Check rect under-invalidations

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

 // Copyright 2014 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 PaintController_h
 #define PaintController_h
 
 #include "platform/PlatformExport.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/geometry/LayoutPoint.h"
 #include "platform/graphics/ContiguousContainer.h"
 #include "platform/graphics/paint/DisplayItem.h"
 #include "platform/graphics/paint/DisplayItemList.h"
 #include "platform/graphics/paint/PaintArtifact.h"
 #include "platform/graphics/paint/PaintChunk.h"
 #include "platform/graphics/paint/PaintChunker.h"
 #include "platform/graphics/paint/Transform3DDisplayItem.h"
 #include "wtf/Alignment.h"
 #include "wtf/Assertions.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 #include <utility>
 
+class SkPicture;
+
 namespace blink {
 
 class GraphicsContext;
 
 static const size_t kInitialDisplayItemListCapacityBytes = 512;
 
 // Responsible for processing display items as they are produced, and producing
 // a final paint artifact when complete. This class includes logic for caching,
 // cache invalidation, and merging.
 class PLATFORM_EXPORT PaintController {
@@ skipping 95 matching lines @@
 
     bool textPainted() const { return m_textPainted; }
     void setTextPainted() { m_textPainted = true; }
     bool imagePainted() const { return m_imagePainted; }
     void setImagePainted() { m_imagePainted = true; }
 
     // Returns displayItemList added using createAndAppend() since beginning or
     // the last commitNewDisplayItems(). Use with care.
     DisplayItemList& newDisplayItemList() { return m_newDisplayItemList; }
 
+    void appendDebugDrawingAfterCommit(const DisplayItemClient&, PassRefPtr<SkPicture>, const LayoutSize& offsetFromLayoutObject);
+
 #ifndef NDEBUG
     void showDebugData() const;
 #endif
 
     // This is called only if we are tracking paint invalidation for testing, or DCHECK_IS_ON()
     // for error checking and debugging.
     void displayItemClientWasInvalidated(const DisplayItemClient&);
 
 #if DCHECK_IS_ON()
     bool hasInvalidations() { return !m_invalidations.isEmpty(); }
@@ skipping 82 matching lines @@
     // easily find where the duplicated ids are from.
     DisplayItemIndicesByClientMap m_newDisplayItemIndicesByClient;
 #endif
 
     DisplayItemCacheGeneration m_currentCacheGeneration;
 };
 
 } // namespace blink
 
 #endif // PaintController_h