QmlProfiler: replace calls to QVector::length() with QVector::size()

Like that we get a higher chance of staying compatible with Qt < 5.2.

Change-Id: Iecd6e1fbf75bd610917a38a22635a0d8e731738f
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

src/plugins/qmlprofiler/abstracttimelinemodel.cpp

@@ -129,7 +129,7 @@ int AbstractTimelineModel::rowHeight(int rowNumber) const
     if (!expanded())
         return DefaultRowHeight;
 
-    if (d->rowOffsets.length() > rowNumber)
+    if (d->rowOffsets.size() > rowNumber)
         return d->rowOffsets[rowNumber] - (rowNumber > 0 ? d->rowOffsets[rowNumber - 1] : 0);
     return DefaultRowHeight;
 }
@@ -142,10 +142,10 @@ int AbstractTimelineModel::rowOffset(int rowNumber) const
     if (!expanded())
         return DefaultRowHeight * rowNumber;
 
-    if (d->rowOffsets.length() >= rowNumber)
+    if (d->rowOffsets.size() >= rowNumber)
         return d->rowOffsets[rowNumber - 1];
     if (!d->rowOffsets.empty())
-        return d->rowOffsets.last() + (rowNumber - 1 - d->rowOffsets.length()) * DefaultRowHeight;
+        return d->rowOffsets.last() + (rowNumber - 1 - d->rowOffsets.size()) * DefaultRowHeight;
     return rowNumber * DefaultRowHeight;
 }
 
@@ -158,12 +158,12 @@ void AbstractTimelineModel::setRowHeight(int rowNumber, int height)
         height = DefaultRowHeight;
 
     int nextOffset = d->rowOffsets.empty() ? 0 : d->rowOffsets.last();
-    while (d->rowOffsets.length() <= rowNumber)
+    while (d->rowOffsets.size() <= rowNumber)
         d->rowOffsets << (nextOffset += DefaultRowHeight);
     int difference = height - d->rowOffsets[rowNumber] +
             (rowNumber > 0 ? d->rowOffsets[rowNumber - 1] : 0);
     if (difference != 0) {
-        for (; rowNumber < d->rowOffsets.length(); ++rowNumber) {
+        for (; rowNumber < d->rowOffsets.size(); ++rowNumber) {
             d->rowOffsets[rowNumber] += difference;
         }
         emit rowHeightChanged();
@@ -177,7 +177,7 @@ int AbstractTimelineModel::height() const
     if (!expanded() || d->rowOffsets.empty())
         return depth * DefaultRowHeight;
 
-    return d->rowOffsets.last() + (depth - d->rowOffsets.length()) * DefaultRowHeight;
+    return d->rowOffsets.last() + (depth - d->rowOffsets.size()) * DefaultRowHeight;
 }
 
 qint64 AbstractTimelineModel::traceStartTime() const

src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.cpp

@@ -148,7 +148,7 @@ void RangeTimelineModel::RangeTimelineModelPrivate::computeNestingContracted()
 
         // per type
         if (nestingEndTimes[nestingLevels] > st) {
-            if (++nestingLevels == nestingEndTimes.length())
+            if (++nestingLevels == nestingEndTimes.size())
                 nestingEndTimes << 0;
             if (nestingLevels == contractedRows)
                 ++contractedRows;
@@ -170,7 +170,7 @@ void RangeTimelineModel::RangeTimelineModelPrivate::computeExpandedLevels()
     for (int i = 0; i < eventCount; i++) {
         int eventId = ranges[i].eventId;
         if (!eventRow.contains(eventId)) {
-            eventRow[eventId] = expandedRowTypes.length();
+            eventRow[eventId] = expandedRowTypes.size();
             expandedRowTypes << eventId;
         }
         ranges[i].displayRowExpanded = eventRow[eventId];
@@ -222,7 +222,7 @@ int RangeTimelineModel::rowCount() const
     if (d->rangeType == QmlDebug::Painting && !d->seenPaintEvent)
         return 0;
     if (d->expanded)
-        return d->expandedRowTypes.length();
+        return d->expandedRowTypes.size();
     else
         return d->contractedRows;
 }
@@ -371,7 +371,7 @@ int RangeTimelineModel::getEventIdForLocation(const QString &filename, int line,
     // if this is called from v8 view, we don't have the column number, it will be -1
     const QVector<QmlProfilerDataModel::QmlEventTypeData> &types =
             d->modelManager->qmlModel()->getEventTypes();
-    for (int i = 0; i < d->expandedRowTypes.length(); ++i) {
+    for (int i = 0; i < d->expandedRowTypes.size(); ++i) {
         int typeId = d->expandedRowTypes[i];
         const QmlProfilerDataModel::QmlEventTypeData &eventData = types[typeId];
         if (eventData.location.filename == filename &&