[Tracing] Implement IC statistics in tracing.

src/frames.h

Index: src/frames.h
diff --git a/src/frames.h b/src/frames.h
index 835386ea0c2fd08e4a8ef7aedff6db2f424d08a3..21ae04d6d879005552e915fa3be8a1189fd1b3bd 100644
--- a/src/frames.h
+++ b/src/frames.h
@@ -917,6 +917,11 @@ class JavaScriptFrame : public StandardFrame {
   static void PrintTop(Isolate* isolate, FILE* file, bool print_args,
                        bool print_line_number);
 
+  static void CollectFunctionAndOffsetForICStats(JSFunction* function,

[fmeawad, 2016/12/06 00:59:12]

nit: I don't think you should include "ForICStats" in the name.

+                                                 AbstractCode* code,
+                                                 int code_offset);
+  static void CollectTopFrameForICStats(Isolate* isolate);

[fmeawad, 2016/12/06 00:59:12]

nit: ditto

+
  protected:
   inline explicit JavaScriptFrame(StackFrameIteratorBase* iterator);