;
 };
 
@@ skipping 56 matching lines @@
 
 
 inline Object* JavaScriptFrame::function_slot_object() const {
   const int offset = JavaScriptFrameConstants::kFunctionOffset;
   return Memory::Object_at(fp() + offset);
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_FRAMES_X64_H_