Attribute Stuff to Frames with FrameBlamer

third_party/WebKit/Source/bindings/core/v8/V8ScriptRunner.cpp

Index: third_party/WebKit/Source/bindings/core/v8/V8ScriptRunner.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8ScriptRunner.cpp b/third_party/WebKit/Source/bindings/core/v8/V8ScriptRunner.cpp
index 6117ad46d8f0acfdf01748eeb04666b91d31ad83..b381b769ad989b33f059c1a571007ae52543ea6d 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8ScriptRunner.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/V8ScriptRunner.cpp
@@ -30,9 +30,11 @@
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "bindings/core/v8/V8ThrowException.h"
+#include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/fetch/CachedMetadata.h"
 #include "core/fetch/ScriptResource.h"
+#include "core/frame/LocalFrame.h"
 #include "core/inspector/InspectorTraceEvents.h"
 #include "core/inspector/ThreadDebugger.h"
 #include "platform/Histogram.h"
@@ -443,6 +445,7 @@ v8::MaybeLocal<v8::Value> V8ScriptRunner::runCompiledInternalScript(v8::Isolate*
 
 v8::MaybeLocal<v8::Value> V8ScriptRunner::callFunction(v8::Local<v8::Function> function, ExecutionContext* context, v8::Local<v8::Value> receiver, int argc, v8::Local<v8::Value> args[], v8::Isolate* isolate)
 {
+    ScopedFrameBlamer frameBlamer(context->isDocument() ? toDocument(context)->frame() : nullptr);

[yhirano, 2016/06/01 12:26:05]

Do you want to put the frame blamer only in callFunction or in other functions
(such as callInternalFunction, runCompiledScript) as well? (I'm not suggesting
to do that, just asking.)

[Xiaocheng, 2016/06/02 03:17:19]

Nope.

     TRACE_EVENT0("v8", "v8.callFunction");
     TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");