Get rid of JSExitStub which is no longer used anywhere.

Review URL: http://codereview.chromium.org/268016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3042 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/macro-assembler-arm.h

@@ -246,7 +246,6 @@ class MacroAssembler: public Assembler {
 
   // Call a code stub.
   void CallStub(CodeStub* stub, Condition cond = al);
-  void CallJSExitStub(CodeStub* stub);
 
   // Return from a code stub after popping its arguments.
   void StubReturn(int argc);

src/code-stubs.cc

@@ -132,8 +132,6 @@ const char* CodeStub::MajorName(CodeStub::Major major_key) {
       return "SetProperty";
     case InvokeBuiltin:
       return "InvokeBuiltin";
-    case JSExit:
-      return "JSExit";
     case ConvertToDouble:
       return "ConvertToDouble";
     case WriteInt32ToHeapNumber:

src/code-stubs.h

@@ -56,7 +56,6 @@ class CodeStub BASE_EMBEDDED {
     GetProperty,   // ARM only
     SetProperty,   // ARM only
     InvokeBuiltin,  // ARM only
-    JSExit,        // ARM only
     RegExpCEntry,  // ARM only
     NUMBER_OF_IDS
   };