Fix up strings Sky passes to base/trace_event

sky/engine/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 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
@@ skipping 293 matching lines @@
         return EventTypeNames::gesturetap;
     case WebInputEvent::GestureTapUnconfirmed:
         return EventTypeNames::gesturetapunconfirmed;
     default:
         return String("unknown");
     }
 }
 
 bool WebViewImpl::handleInputEvent(const WebInputEvent& inputEvent)
 {
-    TRACE_EVENT1("input", "WebViewImpl::handleInputEvent", "type", inputTypeToName(inputEvent.type).ascii().data());
+    TRACE_EVENT1("input", "WebViewImpl::handleInputEvent", "type",
+                 TRACE_STR_COPY(inputTypeToName(inputEvent.type).ascii().data()));
 
     if (WebInputEvent::isPointerEventType(inputEvent.type)) {
         const WebPointerEvent& event = static_cast<const WebPointerEvent&>(inputEvent);
         return m_page->mainFrame()->newEventHandler().handlePointerEvent(event);
     }
 
     if (WebInputEvent::isGestureEventType(inputEvent.type)) {
         const WebGestureEvent& event = static_cast<const WebGestureEvent&>(inputEvent);
         return m_page->mainFrame()->newEventHandler().handleGestureEvent(event);
     }
@@ skipping 479 matching lines @@
 void WebViewImpl::setVisibilityState(WebPageVisibilityState visibilityState,
                                      bool isInitialState) {
     if (!page())
         return;
 
     ASSERT(visibilityState == WebPageVisibilityStateVisible || visibilityState == WebPageVisibilityStateHidden);
     m_page->setVisibilityState(static_cast<PageVisibilityState>(static_cast<int>(visibilityState)), isInitialState);
 }
 
 } // namespace blink