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third_party/WebKit/Source/bindings/core/v8/ScriptStreamer.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ScriptStreamer_h
 #define ScriptStreamer_h
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
+#include "platform/weborigin/KURL.h"
 #include "wtf/RefCounted.h"
 
 #include <v8.h>
 
 namespace blink {
 
 class PendingScript;
 class Resource;
 class ScriptResource;
 class ScriptState;
@@ skipping 55 matching lines @@
     // Called by PendingScript when data arrives from the network.
     void notifyAppendData(ScriptResource*);
     void notifyFinished(Resource*);
 
     // Called by ScriptStreamingTask when it has streamed all data to V8 and V8
     // has processed it.
     void streamingCompleteOnBackgroundThread();
 
     v8::ScriptCompiler::StreamedSource::Encoding encoding() const { return m_encoding; }
 
+    const KURL& scriptURL() const { return m_scriptURL; }

[caseq, 2016/03/18 23:36:04]

We only care for the string representation of URL, so perhaps keep and return
just the string?

[horo, 2016/03/23 07:06:05]

Done.

+
     static void setSmallScriptThresholdForTesting(size_t threshold)
     {
         s_smallScriptThreshold = threshold;
     }
 
     static size_t smallScriptThreshold() { return s_smallScriptThreshold; }
 
 private:
     // Scripts whose first data chunk is smaller than this constant won't be
     // streamed. Non-const for testing.
@@ skipping 34 matching lines @@
     bool m_streamingSuppressed;
 
     // What kind of cached data V8 produces during streaming.
     v8::ScriptCompiler::CompileOptions m_compileOptions;
 
     RefPtr<ScriptState> m_scriptState;
 
     // For recording metrics for different types of scripts separately.
     Type m_scriptType;
 
+    // Keep the script URL for event tracing.
+    KURL m_scriptURL;
+
     mutable Mutex m_mutex;
 
     // Encoding of the streamed script. Saved for sanity checking purposes.
     v8::ScriptCompiler::StreamedSource::Encoding m_encoding;
 
     OwnPtr<WebTaskRunner> m_loadingTaskRunner;
 };
 
 } // namespace blink
 
 #endif // ScriptStreamer_h