Migrate WTF::HashMap::add() to ::insert()

third_party/WebKit/Source/platform/graphics/paint/RasterInvalidationTracking.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef RasterInvalidationTracking_h
 #define RasterInvalidationTracking_h
 
 #include "platform/geometry/IntRect.h"
 #include "platform/geometry/Region.h"
 #include "platform/graphics/PaintInvalidationReason.h"
@@ skipping 51 matching lines @@
       it->value.asJSON(json);
   }
 
   void remove(TargetClass* key) {
     auto it = m_invalidationTrackingMap.find(key);
     if (it != m_invalidationTrackingMap.end())
       m_invalidationTrackingMap.remove(it);
   }
 
   RasterInvalidationTracking& add(TargetClass* key) {
-    return m_invalidationTrackingMap.add(key, RasterInvalidationTracking())
+    return m_invalidationTrackingMap.insert(key, RasterInvalidationTracking())
         .storedValue->value;
   }
 
   RasterInvalidationTracking* find(TargetClass* key) {
     auto it = m_invalidationTrackingMap.find(key);
     if (it == m_invalidationTrackingMap.end())
       return nullptr;
     return &it->value;
   }
 
  private:
   typedef HashMap<TargetClass*, RasterInvalidationTracking>
       InvalidationTrackingMap;
   InvalidationTrackingMap m_invalidationTrackingMap;
 };
 
 }  // namespace blink
 
 #endif  // RasterInvalidationTracking_h