[DevTools] Move v8-related instrumentation from agents to InspectorSession.

third_party/WebKit/Source/platform/v8_inspector/public/V8InspectorSessionClient.h

Index: third_party/WebKit/Source/platform/v8_inspector/public/V8InspectorSessionClient.h
diff --git a/third_party/WebKit/Source/platform/v8_inspector/public/V8InspectorSessionClient.h b/third_party/WebKit/Source/platform/v8_inspector/public/V8InspectorSessionClient.h
new file mode 100644
index 0000000000000000000000000000000000000000..bb5beec6096bc67663c026b131d92b5c137d21ff
--- /dev/null
+++ b/third_party/WebKit/Source/platform/v8_inspector/public/V8InspectorSessionClient.h
@@ -0,0 +1,24 @@
+// 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 V8InspectorSessionClient_h
+#define V8InspectorSessionClient_h
+
+#include "platform/PlatformExport.h"
+
+#include <v8.h>
+
+namespace blink {
+
+class PLATFORM_EXPORT V8InspectorSessionClient {
+public:
+    virtual ~V8InspectorSessionClient() { }
+    virtual void startInstrumenting() = 0;
+    virtual void stopInstrumenting() = 0;
+};
+
+} // namespace blink
+
+
+#endif // V8InspectorSessionClient_h