Revert 237280 "Remove TraceController"

trunk/src/components/tracing/tracing_messages.h

 // Copyright (c) 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.
 
 // Multiply-included message header, no traditional include guard.
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/sync_socket.h"
@@ skipping 12 matching lines @@
 
 // Sent to all child processes to disable trace event recording.
 IPC_MESSAGE_CONTROL0(TracingMsg_EndTracing)
 
 // Sent to all child processes to start monitoring.
 IPC_MESSAGE_CONTROL3(TracingMsg_EnableMonitoring,
                      std::string /*  category_filter_str */,
                      base::TimeTicks /* browser_time */,
                      int /* base::debug::TraceLog::Options */)
 
-// Sent to all child processes to stop monitoring.
+// Sent to all child processes to stop monitoring..
 IPC_MESSAGE_CONTROL0(TracingMsg_DisableMonitoring)
 
 // Sent to all child processes to capture the current monitorint snapshot.
 IPC_MESSAGE_CONTROL0(TracingMsg_CaptureMonitoringSnapshot)
 
 // Sent to all child processes to get trace buffer fullness.
 IPC_MESSAGE_CONTROL0(TracingMsg_GetTraceBufferPercentFull)
 
 // Sent to all child processes to set watch event.
 IPC_MESSAGE_CONTROL2(TracingMsg_SetWatchEvent,
                      std::string /* category_name */,
                      std::string /* event_name */)
 
 // Sent to all child processes to clear watch event.
 IPC_MESSAGE_CONTROL0(TracingMsg_CancelWatchEvent)
 
-// Sent everytime when a watch event is matched.
-IPC_MESSAGE_CONTROL0(TracingHostMsg_WatchEventMatched);
-
 // Notify the browser that this child process supports tracing.
 IPC_MESSAGE_CONTROL0(TracingHostMsg_ChildSupportsTracing)
 
 // Reply from child processes acking TracingMsg_EndTracing.
 IPC_MESSAGE_CONTROL1(TracingHostMsg_EndTracingAck,
                      std::vector<std::string> /* known_categories */)
 
 // Reply from child processes acking TracingMsg_CaptureMonitoringSnapshot.
 IPC_MESSAGE_CONTROL0(TracingHostMsg_CaptureMonitoringSnapshotAck)
 
+// Sent if the trace buffer becomes full.
+IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceNotification,
+                     int /* base::debug::TraceLog::Notification */)
+
 // Child processes send back trace data in JSON chunks.
 IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceDataCollected,
                      std::string /*json trace data*/)
 
 // Child processes send back trace data of the current monitoring
 // in JSON chunks.
 IPC_MESSAGE_CONTROL1(TracingHostMsg_MonitoringTraceDataCollected,
                      std::string /*json trace data*/)
 
 // Reply to TracingMsg_GetTraceBufferPercentFull.
 IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceBufferPercentFullReply,
                      float /*trace buffer percent full*/)