Fix issue 571: display descriptive names for code objects from snapshot.

tools/profile.js

 // Copyright 2009 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 145 matching lines @@
 devtools.profiler.Profile.prototype.deleteCode = function(start) {
   try {
     this.codeMap_.deleteCode(start);
   } catch (e) {
     this.handleUnknownCode(devtools.profiler.Profile.Operation.DELETE, start);
   }
 };
 
 
 /**
+ * Retrieves a code entry by an address.
+ *
+ * @param {number} addr Entry address.
+ */
+devtools.profiler.Profile.prototype.findEntry = function(addr) {
+  return this.codeMap_.findEntry(addr);
+};
+
+
+/**
  * Records a tick event. Stack must contain a sequence of
  * addresses starting with the program counter value.
  *
  * @param {Array<number>} stack Stack sample.
  */
 devtools.profiler.Profile.prototype.recordTick = function(stack) {
   var processedStack = this.resolveAndFilterFuncs_(stack);
   this.bottomUpTree_.addPath(processedStack);
   processedStack.reverse();
   this.topDownTree_.addPath(processedStack);
@@ skipping 162 matching lines @@
     name = '<anonymous>';
   } else if (name.charAt(0) == ' ') {
     // An anonymous function with location: " aaa.js:10".
     name = '<anonymous>' + name;
   }
   return this.type + ': ' + name;
 };
 
 
 /**
+ * Returns raw node name (without type decoration).
+ */
+devtools.profiler.Profile.DynamicCodeEntry.prototype.getRawName = function() {
+  return this.name;
+};
+
+
+/**
  * Constructs a call graph.
  *
  * @constructor
  */
 devtools.profiler.CallTree = function() {
   this.root_ = new devtools.profiler.CallTree.Node(
       devtools.profiler.CallTree.ROOT_NODE_LABEL);
 };
 
 
@@ skipping 254 matching lines @@
     labels, opt_f) {
   for (var pos = 0, curr = this; pos < labels.length && curr != null; pos++) {
     var child = curr.findChild(labels[pos]);
     if (opt_f) {
       opt_f(child, pos);
     }
     curr = child;
   }
   return curr;
 };