DevTools: Show decoded body length for network requests on timeline.

third_party/WebKit/Source/platform/loader/fetch/ResourceLoader.cpp

Index: third_party/WebKit/Source/platform/loader/fetch/ResourceLoader.cpp
diff --git a/third_party/WebKit/Source/platform/loader/fetch/ResourceLoader.cpp b/third_party/WebKit/Source/platform/loader/fetch/ResourceLoader.cpp
index ccced5d9ad235180405b77ea63d89947ddc2845f..ef271ff7e6017754cd17f6056682837a66bab7bd 100644
--- a/third_party/WebKit/Source/platform/loader/fetch/ResourceLoader.cpp
+++ b/third_party/WebKit/Source/platform/loader/fetch/ResourceLoader.cpp
@@ -424,7 +424,8 @@ void ResourceLoader::didFinishLoadingFirstPartInMultipart() {
   TRACE_EVENT1("devtools.timeline", "ResourceFinish", "data",
                InspectorResourceFinishEvent::data(
                    m_resource->identifier(), 0, false,
-                   m_resource->response().encodedDataLength()));
+                   m_resource->response().encodedDataLength(),
+                   m_resource->response().decodedBodyLength()));
   network_instrumentation::endResourceLoad(
       m_resource->identifier(),
       network_instrumentation::RequestOutcome::Success);
@@ -436,12 +437,15 @@ void ResourceLoader::didFinishLoadingFirstPartInMultipart() {
 void ResourceLoader::didFinishLoading(double finishTime,
                                       int64_t encodedDataLength,
                                       int64_t encodedBodyLength) {
-  TRACE_EVENT1(
-      "devtools.timeline", "ResourceFinish", "data",
-      InspectorResourceFinishEvent::data(m_resource->identifier(), finishTime,
-                                         false, encodedDataLength));
   m_resource->setEncodedDataLength(encodedDataLength);
   m_resource->addToEncodedBodyLength(encodedBodyLength);
+
+  TRACE_EVENT1("devtools.timeline", "ResourceFinish", "data",
+               InspectorResourceFinishEvent::data(
+                   m_resource->identifier(), finishTime, false,
+                   m_resource->response().encodedDataLength(),
+                   m_resource->response().decodedBodyLength()));
+
   m_loader.reset();
 
   network_instrumentation::endResourceLoad(
@@ -472,7 +476,8 @@ void ResourceLoader::handleError(const ResourceError& error) {
   TRACE_EVENT1("devtools.timeline", "ResourceFinish", "data",
                InspectorResourceFinishEvent::data(
                    m_resource->identifier(), 0, true,
-                   m_resource->response().encodedDataLength()));
+                   m_resource->response().encodedDataLength(),
+                   m_resource->response().decodedBodyLength()));
   m_loader.reset();
 
   network_instrumentation::endResourceLoad(