QmlProfiler: Refactor

The code of the qmlprofiler client has become a bit too complex,
this patch reorganizes the modules in a more sensible way,
having the modules communicate with each other through a
state machine instead of the excess of signals and slots
from before.

Change-Id: I76f7313779888a1bd07a1cdb1acbf2e47aacf42a
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/libs/qmljsdebugclient/qmlprofilertraceclient.h

@@ -80,10 +80,9 @@ public:
 
     bool isEnabled() const;
     bool isRecording() const;
+    void setRecording(bool);
 
 public slots:
-    void setRecording(bool);
-    void setRecordingFromServer(bool);
     void clearData();
     void sendRecordingStatus();
 
@@ -106,6 +105,9 @@ protected:
     virtual void statusChanged(Status);
     virtual void messageReceived(const QByteArray &);
 
+private:
+    void setRecordingFromServer(bool);
+
 private:
     class QmlProfilerTraceClientPrivate *d;
 };