Add support for CPU and heap profiles deletion.

src/heap-profiler.cc

 // Copyright 2009-2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 308 matching lines @@
 HeapProfiler::HeapProfiler()
     : snapshots_(new HeapSnapshotsCollection()),
       next_snapshot_uid_(1) {
 }
 
 
 HeapProfiler::~HeapProfiler() {
   delete snapshots_;
 }
 
+
+void HeapProfiler::ResetSnapshots() {
+  delete snapshots_;
+  snapshots_ = new HeapSnapshotsCollection();
+}
+
+
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 void HeapProfiler::Setup() {
 #ifdef ENABLE_LOGGING_AND_PROFILING
   Isolate* isolate = Isolate::Current();
   if (isolate->heap_profiler() == NULL) {
     isolate->set_heap_profiler(new HeapProfiler());
   }
 #endif
 }
@@ skipping 104 matching lines @@
 }
 
 
 HeapSnapshot* HeapProfiler::FindSnapshot(unsigned uid) {
   HeapProfiler* profiler = Isolate::Current()->heap_profiler();
   ASSERT(profiler != NULL);
   return profiler->snapshots_->GetSnapshot(uid);
 }
 
 
+void HeapProfiler::DeleteAllSnapshots() {
+  HeapProfiler* profiler = Isolate::Current()->heap_profiler();
+  ASSERT(profiler != NULL);
+  profiler->ResetSnapshots();
+}
+
+
 void HeapProfiler::ObjectMoveEvent(Address from, Address to) {
   snapshots_->ObjectMoveEvent(from, to);
 }
 
 
 const JSObjectsClusterTreeConfig::Key JSObjectsClusterTreeConfig::kNoKey;
 const JSObjectsClusterTreeConfig::Value JSObjectsClusterTreeConfig::kNoValue;
 
 
 ConstructorHeapProfile::ConstructorHeapProfile()
@@ skipping 687 matching lines @@
   isolate_->global_handles()->MakeWeak(handle.location(),
                                        static_cast<void*>(stack.start()),
                                        StackWeakReferenceCallback);
 }
 
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 
 } }  // namespace v8::internal