Correctly annotate eval origin.

src/frames.h

Index: src/frames.h
diff --git a/src/frames.h b/src/frames.h
index f6806d7563ba89b83bc1f60cd517de9cb3edffee..912871cee1ca70708e043770404e8c350b1258e7 100644
--- a/src/frames.h
+++ b/src/frames.h
@@ -701,6 +701,7 @@ class StandardFrame: public StackFrame {
   friend class SafeStackFrameIterator;
 };
 
+class JavaScriptFrame;
 
 class FrameSummary BASE_EMBEDDED {
  public:
@@ -708,6 +709,8 @@ class FrameSummary BASE_EMBEDDED {
                AbstractCode* abstract_code, int code_offset,
                bool is_constructor);
 
+  static FrameSummary GetFirst(JavaScriptFrame* frame);
+
   Handle<Object> receiver() { return receiver_; }
   Handle<JSFunction> function() { return function_; }
   Handle<AbstractCode> abstract_code() { return abstract_code_; }
@@ -893,7 +896,7 @@ class InterpretedFrame : public JavaScriptFrame {
   void PatchBytecodeOffset(int new_offset);
 
   // Returns the frame's current bytecode array.
-  Object* GetBytecodeArray() const;
+  BytecodeArray* GetBytecodeArray() const;
 
   // Updates the frame's BytecodeArray with |bytecode_array|. Used by the
   // debugger to swap execution onto a BytecodeArray patched with breakpoints.