Utils: Add convenience function for generating a unique Id

Change-Id: I74516ef5077009ebcf1d47c724ca63e502729ede
Reviewed-by: hjk <hjk@qt.io>

src/plugins/mesonprojectmanager/mesonwrapper.cpp

@@ -6,8 +6,6 @@
 #include <utils/algorithm.h>
 #include <utils/qtcassert.h>
 
-#include <QUuid>
-
 namespace {
 template<typename First>
 void impl_option_cat(QStringList &list, const First &first)

src/plugins/mesonprojectmanager/tooltreeitem.cpp

@@ -8,7 +8,6 @@
 #include <utils/utilsicons.h>
 
 #include <QFileInfo>
-#include <QUuid>
 
 namespace MesonProjectManager {
 namespace Internal {
@@ -16,7 +15,7 @@ namespace Internal {
 ToolTreeItem::ToolTreeItem(const QString &name)
     : m_name{name}
     , m_autoDetected{false}
-    , m_id(Utils::Id::fromString(QUuid::createUuid().toString()))
+    , m_id(Utils::Id::generate())
     , m_unsavedChanges{true}
 {
     self_check();
@@ -37,7 +36,7 @@ ToolTreeItem::ToolTreeItem(const ToolTreeItem &other)
     : m_name{Tr::tr("Clone of %1").arg(other.m_name)}
     , m_executable{other.m_executable}
     , m_autoDetected{false}
-    , m_id{Utils::Id::fromString(QUuid::createUuid().toString())}
+    , m_id{Utils::Id::generate()}
     , m_unsavedChanges{true}
 {
     self_check();

src/plugins/mesonprojectmanager/toolwrapper.cpp

@@ -5,8 +5,6 @@
 
 #include <utils/qtcprocess.h>
 
-#include <QUuid>
-
 namespace MesonProjectManager {
 namespace Internal {
 
@@ -14,7 +12,7 @@ ToolWrapper::ToolWrapper(const QString &name, const Utils::FilePath &path, bool
     : m_version(read_version(path))
     , m_isValid{path.exists() && m_version.isValid}
     , m_autoDetected{autoDetected}
-    , m_id{Utils::Id::fromString(QUuid::createUuid().toString())}
+    , m_id{Utils::Id::generate()}
     , m_exe{path}
     , m_name{name}
 {}
@@ -30,7 +28,7 @@ ToolWrapper::ToolWrapper(const QString &name,
     , m_exe{path}
     , m_name{name}
 {
-    QTC_ASSERT(m_id.isValid(), m_id = Utils::Id::fromString(QUuid::createUuid().toString()));
+    QTC_ASSERT(m_id.isValid(), m_id = Utils::Id::generate());
 }
 
 void ToolWrapper::setExe(const Utils::FilePath &newExe)