Add start and end profiling time to v8::CpuProfile

include/v8-profiler.h

Index: include/v8-profiler.h
diff --git a/include/v8-profiler.h b/include/v8-profiler.h
index cf2834130053656f5ecd7d30d08d1f0627544d40..c4450599f096ba8d7baedff0ee4a51b8a4e490a8 100644
--- a/include/v8-profiler.h
+++ b/include/v8-profiler.h
@@ -149,6 +149,18 @@ class V8EXPORT CpuProfile {
   const CpuProfileNode* GetSample(int index) const;
 
   /**
+    * Returns time when the profile recording started (in milliseconds
+    * since the Epoch ).

[alph, 2013/08/02 16:43:49]

nit: space after "Epoch"?

[yurys, 2013/08/02 16:46:02]

Done.

+    */
+  double GetStartTime() const;
+
+  /**
+    * Returns time when the profile recording was stopped (in milliseconds
+    * since the Epoch ).
+    */
+  double GetEndTime() const;
+
+  /**
    * Deletes the profile and removes it from CpuProfiler's list.
    * All pointers to nodes previously returned become invalid.
    * Profiles with the same uid but obtained using different