Clean up public TracingController interface [1/3]: hide TraceDataEndpoint

content/browser/tracing/background_tracing_manager_impl.cc

 // 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 "content/browser/tracing/background_tracing_manager_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/rand_util.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "content/browser/tracing/background_tracing_rule.h"
+#include "content/browser/tracing/tracing_controller_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/tracing_delegate.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 
 namespace content {
 
 namespace {
 
@@ skipping 470 matching lines @@
   triggered_named_event_handle_ = -1;
   tracing_timer_.reset();
 
   bool is_allowed_finalization =
       !delegate_ || (config_ &&
                      delegate_->IsAllowedToEndBackgroundScenario(
                          *config_.get(), requires_anonymized_data_));
 
   scoped_refptr<TracingControllerImpl::TraceDataSink> trace_data_sink;
   if (is_allowed_finalization) {
-    trace_data_sink = content::TracingController::CreateCompressedStringSink(
-        content::TracingController::CreateCallbackEndpoint(
+    trace_data_sink = TracingControllerImpl::CreateCompressedStringSink(
+        TracingControllerImpl::CreateCallbackEndpoint(
             base::Bind(&BackgroundTracingManagerImpl::OnFinalizeStarted,
                        base::Unretained(this))));
     RecordBackgroundTracingMetric(FINALIZATION_ALLOWED);
     AddCustomMetadata(trace_data_sink.get());
   } else {
     RecordBackgroundTracingMetric(FINALIZATION_DISALLOWED);
   }
 
   content::TracingController::GetInstance()->StopTracing(trace_data_sink);
 
@@ skipping 38 matching lines @@
     case BackgroundTracingConfigImpl::CategoryPreset::BLINK_STYLE:
       return "blink_style";
     case BackgroundTracingConfigImpl::CategoryPreset::CATEGORY_PRESET_UNSET:
       NOTREACHED();
   }
   NOTREACHED();
   return "";
 }
 
 }  // namspace content