Heap profiler: enforce compaction before taking a snapshot.

Review URL: http://codereview.chromium.org/3118007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5236 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/heap-profiler.cc

@@ -360,7 +360,7 @@ HeapSnapshot* HeapProfiler::TakeSnapshot(String* name) {
 
 
 HeapSnapshot* HeapProfiler::TakeSnapshotImpl(const char* name) {
-  Heap::CollectAllGarbage(false);
+  Heap::CollectAllGarbage(true);
   HeapSnapshot* result = snapshots_->NewSnapshot(name, next_snapshot_uid_++);
   HeapSnapshotGenerator generator(result);
   generator.GenerateSnapshot();