Remove some unused fields from class CompilationInfo.

src/handles.h

Index: src/handles.h
diff --git a/src/handles.h b/src/handles.h
index 135dbfb5b805ed7eb30b94332427c5a3abd6dfbd..69170ff203fd17ba7f7ba65117bdf20d56e81a57 100644
--- a/src/handles.h
+++ b/src/handles.h
@@ -345,13 +345,9 @@ bool EnsureCompiled(Handle<SharedFunctionInfo> shared,
 bool CompileLazyShared(Handle<SharedFunctionInfo> shared,
                        ClearExceptionFlag flag);
 
-bool CompileLazy(Handle<JSFunction> function,
-                 Handle<Object> receiver,
-                 ClearExceptionFlag flag);
+bool CompileLazy(Handle<JSFunction> function, ClearExceptionFlag flag);
 
-bool CompileLazyInLoop(Handle<JSFunction> function,
-                       Handle<Object> receiver,
-                       ClearExceptionFlag flag);
+bool CompileLazyInLoop(Handle<JSFunction> function, ClearExceptionFlag flag);
 
 class NoHandleAllocation BASE_EMBEDDED {
  public: