DevTools: wire network requests to async infrastructure to test coverage.

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

Index: third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp
diff --git a/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp b/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp
index 01d14708cc4ceb6aa510b290ba5efd5a86785e05..978f3ba70da7ddc74c62000c5f3b9a65243d2af6 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp
+++ b/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp
@@ -45,6 +45,14 @@
 
 namespace blink {
 
+namespace {
+
+void* asyncId(unsigned long identifier) {
+  return reinterpret_cast<void*>((identifier << 1) | 1);
+}
+
+}  //  namespace
+
 String toHexString(const void* p) {
   return String::format("0x%" PRIx64,
                         static_cast<uint64_t>(reinterpret_cast<uintptr_t>(p)));
@@ -92,6 +100,8 @@ void InspectorTraceEvents::willSendRequest(
   TRACE_EVENT_INSTANT1(
       "devtools.timeline", "ResourceSendRequest", TRACE_EVENT_SCOPE_THREAD,
       "data", InspectorSendRequestEvent::data(identifier, frame, request));
+  probe::asyncTaskScheduled(frame->document(), "SendRequest",
+                            asyncId(identifier));
 }
 
 void InspectorTraceEvents::didReceiveResourceResponse(
@@ -103,6 +113,8 @@ void InspectorTraceEvents::didReceiveResourceResponse(
   TRACE_EVENT_INSTANT1(
       "devtools.timeline", "ResourceReceiveResponse", TRACE_EVENT_SCOPE_THREAD,
       "data", InspectorReceiveResponseEvent::data(identifier, frame, response));
+  probe::AsyncTask asyncTask(frame->document(), asyncId(identifier),
+                             "response");
 }
 
 void InspectorTraceEvents::didReceiveData(LocalFrame* frame,
@@ -113,6 +125,7 @@ void InspectorTraceEvents::didReceiveData(LocalFrame* frame,
       "devtools.timeline", "ResourceReceivedData", TRACE_EVENT_SCOPE_THREAD,
       "data",
       InspectorReceiveDataEvent::data(identifier, frame, encodedDataLength));
+  probe::AsyncTask asyncTask(frame->document(), asyncId(identifier), "data");
 }
 
 void InspectorTraceEvents::didFinishLoading(LocalFrame* frame,
@@ -124,6 +137,7 @@ void InspectorTraceEvents::didFinishLoading(LocalFrame* frame,
       "devtools.timeline", "ResourceFinish", TRACE_EVENT_SCOPE_THREAD, "data",
       InspectorResourceFinishEvent::data(identifier, finishTime, false,
                                          encodedDataLength, decodedBodyLength));
+  probe::AsyncTask asyncTask(frame->document(), asyncId(identifier));
 }
 
 void InspectorTraceEvents::didFailLoading(unsigned long identifier,