[runtime] Change MessageLocation::function to SFI.

src/messages.h

 // Copyright 2006-2008 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.
 
 // The infrastructure used for (localized) message reporting in V8.
 //
 // Note: there's a big unresolved issue about ownership of the data
 // structures used by this framework.
 
 #ifndef V8_MESSAGES_H_
 #define V8_MESSAGES_H_
 
 #include <memory>
 
 #include "src/handles.h"
 #include "src/list.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class AbstractCode;
 class FrameArray;
 class JSMessageObject;
 class LookupIterator;
+class SharedFunctionInfo;
 class SourceInfo;
 
 class MessageLocation {
  public:
   MessageLocation(Handle<Script> script, int start_pos, int end_pos);
   MessageLocation(Handle<Script> script, int start_pos, int end_pos,
-                  Handle<JSFunction> function);
+                  Handle<SharedFunctionInfo> shared);
   MessageLocation();
 
   Handle<Script> script() const { return script_; }
   int start_pos() const { return start_pos_; }
   int end_pos() const { return end_pos_; }
-  Handle<JSFunction> function() const { return function_; }
+  Handle<SharedFunctionInfo> shared() const { return shared_; }
 
  private:
   Handle<Script> script_;
   int start_pos_;
   int end_pos_;
-  Handle<JSFunction> function_;
+  Handle<SharedFunctionInfo> shared_;
 };
 
 class StackFrameBase {
  public:
   virtual ~StackFrameBase() {}
 
   virtual Handle<Object> GetReceiver() const = 0;
   virtual Handle<Object> GetFunction() const = 0;
 
   virtual Handle<Object> GetFileName() = 0;
@@ skipping 675 matching lines @@
                                         const MessageLocation* loc,
                                         Handle<Object> message_obj,
                                         v8::Local<v8::Value> api_exception_obj);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MESSAGES_H_