Type profiler by intercepting 'new' and 'delete' expressions.

base/allocator/type_profiler_control.cc

Index: base/allocator/type_profiler_control.cc
diff --git a/base/allocator/type_profiler_control.cc b/base/allocator/type_profiler_control.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6be79840ed30ec72f6baae095a3b9576c79290ea
--- /dev/null
+++ b/base/allocator/type_profiler_control.cc
@@ -0,0 +1,38 @@
+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/allocator/type_profiler_control.h"
+
+namespace base {
+namespace type_profiler {
+
+namespace {
+
+#if defined(TYPE_PROFILING)
+const bool kTypeProfilingEnabled = true;
+#else
+const bool kTypeProfilingEnabled = false;
+#endif
+
+bool g_enable_intercept = kTypeProfilingEnabled;
+
+}  // namespace
+
+// static
+void Controller::Stop() {
+  g_enable_intercept = false;
+}
+
+// static
+bool Controller::IsProfiling() {
+  return kTypeProfilingEnabled && g_enable_intercept;
+}
+
+// static
+void Controller::Restart() {
+  g_enable_intercept = kTypeProfilingEnabled;
+}
+
+}  // namespace type_profiler
+}  // namespace base