Update mojo sdk to rev e7270700d671fa8e458b4d8c9e47f7bcfb65da0b

third_party/mojo/src/mojo/public/cpp/environment/lib/scoped_task_tracking.cc

Index: third_party/mojo/src/mojo/public/cpp/environment/lib/scoped_task_tracking.cc
diff --git a/third_party/mojo/src/mojo/public/cpp/environment/lib/scoped_task_tracking.cc b/third_party/mojo/src/mojo/public/cpp/environment/lib/scoped_task_tracking.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9e253d5bd80e4e1edd003e09d21b8232c4fed8d0
--- /dev/null
+++ b/third_party/mojo/src/mojo/public/cpp/environment/lib/scoped_task_tracking.cc
@@ -0,0 +1,37 @@
+// Copyright 2015 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 "mojo/public/cpp/environment/lib/scoped_task_tracking.h"
+
+#include "mojo/public/cpp/environment/environment.h"
+
+namespace mojo {
+namespace internal {
+
+ScopedTaskTracking::ScopedTaskTracking(const char* function_name,
+                                       const char* file_name,
+                                       int line,
+                                       const void* program_counter)
+    : id_(Environment::GetDefaultTaskTracker()->StartTracking(
+          function_name,
+          file_name,
+          line,
+          program_counter)) {
+}
+
+ScopedTaskTracking::ScopedTaskTracking(const char* function_name,
+                                       const char* file_name,
+                                       int line)
+    : id_(Environment::GetDefaultTaskTracker()->StartTracking(function_name,
+                                                              file_name,
+                                                              line,
+                                                              nullptr)) {
+}
+
+ScopedTaskTracking::~ScopedTaskTracking() {
+  Environment::GetDefaultTaskTracker()->EndTracking(id_);
+}
+
+}  // namespace internal
+}  // namespace mojo