Remove user gesture tracking

sky/engine/public/web/WebScopedUserGesture.h

Index: sky/engine/public/web/WebScopedUserGesture.h
diff --git a/sky/engine/public/web/WebScopedUserGesture.h b/sky/engine/public/web/WebScopedUserGesture.h
deleted file mode 100644
index a3425f8917d30efce30eff743a9e6bb734b0d208..0000000000000000000000000000000000000000
--- a/sky/engine/public/web/WebScopedUserGesture.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2011 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 SKY_ENGINE_PUBLIC_WEB_WEBSCOPEDUSERGESTURE_H_
-#define SKY_ENGINE_PUBLIC_WEB_WEBSCOPEDUSERGESTURE_H_
-
-#include "../platform/WebPrivateOwnPtr.h"
-
-namespace blink {
-
-class UserGestureIndicator;
-class WebUserGestureToken;
-
-// An instance of this class, while kept alive, will indicate that we are in
-// the context of a known user gesture. To use, create one, perform whatever
-// actions were done under color of a known user gesture, and then delete it.
-// Usually this will be done on the stack.
-//
-// SECURITY WARNING: Do not create several instances of this class for the same
-// user gesture. Doing so might enable malicious code to work around certain
-// restrictions such as opening multiple windows.
-// Instead, obtain the current WebUserGestureToken from the
-// WebUserGestureIndicator, and use this token to create a
-// WebScopedUserGesture. If the token was alrady consumed, the new
-// WebScopedUserGesture will not indicate that we are in the context of a user
-// gesture.
-class WebScopedUserGesture {
-public:
-    explicit WebScopedUserGesture(const WebUserGestureToken& token) { initializeWithToken(token); }
-    WebScopedUserGesture() { initialize(); }
-    ~WebScopedUserGesture() { reset(); }
-
-private:
-    BLINK_EXPORT void initialize();
-    BLINK_EXPORT void initializeWithToken(const WebUserGestureToken&);
-    BLINK_EXPORT void reset();
-
-    WebPrivateOwnPtr<UserGestureIndicator> m_indicator;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_PUBLIC_WEB_WEBSCOPEDUSERGESTURE_H_