POC for InspectorInstrumentation adding InspectorWebPerfAgent

third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h

Index: third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
diff --git a/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h b/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
new file mode 100644
index 0000000000000000000000000000000000000000..8611c6048017bb317ca4347bc203126f74a28587
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+++ b/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
@@ -0,0 +1,44 @@
+// Copyright 2016 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 InspectorWebPerfAgent_h
+#define InspectorWebPerfAgent_h
+
+#include "core/CoreExport.h"
+#include "core/inspector/InspectorBaseAgent.h"
+#include "public/platform/WebThread.h"
+
+namespace blink {
+
+class DocumentLoader;
+class LocalFrame;
+class InspectedFrames;
+
+class CORE_EXPORT InspectorWebPerfAgent final
+        : public InspectorAgent
+        , private WebThread::TaskObserver {
+    WTF_MAKE_NONCOPYABLE(InspectorWebPerfAgent);
+public:
+    InspectorWebPerfAgent(InspectedFrames*);
+    ~InspectorWebPerfAgent() override;
+    DECLARE_VIRTUAL_TRACE();
+
+    // Base agent methods.
+    void init(InstrumentingAgents*, protocol::UberDispatcher*, protocol::DictionaryValue*) override {}
+    void dispose() override {}
+
+    // API for InspectorInstrumentation
+    void didCommitLoad(LocalFrame*, DocumentLoader*);
+
+    // WebThread::TaskObserver implementation.
+    void willProcessTask() override;
+    void didProcessTask() override;
+
+private:
+    Member<InspectedFrames> m_inspectedFrames;
+};
+
+} // namespace blink
+
+#endif // InspectorWebPerfAgent_h