Otherwise it's possible to remove the tool bar without ever getting it
back.

Only the ClientProxy uses it anyway.

Reviewed-by: Thorbjorn Lindeijer

Seems it's not only theoretically possible but people actually want to use it

Task-number: QTCREATORBUG-3813

Merge-request: 254
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

Do not start a synchronization if the breakpoint is not owned.

Introducing EngineDefault such that CDB/LLDB can use full paths
by default and gdb can use short paths.

Reviewed-by: hjk

It was being drawn one pixel too large, showing some garbage pixels.

These buttons are not in a regular layout so they were not being resized
down to the available size. Just specify a fixed height on all levels
now, and make sure it is consistent.

Changed around the way the background is drawn on the crumble path, so
that the background extends below the filter line edit.

Reviewed-by: Kai Koehne

Move tooltip-request handling from DebuggerPlugin into
DebuggerToolTipManager.

Request tooltip only if position changed and close
standard tooltip on success.

Task-number: QTCREATORBUG-3795

dff->diff.

Started out in assembly mode, regression introduced by
a9982cac
(Debugger[CDB]: Enable engine restart)

This one has the common debugger actions as well as the QML Observer
specific part. This makes sure those actions are generally available and
not only from the QML Observer dock widget.

The filter in the tool bar should still be moved back.

Reviewed-by: Christiaan Janssen <christiaan.janssen@nokia.com>

That should make the possibility to use it as input more obvious.

Reviewed-by: Friedemann Kleint

Reviewed-by: Kai Koehne

Reviewed-by: Alessandro Portale

* Prefer command line arguments on session management to
  settings.

Reviewed-by: thorbjorn

Task-Nr: QTCREATORBUG-3740