[instrumentation] Generalize instrumentation to be used beyond the core layer

third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp

 // Copyright 2014 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 "core/inspector/InspectorTraceEvents.h"
 
 #include <inttypes.h>
 
 #include <memory>
 
@@ skipping 71 matching lines @@
         TRACE_DISABLED_BY_DEFAULT("devtools.timeline.stack"));
   if (!*traceCategoryEnabled)
     return;
   // The CPU profiler stack trace does not include call site line numbers.
   // So we collect the top frame with SourceLocation::capture() to get the
   // binding call site info.
   SourceLocation::capture()->toTracedValue(value, "stackTrace");
   v8::Isolate::GetCurrent()->GetCpuProfiler()->CollectSample();
 }
 
-void InspectorTraceEvents::init(InstrumentingAgents* instrumentingAgents,
-                                protocol::UberDispatcher*,
-                                protocol::DictionaryValue*) {
+void InspectorTraceEvents::init(
+    InspectorInstrumentationAgents* instrumentingAgents,
+    protocol::UberDispatcher*,
+    protocol::DictionaryValue*) {
   m_instrumentingAgents = instrumentingAgents;
   m_instrumentingAgents->addInspectorTraceEvents(this);
 }
 
 void InspectorTraceEvents::dispose() {
   m_instrumentingAgents->removeInspectorTraceEvents(this);
   m_instrumentingAgents = nullptr;
 }
 
 DEFINE_TRACE(InspectorTraceEvents) {
@@ skipping 1100 matching lines @@
   return value;
 }
 
 std::unique_ptr<TracedValue> InspectorAsyncTask::data(const String& name) {
   std::unique_ptr<TracedValue> value = TracedValue::create();
   value->setString("name", name);
   return value;
 }
 
 }  // namespace blink