Sampling heap profiler: Force Full GC before retrieving the profile.

src/profiler/heap-profiler.h

 // Copyright 2009-2010 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_PROFILER_HEAP_PROFILER_H_
 #define V8_PROFILER_HEAP_PROFILER_H_
 
 #include "src/base/smart-pointers.h"
 #include "src/isolate.h"
 #include "src/list.h"
@@ skipping 12 matching lines @@
  public:
   explicit HeapProfiler(Heap* heap);
   ~HeapProfiler();
 
   size_t GetMemorySizeUsedByProfiler();
 
   HeapSnapshot* TakeSnapshot(
       v8::ActivityControl* control,
       v8::HeapProfiler::ObjectNameResolver* resolver);
 
-  bool StartSamplingHeapProfiler(uint64_t sample_interval, int stack_depth);
+  bool StartSamplingHeapProfiler(uint64_t sample_interval, int stack_depth,
+                                 v8::HeapProfiler::SamplingFlags);
   void StopSamplingHeapProfiler();
   bool is_sampling_allocations() { return !sampling_heap_profiler_.is_empty(); }
   AllocationProfile* GetAllocationProfile();
 
   void StartHeapObjectsTracking(bool track_allocations);
   void StopHeapObjectsTracking();
   AllocationTracker* allocation_tracker() const {
     return allocation_tracker_.get();
   }
   HeapObjectsMap* heap_object_map() const { return ids_.get(); }
@@ skipping 41 matching lines @@
   base::SmartPointer<AllocationTracker> allocation_tracker_;
   bool is_tracking_object_moves_;
   base::Mutex profiler_mutex_;
   base::SmartPointer<SamplingHeapProfiler> sampling_heap_profiler_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PROFILER_HEAP_PROFILER_H_