Added Dartium changes onto 45.0.2454.104

Source/bindings/core/dart/DartInspectorTimeline.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
-//
-// The Chromium Authors can be found at
-// http://src.chromium.org/svn/trunk/src/AUTHORS
+// Copyright 2012, Google Inc.
+// All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //    * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //    * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
 // distribution.
 //    * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef DartInspectorTimeline_h
+#define DartInspectorTimeline_h
+
+#include "core/inspector/InspectorInstrumentation.h"
+
+namespace blink {
+
+class Timeline {
+public:
+    Timeline(LocalFrame* frame, const String& tag)
+        : m_cookie(InspectorInstrumentation::willEvaluateScript(frame, tag, 0))
+    {
+    }
+
+    ~Timeline()
+    {
+        InspectorInstrumentation::didEvaluateScript(m_cookie);
+    }
+
+private:
+    const InspectorInstrumentationCookie m_cookie;
+};
+
+}
+
+#endif