Qml Tooling: Fix debugging & profiling of .qml files loaded from resources

Don't expect that every url specifying a file is a local file url. Instead
let FileInProjectFinder handle urls with other schemes gracefully, too.

Change-Id: I72457d502ff1caf52f588e8ec41ab260882d1cf5
Reviewed-on: http://codereview.qt.nokia.com/1840
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Christiaan Janssen <christiaan.janssen@nokia.com>

src/plugins/debugger/qml/qmlengine.h

@@ -153,7 +153,7 @@ private:
         LogReceive
     };
     void logMessage(LogDirection direction, const QString &str);
-    QString toFileInProject(const QString &file);
+    QString toFileInProject(const QUrl &fileUrl);
 
 private:
     friend class QmlCppEngine;