Debugger: move sourcePathMap back to DebuggerStartParameters

It has been in use by the Mer plugin for per build-engine path
mappings.

This reverts bits of commit 244cdb7804
(Debugger: Split off runtime-only items from DebuggerStartParameters)

Change-Id: Ibba60443c52cedf51722bc71c4df67bee5f1ecec
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/debugger/debuggerengine.h

@@ -98,7 +98,6 @@ public:
     QString coreFile;
     QString overrideStartScript; // Used in attach to core and remote debugging
     QString startMessage; // First status message shown.
-    QMap<QString, QString> sourcePathMap;
     QString debugInfoLocation; // Gdb "set-debug-file-directory".
     QStringList debugSourceLocation; // Gdb "directory"
     QString serverStartScript;

src/plugins/debugger/debuggerstartparameters.h

@@ -95,6 +95,9 @@ public:
     QSsh::SshConnectionParameters connParams;
     bool remoteSetupNeeded = false;
 
+    // Used by Mer plugin (3rd party)
+    QMap<QString, QString> sourcePathMap;
+
     // Used by baremetal plugin
     QByteArray commandsForReset; // commands used for resetting the inferior
     bool useContinueInsteadOfRun = false; // if connected to a hw debugger run is not possible but continue is used