Add support for allowing an embedder to get the V8 profile timer event logs.

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3787 matching lines @@
 
 
 // --- Exceptions ---
 
 
 typedef void (*FatalErrorCallback)(const char* location, const char* message);
 
 
 typedef void (*MessageCallback)(Handle<Message> message, Handle<Value> error);
 
+// --- Tracing ---
+
+typedef void (*LogEventCallback)(const char* name, int event);
 
 /**
  * Create new error objects by calling the corresponding error object
  * constructor with the message.
  */
 class V8_EXPORT Exception {
  public:
   static Local<Value> RangeError(Handle<String> message);
   static Local<Value> ReferenceError(Handle<String> message);
   static Local<Value> SyntaxError(Handle<String> message);
@@ skipping 570 matching lines @@
 
 
 /**
  * Container class for static utility functions.
  */
 class V8_EXPORT V8 {
  public:
   /** Set the callback to invoke in case of fatal errors. */
   static void SetFatalErrorHandler(FatalErrorCallback that);
 
+  /** Set the callback to invoke in case of a timer tracing event. */
+  static void SetEventLogger(LogEventCallback that);
+
   /**
    * Set the callback to invoke to check if code generation from
    * strings should be allowed.
    */
   static void SetAllowCodeGenerationFromStringsCallback(
       AllowCodeGenerationFromStringsCallback that);
 
   /**
    * Set allocator to use for ArrayBuffer memory.
    * The allocator should be set only once. The allocator should be set
@@ skipping 2047 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_