TaskTree: Prepare for de-utils-ization - part 2

Move TaskTree into Tasking namespace.
Move Tasking namespace out of Utils namespace.

Change-Id: Ib4c1d7f54f1808517e54768dfa27209c33517b61
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: hjk <hjk@qt.io>

src/plugins/git/branchmodel.cpp

@@ -20,6 +20,7 @@
 
 #include <set>
 
+using namespace Tasking;
 using namespace Utils;
 using namespace VcsBase;
 
@@ -413,7 +414,6 @@ void BranchModel::refresh(const FilePath &workingDirectory, ShowError showError)
         return;
     }
 
-    using namespace Tasking;
     const ProcessTask topRevisionProc =
         d->client->topRevision(workingDirectory,
                                [=](const QString &ref, const QDateTime &dateTime) {

src/plugins/git/branchview.cpp

@@ -37,6 +37,7 @@
 #include <QVBoxLayout>
 
 using namespace Core;
+using namespace Tasking;
 using namespace Utils;
 using namespace VcsBase;
 
@@ -527,8 +528,6 @@ bool BranchView::reset(const QByteArray &resetType)
 
 TaskTree *BranchView::onFastForwardMerge(const std::function<void()> &callback)
 {
-    using namespace Tasking;
-
     const QModelIndex selected = selectedIndex();
     QTC_CHECK(selected != m_model->currentBranch());
 

src/plugins/git/branchview.h

@@ -17,10 +17,11 @@ class QToolButton;
 class QTreeView;
 QT_END_NAMESPACE;
 
+namespace Tasking { class TaskTree; }
+
 namespace Utils {
 class ElidingLabel;
 class NavigationTreeView;
-class TaskTree;
 } // Utils
 
 namespace Git::Internal {
@@ -55,7 +56,7 @@ private:
     bool remove();
     bool rename();
     bool reset(const QByteArray &resetType);
-    Utils::TaskTree *onFastForwardMerge(const std::function<void()> &callback);
+    Tasking::TaskTree *onFastForwardMerge(const std::function<void()> &callback);
     bool merge(bool allowFastForward);
     void rebase();
     bool cherryPick();

src/plugins/git/gitclient.cpp

@@ -76,6 +76,7 @@ const char showFormatC[] =
 
 using namespace Core;
 using namespace DiffEditor;
+using namespace Tasking;
 using namespace Utils;
 using namespace VcsBase;
 
@@ -1730,12 +1731,9 @@ bool GitClient::synchronousRevParseCmd(const FilePath &workingDirectory, const Q
 }
 
 // Retrieve head revision
-Utils::Tasking::ProcessTask GitClient::topRevision(
-    const FilePath &workingDirectory,
+ProcessTask GitClient::topRevision(const FilePath &workingDirectory,
     const std::function<void(const QString &, const QDateTime &)> &callback)
 {
-    using namespace Tasking;
-
     const auto setupProcess = [=](Process &process) {
         setupCommand(process, workingDirectory, {"show", "-s", "--pretty=format:%H:%ct", HEAD});
     };

src/plugins/git/gitclient.h

@@ -242,8 +242,7 @@ public:
     QString synchronousTopic(const Utils::FilePath &workingDirectory) const;
     bool synchronousRevParseCmd(const Utils::FilePath &workingDirectory, const QString &ref,
                                 QString *output, QString *errorMessage = nullptr) const;
-    Utils::Tasking::ProcessTask topRevision(
-        const Utils::FilePath &workingDirectory,
+    Tasking::ProcessTask topRevision(const Utils::FilePath &workingDirectory,
         const std::function<void(const QString &, const QDateTime &)> &callback);
     bool isRemoteCommit(const Utils::FilePath &workingDirectory, const QString &commit);