Revert 226701 "Implement TracingController::{Enable,Disable,Capt..."

Added test base_unittests:TraceContinuousSampling fails on main waterfall

http://build.chromium.org/p/chromium.linux/buildstatus?builder=Linux%20Clang%20%28dbg%29&number=51008

TraceEventTestFixture.TraceContinuousSampling: 
../../base/debug/trace_event_unittest.cc:1814: Failure
Value of: FindNamePhase("CCC", "P")
Actual: false
Expected: true

> Implement TracingController::{Enable,Disable,Capture}Monitoring
> 
> This CL implements TracingController::EnableMonitoring,
> TracingController::DisableMonitoring and
> TracingController::CaptureMonitoringSnapshot.
> 
> BUG=241743
> TEST=base_unittests::TraceEventTestFixture.TraceContinuousSampling,
> content_browsertests::TracingControllerTest.EnableCaptureAndDisableMonitoring
> 
> Review URL: https://codereview.chromium.org/23531042

TBR=haraken@chromium.org

Review URL: https://codereview.chromium.org/25849002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226713 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 47 deletions

diff --git a/components/tracing/child_trace_message_filter.cc b/components/tracing/child_trace_message_filter.cc
index 9925f3f..8310ec5 100644
--- a/components/tracing/child_trace_message_filter.cc
+++ b/components/tracing/child_trace_message_filter.cc
@@ -34,10 +34,6 @@ bool ChildTraceMessageFilter::OnMessageReceived(const IPC::Message& message) {
   IPC_BEGIN_MESSAGE_MAP(ChildTraceMessageFilter, message)
     IPC_MESSAGE_HANDLER(TracingMsg_BeginTracing, OnBeginTracing)
     IPC_MESSAGE_HANDLER(TracingMsg_EndTracing, OnEndTracing)
-    IPC_MESSAGE_HANDLER(TracingMsg_EnableMonitoring, OnEnableMonitoring)
-    IPC_MESSAGE_HANDLER(TracingMsg_DisableMonitoring, OnDisableMonitoring)
-    IPC_MESSAGE_HANDLER(TracingMsg_CaptureMonitoringSnapshot,
-                        OnCaptureMonitoringSnapshot)
     IPC_MESSAGE_HANDLER(TracingMsg_GetTraceBufferPercentFull,
                         OnGetTraceBufferPercentFull)
     IPC_MESSAGE_HANDLER(TracingMsg_SetWatchEvent, OnSetWatchEvent)
@@ -77,33 +73,6 @@ void ChildTraceMessageFilter::OnEndTracing() {
       base::Bind(&ChildTraceMessageFilter::OnTraceDataCollected, this));
 }
 
-void ChildTraceMessageFilter::OnEnableMonitoring(
-    const std::string& category_filter_str,
-    base::TimeTicks browser_time,
-    int options) {
-  TraceLog::GetInstance()->SetEnabled(
-      base::debug::CategoryFilter(category_filter_str),
-      static_cast<base::debug::TraceLog::Options>(options));
-}
-
-void ChildTraceMessageFilter::OnDisableMonitoring() {
-  TraceLog::GetInstance()->SetDisabled();
-}
-
-void ChildTraceMessageFilter::OnCaptureMonitoringSnapshot() {
-  // Flush will generate one or more callbacks to
-  // OnMonitoringTraceDataCollected. It's important that the last
-  // OnMonitoringTraceDataCollected gets called before
-  // CaptureMonitoringSnapshotAck below. We are already on the IO thread,
-  // so the OnMonitoringTraceDataCollected calls will not be deferred.
-  TraceLog::GetInstance()->FlushButLeaveBufferIntact(
-      base::Bind(&ChildTraceMessageFilter::
-                 OnMonitoringTraceDataCollected,
-                 this));
-
-  channel_->Send(new TracingHostMsg_CaptureMonitoringSnapshotAck());
-}
-
 void ChildTraceMessageFilter::OnGetTraceBufferPercentFull() {
   float bpf = TraceLog::GetInstance()->GetBufferPercentFull();
 
@@ -140,22 +109,6 @@ void ChildTraceMessageFilter::OnTraceDataCollected(
   }
 }
 
-void ChildTraceMessageFilter::OnMonitoringTraceDataCollected(
-     const scoped_refptr<base::RefCountedString>& events_str_ptr,
-     bool has_more_events) {
-  if (!ipc_message_loop_->BelongsToCurrentThread()) {
-    ipc_message_loop_->PostTask(FROM_HERE,
-        base::Bind(&ChildTraceMessageFilter::
-                   OnMonitoringTraceDataCollected,
-                   this,
-                   events_str_ptr,
-                   has_more_events));
-    return;
-  }
-  channel_->Send(new TracingHostMsg_MonitoringTraceDataCollected(
-      events_str_ptr->data()));
-}
-
 void ChildTraceMessageFilter::OnTraceNotification(int notification) {
   if (!ipc_message_loop_->BelongsToCurrentThread()) {
     ipc_message_loop_->PostTask(FROM_HERE,