DevTools: Make network events continuous on Timeline

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

Index: third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
diff --git a/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp b/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
index a549bf6f92b6c0378965ddbf3d9873d8d4a42c01..a49167eb212d8cff484e90f882778faf87ca4569 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
+++ b/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
@@ -31,12 +31,14 @@
 #include "core/fetch/ResourceLoader.h"
 
 #include "core/fetch/CSSStyleSheetResource.h"
+#include "core/fetch/InspectorFetchTraceEvents.h"
 #include "core/fetch/Resource.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/fetch/ResourcePtr.h"
 #include "platform/Logging.h"
 #include "platform/SharedBuffer.h"
 #include "platform/ThreadedDataReceiver.h"
+#include "platform/TraceEvent.h"
 #include "platform/exported/WrappedResourceRequest.h"
 #include "platform/exported/WrappedResourceResponse.h"
 #include "platform/network/ResourceError.h"
@@ -314,6 +316,7 @@ void ResourceLoader::didReceiveResponse(WebURLLoader*, const WebURLResponse& res
     m_connectionState = ConnectionStateReceivedResponse;
 
     const ResourceResponse& resourceResponse = response.toResourceResponse();
+    TRACE_EVENT1("devtools.timeline", "ResourceReceiveResponse", "data", InspectorReceiveResponseEvent::data(m_resource->identifier(), resourceResponse));
 
     if (responseNeedsAccessControlCheck()) {
         if (response.wasFetchedViaServiceWorker()) {
@@ -392,6 +395,7 @@ void ResourceLoader::didReceiveData(WebURLLoader*, const char* data, int length,
 {
     ASSERT(m_state != Terminated);
     RELEASE_ASSERT(m_connectionState == ConnectionStateReceivedResponse || m_connectionState == ConnectionStateReceivingData);
+    TRACE_EVENT1("devtools.timeline", "ResourceReceivedData", "data", InspectorReceiveDataEvent::data(m_resource->identifier(), encodedDataLength));
     m_connectionState = ConnectionStateReceivingData;
 
     // It is possible to receive data on uninitialized resources if it had an error status code, and we are running a nested message
@@ -413,6 +417,7 @@ void ResourceLoader::didReceiveData(WebURLLoader*, const char* data, int length,
 void ResourceLoader::didFinishLoading(WebURLLoader*, double finishTime, int64_t encodedDataLength)
 {
     RELEASE_ASSERT(m_connectionState == ConnectionStateReceivedResponse || m_connectionState == ConnectionStateReceivingData);
+    TRACE_EVENT1("devtools.timeline", "ResourceFinish", "data", InspectorResourceFinishEvent::data(m_resource->identifier(), finishTime, false));
     m_connectionState = ConnectionStateFinishedLoading;
     if (m_state != Initialized)
         return;
@@ -436,6 +441,7 @@ void ResourceLoader::didFinishLoading(WebURLLoader*, double finishTime, int64_t
 
 void ResourceLoader::didFail(WebURLLoader*, const WebURLError& error)
 {
+    TRACE_EVENT1("devtools.timeline", "ResourceFinish", "data", InspectorResourceFinishEvent::data(m_resource->identifier(), 0, true));
     m_connectionState = ConnectionStateFailed;
     ASSERT(m_state != Terminated);
     WTF_LOG(ResourceLoading, "Failed to load '%s'.\n", m_resource->url().string().latin1().data());