Valgrind: Dissolve ValgrindTool hierarchy level

Medium term all *Tool should be replaced by RunControl(Factory)
to make the analyzer architecture more similar to Qt Creator core

Change-Id: I892cfc7fe45c73cc6ac4442a288810b83cb24c17
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>

src/plugins/valgrind/memchecktool.cpp

@@ -187,7 +187,7 @@ static void initKindFilterAction(QAction *action, const QList<int> &kinds)
 }
 
 MemcheckTool::MemcheckTool(QObject *parent)
-  : ValgrindTool(parent)
+  : IAnalyzerTool(parent)
 {
     m_settings = 0;
     m_errorModel = 0;
@@ -599,6 +599,14 @@ void MemcheckTool::setBusyCursor(bool busy)
     m_errorView->setCursor(cursor);
 }
 
+void MemcheckTool::startTool(StartMode mode)
+{
+    if (mode == StartLocal)
+        startLocalTool();
+    if (mode == StartRemote)
+        startRemoteTool();
+}
+
 MemcheckWithGdbTool::MemcheckWithGdbTool(QObject *parent) :
     MemcheckTool(parent)
 {