Tracing: Removed monitoring mode

base/trace_event/trace_log.h

Index: base/trace_event/trace_log.h
diff --git a/base/trace_event/trace_log.h b/base/trace_event/trace_log.h
index 235b9468163ffc596f4123d71fc82348c16adb93..06ee69f4ad71c9d443aff355ef6216ee7e366813 100644
--- a/base/trace_event/trace_log.h
+++ b/base/trace_event/trace_log.h
@@ -47,8 +47,7 @@ class BASE_EXPORT TraceLog : public MemoryDumpProvider {
  public:
   enum Mode {
     DISABLED = 0,
-    RECORDING_MODE,
-    MONITORING_MODE,
+    RECORDING_MODE
   };
 
   // The pointer returned from GetCategoryGroupEnabledInternal() points to a
@@ -58,12 +57,10 @@ class BASE_EXPORT TraceLog : public MemoryDumpProvider {
   enum CategoryGroupEnabledFlags {
     // Category group enabled for the recording mode.
     ENABLED_FOR_RECORDING = 1 << 0,
-    // Category group enabled for the monitoring mode.
-    ENABLED_FOR_MONITORING = 1 << 1,

[Primiano Tucci (use gerrit), 2016/02/08 10:45:21]

Isn't this going to break skia?
IIRC they have a forked copy of this in
third_party/skia/include/utils/SkEventTracer.h, I wonder if their enum at some
point flows into base/ and we need to keep them in sync.

[fmeawad, 2016/02/09 00:11:39]

There is also a copy in V8 that I plan to update.

     // Category group enabled by SetEventCallbackEnabled().
-    ENABLED_FOR_EVENT_CALLBACK = 1 << 2,
+    ENABLED_FOR_EVENT_CALLBACK = 1 << 1,
     // Category group enabled to export events to ETW.
-    ENABLED_FOR_ETW_EXPORT = 1 << 3
+    ENABLED_FOR_ETW_EXPORT = 1 << 2
   };
 
   static TraceLog* GetInstance();
@@ -170,7 +167,6 @@ class BASE_EXPORT TraceLog : public MemoryDumpProvider {
   typedef base::Callback<void(const scoped_refptr<base::RefCountedString>&,
                               bool has_more_events)> OutputCallback;
   void Flush(const OutputCallback& cb, bool use_worker_thread = false);
-  void FlushButLeaveBufferIntact(const OutputCallback& flush_output_callback);
 
   // Cancels tracing and discards collected data.
   void CancelTracing(const OutputCallback& cb);