client-goodbye

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"
 #include "platform/graphics/paint/PaintRecord.h"
 #include "platform/json/JSONValues.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "wtf/Allocator.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
-class DisplayItemClient;
-
 struct RasterInvalidationInfo {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
-  // This is for comparison only. Don't dereference because the client may have
-  // died.
-  const DisplayItemClient* client;
+  // This is for comparison only. Don't dereference, the source may be gone.
+  const void* source;
   String clientDebugName;
   IntRect rect;
   PaintInvalidationReason reason;
   RasterInvalidationInfo() : reason(PaintInvalidationFull) {}
 };
 
 inline bool operator==(const RasterInvalidationInfo& a,
                        const RasterInvalidationInfo& b) {
   return a.rect == b.rect;
 }
@@ skipping 46 matching lines @@
 
  private:
   typedef HashMap<TargetClass*, RasterInvalidationTracking>
       InvalidationTrackingMap;
   InvalidationTrackingMap m_invalidationTrackingMap;
 };
 
 }  // namespace blink
 
 #endif  // RasterInvalidationTracking_h