DevTools: Make network events continuous on Timeline

third_party/WebKit/Source/core/fetch/ResourceFetcher.cpp

Index: third_party/WebKit/Source/core/fetch/ResourceFetcher.cpp
diff --git a/third_party/WebKit/Source/core/fetch/ResourceFetcher.cpp b/third_party/WebKit/Source/core/fetch/ResourceFetcher.cpp
index 9066f8141d813477d92c978ba9e0f0449964fa98..83e38a38866bd36d00b2edbbe045fe34c113d3cc 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceFetcher.cpp
+++ b/third_party/WebKit/Source/core/fetch/ResourceFetcher.cpp
@@ -34,6 +34,7 @@
 #include "core/fetch/MemoryCache.h"
 #include "core/fetch/ResourceLoader.h"
 #include "core/fetch/ResourceLoaderSet.h"
+#include "core/fetch/TraceEventArguments.h"
 #include "core/fetch/UniqueIdentifier.h"
 #include "platform/Logging.h"
 #include "platform/RuntimeEnabledFeatures.h"
@@ -67,7 +68,7 @@ enum SriResourceIntegrityMismatchEvent {
     SriResourceIntegrityMismatchEventCount
 };
 
-}
+} // namespace
 
 static void RecordSriResourceIntegrityMismatchEvent(SriResourceIntegrityMismatchEvent event)
 {
@@ -338,6 +339,9 @@ void ResourceFetcher::moveCachedNonBlockingResourceToBlocking(Resource* resource
 ResourcePtr<Resource> ResourceFetcher::requestResource(FetchRequest& request, const ResourceFactory& factory, const SubstituteData& substituteData)
 {
     ASSERT(request.options().synchronousPolicy == RequestAsynchronously || factory.type() == Resource::Raw || factory.type() == Resource::XSLStyleSheet);
+    unsigned long identifier = createUniqueIdentifier();
+    TRACE_EVENT1("devtools.timeline", "ResourceSendRequest",
+        "data", InspectorSendRequestEvent::data(identifier, request.resourceRequest()));
 
     context().upgradeInsecureRequest(request);
     context().addClientHintsIfNecessary(request);
@@ -407,7 +411,7 @@ ResourcePtr<Resource> ResourceFetcher::requestResource(FetchRequest& request, co
         m_deadStatsRecorder.update(policy);
 
     if (policy != Use)
-        resource->setIdentifier(createUniqueIdentifier());
+        resource->setIdentifier(identifier);
 
     if (!request.forPreload() || policy != Use) {
         ResourceLoadPriority priority = loadPriority(factory.type(), request, ResourcePriority::NotVisible);