Index: third_party/WebKit/Source/platform/graphics/paint/DisplayItemClient.h |
diff --git a/third_party/WebKit/Source/platform/graphics/paint/DisplayItemClient.h b/third_party/WebKit/Source/platform/graphics/paint/DisplayItemClient.h |
index 383c57c4a145b599735722ff2a6eaa0c1a3ad277..4d634751f253a56e42f04063a3bcb055e6e9c9d4 100644 |
--- a/third_party/WebKit/Source/platform/graphics/paint/DisplayItemClient.h |
+++ b/third_party/WebKit/Source/platform/graphics/paint/DisplayItemClient.h |
@@ -63,9 +63,15 @@ public: |
// Tests if this DisplayItemClient object has been created and has not been deleted yet. |
bool isAlive() const; |
+ |
// Called when any DisplayItem of this DisplayItemClient is added into PaintController |
// using PaintController::createAndAppend() or into a cached subsequence. |
void beginShouldKeepAlive(const void* owner) const; |
+ |
+ // Called when the DisplayItemClient is sure that it can safely die before its owners |
+ // have chance to remove it from the aliveness control. |
+ void endShouldKeepAlive() const; |
+ |
// Clears all should-keep-alive DisplayItemClients of a PaintController. Called after |
// PaintController commits new display items or the subsequence owner is invalidated. |
static void endShouldKeepAliveAllClients(const void* owner); |