Client side display item cache flag

third_party/WebKit/Source/platform/graphics/GraphicsLayer.h

Index: third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
index 8f52c48c68182703b4b6faf163fe609a7b9dd558..d4f46d0dc3ec97273ff1ba3323535e412162fa8d 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
@@ -269,6 +269,8 @@ public:
     String debugName() const final { return m_client->debugName(this); }
     IntRect visualRect() const override;
 
+    void setCanUseClientCacheStatus(bool);
+
 protected:
     String debugName(cc::Layer*) const;
     bool shouldFlattenTransform() const { return m_shouldFlattenTransform; }
@@ -282,6 +284,8 @@ protected:
     friend class PaintControllerPaintTestBase;
 
 private:
+    DISPLAY_ITEM_CACHE_STATUS_UNCACHEABLE_IMPLEMENTATION
+
     // Returns true if PaintController::paintArtifact() changed and needs commit.
     bool paintWithoutCommit(const IntRect* interestRect, GraphicsContext::DisabledMode = GraphicsContext::NothingDisabled);