Add flag to print stack-trace after n allocations.

src/isolate.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ISOLATE_H_
 #define V8_ISOLATE_H_
 
 #include <queue>
 #include "include/v8-debug.h"
 #include "src/allocation.h"
@@ skipping 694 matching lines @@
    private:
     Isolate* isolate_;
     Handle<Object> pending_exception_;
   };
 
   void SetCaptureStackTraceForUncaughtExceptions(
       bool capture,
       int frame_limit,
       StackTrace::StackTraceOptions options);
 
+  enum PrintStackMode { kPrintStackConcise, kPrintStackVerbose };
   void PrintCurrentStackTrace(FILE* out);
-  void PrintStack(StringStream* accumulator);
-  void PrintStack(FILE* out);
+  void PrintStack(StringStream* accumulator,
+                  PrintStackMode mode = kPrintStackVerbose);
+  void PrintStack(FILE* out, PrintStackMode mode = kPrintStackVerbose);
   Handle<String> StackTraceString();
   NO_INLINE(void PushStackTraceAndDie(unsigned int magic,
                                       Object* object,
                                       Map* map,
                                       unsigned int magic2));
   Handle<JSArray> CaptureCurrentStackTrace(
       int frame_limit,
       StackTrace::StackTraceOptions options);
   Handle<Object> CaptureSimpleStackTrace(Handle<JSObject> error_object,
                                          Handle<Object> caller);
@@ skipping 869 matching lines @@
   }
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_