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

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 b2db6fe39c8431571c9c5412f21d3494fe957d10..21d29b5f4219303edcf7e58c2c7d0649fe95dc51 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp
+++ b/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp
@@ -596,13 +596,15 @@ std::unique_ptr<TracedValue> InspectorResourceFinishEvent::data(
     unsigned long identifier,
     double finishTime,
     bool didFail,
-    int64_t encodedDataLength) {
+    int64_t encodedDataLength,
+    int64_t decodedBodyLength) {
   String requestId = IdentifiersFactory::requestId(identifier);
 
   std::unique_ptr<TracedValue> value = TracedValue::create();
   value->setString("requestId", requestId);
   value->setBoolean("didFail", didFail);
   value->setDouble("encodedDataLength", encodedDataLength);
+  value->setDouble("decodedBodyLength", decodedBodyLength);
   if (finishTime)
     value->setDouble("finishTime", finishTime);
   return value;