1 files changed, 8 insertions, 3 deletions
diff --git a/Source/WebKit2/UIProcess/CoordinatedGraphics/LayerTreeRenderer.h b/Source/WebKit2/UIProcess/CoordinatedGraphics/LayerTreeRenderer.h
index b081c5e16..6f1056aac 100644
--- a/Source/WebKit2/UIProcess/CoordinatedGraphics/LayerTreeRenderer.h
+++ b/Source/WebKit2/UIProcess/CoordinatedGraphics/LayerTreeRenderer.h
@@ -41,6 +41,7 @@
 namespace WebCore {
 class CustomFilterProgram;
 class CustomFilterProgramInfo;
+class TextureMapperLayer;
 }
 
 namespace WebKit {
@@ -138,14 +139,15 @@ private:
     void renderNextFrame();
     void purgeBackingStores();
 
-
     void assignImageBackingToLayer(WebCore::GraphicsLayer*, CoordinatedImageBackingID);
     void removeReleasedImageBackingsIfNeeded();
     void ensureRootLayer();
     void ensureLayer(WebLayerID);
-    void commitTileOperations();
+    void commitPendingBackingStoreOperations();
 
-    PassRefPtr<CoordinatedBackingStore> getBackingStore(WebCore::GraphicsLayer*);
+    CoordinatedBackingStore* getBackingStore(WebCore::GraphicsLayer*);
+    void prepareContentBackingStore(WebCore::GraphicsLayer*);
+    void createBackingStoreIfNeeded(WebCore::GraphicsLayer*);
     void removeBackingStoreIfNeeded(WebCore::GraphicsLayer*);
     void resetBackingStoreSizeToLayerSize(WebCore::GraphicsLayer*);
 
@@ -163,6 +165,9 @@ private:
     ImageBackingMap m_imageBackings;
     Vector<RefPtr<CoordinatedBackingStore> > m_releasedImageBackings;
 
+    typedef HashMap<WebCore::TextureMapperLayer*, RefPtr<CoordinatedBackingStore> > BackingStoreMap;
+    BackingStoreMap m_pendingSyncBackingStores;
+
     HashSet<RefPtr<CoordinatedBackingStore> > m_backingStoresWithPendingBuffers;
 
 #if USE(GRAPHICS_SURFACE)