Isolatify CPU profiler

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index 632ecdc50a32b569ba3224c9428a165ef10deccb..5d4bc89b998a84b77c18f4579f8ba0f95425fd81 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -1678,6 +1678,7 @@ Isolate::Isolate()
       date_cache_(NULL),
       code_stub_interface_descriptors_(NULL),
       context_exit_happened_(false),
+      cpu_profiler_(NULL),
       deferred_handles_head_(NULL),
       optimizing_compiler_thread_(this),
       marking_thread_(NULL),
@@ -1810,7 +1811,9 @@ void Isolate::Deinit() {
     PreallocatedMemoryThreadStop();
 
     HeapProfiler::TearDown();
-    CpuProfiler::TearDown();
+    delete cpu_profiler_;
+    cpu_profiler_ = NULL;
+
     if (runtime_profiler_ != NULL) {
       runtime_profiler_->TearDown();
       delete runtime_profiler_;
@@ -2039,7 +2042,7 @@ bool Isolate::Init(Deserializer* des) {
   // Enable logging before setting up the heap
   logger_->SetUp();
 
-  CpuProfiler::SetUp();
+  cpu_profiler_ = new CpuProfiler(this);
   HeapProfiler::SetUp();
 
   // Initialize other runtime facilities