[instrumentation] Introduce InspectorTraceEvents agent

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

Index: third_party/WebKit/Source/core/inspector/InspectorTraceEvents.h
diff --git a/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.h b/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.h
index b0d6478573f8b86428390ad27cfdee42a3f3f38c..6a09dd9f0d1cd4ca7f9643ac5efdb58acd1fe0d8 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.h
+++ b/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.h
@@ -5,14 +5,16 @@
 #ifndef InspectorTraceEvents_h
 #define InspectorTraceEvents_h
 
+#include <memory>
+
 #include "core/CoreExport.h"
 #include "core/css/CSSSelector.h"
+#include "core/inspector/InspectorBaseAgent.h"
 #include "platform/heap/Handle.h"
 #include "platform/instrumentation/tracing/TraceEvent.h"
 #include "platform/instrumentation/tracing/TracedValue.h"
 #include "wtf/Forward.h"
 #include "wtf/Functional.h"
-#include <memory>
 
 namespace v8 {
 class Function;
@@ -29,9 +31,11 @@ class Animation;
 class CSSStyleSheetResource;
 class ContainerNode;
 class Document;
+class DocumentLoader;
 class Element;
 class Event;
 class ExecutionContext;
+struct FetchInitiatorInfo;
 class FrameView;
 class GraphicsLayer;
 class HitTestLocation;
@@ -39,13 +43,15 @@ class HitTestRequest;
 class HitTestResult;
 class ImageResourceContent;
 class InvalidationSet;
-class PaintLayer;
+class LayoutImage;
+class LayoutObject;
 class LayoutRect;
 class LocalFrame;
 class Node;
+class PaintLayer;
 class QualifiedName;
-class LayoutImage;
-class LayoutObject;
+class Resource;
+class ResourceError;
 class ResourceRequest;
 class ResourceResponse;
 class StyleChangeReasonForTracing;
@@ -55,6 +61,53 @@ class XMLHttpRequest;
 
 enum ResourceLoadPriority : int;
 
+class CORE_EXPORT InspectorTraceEvents : public InspectorAgent {
+  WTF_MAKE_NONCOPYABLE(InspectorTraceEvents);
+
+ public:
+  InspectorTraceEvents() {}
+
+  void init(InstrumentingAgents* instrumentingAgents,

[pfeldman, 2017/03/06 23:31:24]

Let's put those into .cpp

[alph, 2017/03/07 00:57:48]

Done.

+            protocol::UberDispatcher*,
+            protocol::DictionaryValue*) override {
+    m_instrumentingAgents = instrumentingAgents;
+    m_instrumentingAgents->addInspectorTraceEvents(this);
+  }
+  void dispose() override {
+    m_instrumentingAgents->removeInspectorTraceEvents(this);
+    m_instrumentingAgents = nullptr;
+  }
+
+  void willSendRequest(LocalFrame*,
+                       unsigned long identifier,
+                       DocumentLoader*,
+                       ResourceRequest&,
+                       const ResourceResponse& redirectResponse,
+                       const FetchInitiatorInfo&);
+  void didReceiveResourceResponse(LocalFrame*,
+                                  unsigned long identifier,
+                                  DocumentLoader*,
+                                  const ResourceResponse&,
+                                  Resource*);
+  void didReceiveData(LocalFrame*,
+                      unsigned long identifier,
+                      const char* data,
+                      int dataLength);
+  void didFinishLoading(unsigned long identifier,
+                        double monotonicFinishTime,
+                        int64_t encodedDataLength,
+                        int64_t decodedBodyLength);
+  void didFailLoading(unsigned long identifier, const ResourceError&);
+
+  DEFINE_INLINE_VIRTUAL_TRACE() {
+    visitor->trace(m_instrumentingAgents);
+    InspectorAgent::trace(visitor);
+  }
+
+ private:
+  Member<InstrumentingAgents> m_instrumentingAgents;
+};
+
 namespace InspectorLayoutEvent {
 std::unique_ptr<TracedValue> beginData(FrameView*);
 std::unique_ptr<TracedValue> endData(LayoutObject* rootForThisLayout);