[tracing] Move and rename TRACE_EVENT_API_TASK_EXECUTION_EVENT

base/trace_event/trace_event.h

Index: base/trace_event/trace_event.h
diff --git a/base/trace_event/trace_event.h b/base/trace_event/trace_event.h
index 542537d7ed96ebf24c2f6d2ad409519404bacdc6..3ace9e977564ab8f36d4f0e3bfe5b75de0ba04f1 100644
--- a/base/trace_event/trace_event.h
+++ b/base/trace_event/trace_event.h
@@ -18,7 +18,7 @@
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "base/trace_event/common/trace_event_common.h"
-#include "base/trace_event/heap_profiler_allocation_context_tracker.h"
+#include "base/trace_event/heap_profiler.h"  // For SCOPED_TASK_EXECUTION

[oystein (OOO til 10th of July), 2016/05/12 19:56:50]

I don't think we normally specify reasons for inclusions like this.

[ssid, 2016/05/12 22:09:42]

I only added this because in this patch the file is included but the other file
uses it.

 #include "base/trace_event/trace_event_system_stats_monitor.h"
 #include "base/trace_event/trace_log.h"
 #include "build/build_config.h"
@@ -211,10 +211,6 @@ TRACE_EVENT_API_CLASS_EXPORT extern \
 #define TRACE_EVENT_API_THREAD_BUCKET(thread_bucket)                           \
     g_trace_state[thread_bucket]
 
-// Scoped tracker for task execution context in the heap profiler.
-#define TRACE_EVENT_API_SCOPED_TASK_EXECUTION_EVENT \
-  trace_event_internal::ScopedTaskExecutionEvent
-
 ////////////////////////////////////////////////////////////////////////////////
 
 // Implementation detail: trace event macros create temporary variables
@@ -1050,35 +1046,6 @@ class TraceEventSamplingStateScope {
   const char* previous_state_;
 };
 
-// ScopedTaskExecutionEvent records the current task's context in the heap
-// profiler.
-class ScopedTaskExecutionEvent {
- public:
-  explicit ScopedTaskExecutionEvent(const char* task_context)
-      : context_(task_context) {
-    using base::trace_event::AllocationContextTracker;
-    if (UNLIKELY(
-            AllocationContextTracker::capture_mode() !=
-            AllocationContextTracker::CaptureMode::DISABLED)) {
-      AllocationContextTracker::GetInstanceForCurrentThread()
-          ->PushCurrentTaskContext(context_);
-    }
-  }
-
-  ~ScopedTaskExecutionEvent() {
-    using base::trace_event::AllocationContextTracker;
-    if (UNLIKELY(
-            AllocationContextTracker::capture_mode() !=
-            AllocationContextTracker::CaptureMode::DISABLED)) {
-      AllocationContextTracker::GetInstanceForCurrentThread()
-          ->PopCurrentTaskContext(context_);
-    }
-  }
-
- private:
-  const char* context_;
-};
-
 }  // namespace trace_event_internal
 
 namespace base {