Project: Move signalling of parsing state into Project

Get rid of duplicated code to do such signaling in derived Project types.

Change-Id: I26914a1d751d72ee65c15a7943e0e7f34978f042
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/cmakeprojectmanager/cmakeproject.h

@@ -105,10 +105,6 @@ public:
 
     ProjectExplorer::ProjectImporter *projectImporter() const final;
 
-signals:
-    /// emitted when cmake is running:
-    void parsingStarted();
-
 protected:
     RestoreResult fromMap(const QVariantMap &map, QString *errorMessage) final;
     bool setupTarget(ProjectExplorer::Target *t) final;
@@ -121,6 +117,7 @@ private:
     void handleParsingStarted();
     void handleTreeScanningFinished();
     void updateProjectData(Internal::CMakeBuildConfiguration *cmakeBc);
+    void handleParsingError(Internal::CMakeBuildConfiguration *bc);
     void updateQmlJSCodeModel();
 
     void createGeneratedCodeModelSupport();