[instrumentation] Introduce InspectorTraceEvents agent

third_party/WebKit/Source/core/loader/PingLoader.cpp

Index: third_party/WebKit/Source/core/loader/PingLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/PingLoader.cpp b/third_party/WebKit/Source/core/loader/PingLoader.cpp
index 6ecfdf66f5e4684f30a39bca7edbf71143ebc5f0..e9cddb9b2385cf0f7c36e00878fa6207edcae0d6 100644
--- a/third_party/WebKit/Source/core/loader/PingLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/PingLoader.cpp
@@ -342,9 +342,6 @@ bool PingLoaderImpl::willFollowRedirect(
 
 void PingLoaderImpl::didReceiveResponse(const WebURLResponse& response) {
   if (frame()) {
-    TRACE_EVENT1(
-        "devtools.timeline", "ResourceFinish", "data",
-        InspectorResourceFinishEvent::data(m_identifier, 0, true, 0, 0));
     const ResourceResponse& resourceResponse = response.toResourceResponse();
     probe::didReceiveResourceResponse(frame(), m_identifier, 0,
                                       resourceResponse, 0);
@@ -354,46 +351,30 @@ void PingLoaderImpl::didReceiveResponse(const WebURLResponse& response) {
 }
 
 void PingLoaderImpl::didReceiveData(const char*, int dataLength) {
-  if (frame()) {
-    TRACE_EVENT1("devtools.timeline", "ResourceFinish", "data",
-                 InspectorResourceFinishEvent::data(m_identifier, 0, true,
-                                                    dataLength, 0));
+  if (frame())
     didFailLoading(frame());
-  }
   dispose();
 }
 
 void PingLoaderImpl::didFinishLoading(double,
                                       int64_t,
                                       int64_t encodedDataLength) {
-  if (frame()) {
-    TRACE_EVENT1("devtools.timeline", "ResourceFinish", "data",
-                 InspectorResourceFinishEvent::data(m_identifier, 0, true,
-                                                    encodedDataLength, 0));
+  if (frame())
     didFailLoading(frame());
-  }
   dispose();
 }
 
 void PingLoaderImpl::didFail(const WebURLError& resourceError,
                              int64_t,
                              int64_t encodedDataLength) {
-  if (frame()) {
-    TRACE_EVENT1("devtools.timeline", "ResourceFinish", "data",
-                 InspectorResourceFinishEvent::data(m_identifier, 0, true,
-                                                    encodedDataLength, 0));
+  if (frame())
     didFailLoading(frame());
-  }
   dispose();
 }
 
 void PingLoaderImpl::timeout(TimerBase*) {
-  if (frame()) {
-    TRACE_EVENT1(
-        "devtools.timeline", "ResourceFinish", "data",
-        InspectorResourceFinishEvent::data(m_identifier, 0, true, 0, 0));
+  if (frame())
     didFailLoading(frame());
-  }
   dispose();
 }