Report approximated duration in milliseconds for profile nodes.

test/cctest/test-cpu-profiler.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 //
 // Tests of profiles generator and utilities.
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
 
 #include "v8.h"
 #include "cpu-profiler-inl.h"
 #include "cctest.h"
 
@@ skipping 158 matching lines @@
                             0x80);
   EnqueueTickSampleEvent(&processor, ToAddress(0x1210));
   EnqueueTickSampleEvent(&processor, ToAddress(0x1305), ToAddress(0x1220));
   EnqueueTickSampleEvent(&processor,
                          ToAddress(0x1404),
                          ToAddress(0x1305),
                          ToAddress(0x1230));
 
   processor.Stop();
   processor.Join();
-  CpuProfile* profile = profiles.StopProfiling("");
+  CpuProfile* profile = profiles.StopProfiling("", 1);
   CHECK_NE(NULL, profile);
 
   // Check call trees.
   const i::List<ProfileNode*>* top_down_root_children =
       profile->top_down()->root()->children();
   CHECK_EQ(1, top_down_root_children->length());
   CHECK_EQ("bbb", top_down_root_children->last()->entry()->name());
   const i::List<ProfileNode*>* top_down_bbb_children =
       top_down_root_children->last()->children();
   CHECK_EQ(1, top_down_bbb_children->length());
@@ skipping 26 matching lines @@
       bottom_up_root_children[2]->children();
   CHECK_EQ(1, bottom_up_ddd_children->length());
   CHECK_EQ("5", bottom_up_ddd_children->last()->entry()->name());
   const i::List<ProfileNode*>* bottom_up_ddd_stub_children =
       bottom_up_ddd_children->last()->children();
   CHECK_EQ(1, bottom_up_ddd_stub_children->length());
   CHECK_EQ("bbb", bottom_up_ddd_stub_children->last()->entry()->name());
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING