Remove Picture deletion listeners.

src/gpu/GrLayerCache.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrAtlas.h"
 #include "GrGpu.h"
 #include "GrLayerCache.h"
 #include "GrSurfacePriv.h"
 
-DECLARE_SKMESSAGEBUS_MESSAGE(GrPictureDeletedMessage);
-
 #ifdef SK_DEBUG
 void GrCachedLayer::validate(const GrTexture* backingTexture) const {
     SkASSERT(SK_InvalidGenID != fKey.pictureID());
     SkASSERT(fKey.start() >= 0);
 
     if (fTexture) {
         // If the layer is in some texture then it must occupy some rectangle
         SkASSERT(!fRect.isEmpty());
         if (!this->isAtlased()) {
             // If it isn't atlased then the rectangle should start at the origin
@@ skipping 424 matching lines @@
 
         this->purgePlot(plot);
     }
 
     SkASSERT(0 == fPictureHash.count());
 
     fContext->discardRenderTarget(fAtlas->getTexture()->asRenderTarget());
 }
 #endif
 
-class GrPictureDeletionListener : public SkPicture::DeletionListener {
-    virtual void onDeletion(uint32_t pictureID) SK_OVERRIDE{
-        const GrPictureDeletedMessage message = { pictureID };
-        SkMessageBus<GrPictureDeletedMessage>::Post(message);
-    }
-};
-
-void GrLayerCache::trackPicture(const SkPicture* picture) {
-    if (NULL == fDeletionListener) {
-        fDeletionListener.reset(SkNEW(GrPictureDeletionListener));
-    }
-
-    picture->addDeletionListener(fDeletionListener);
-}
-
 void GrLayerCache::processDeletedPictures() {
-    SkTDArray<GrPictureDeletedMessage> deletedPictures;
+    SkTDArray<SkPicture::DeletionMessage> deletedPictures;
     fPictDeletionInbox.poll(&deletedPictures);
 
     for (int i = 0; i < deletedPictures.count(); i++) {
-        this->purge(deletedPictures[i].pictureID);
+        this->purge(deletedPictures[i].uniqueID);
     }
 }
 
 #ifdef SK_DEVELOPER
 void GrLayerCache::writeLayersToDisk(const SkString& dirName) {
 
     if (fAtlas) {
         GrTexture* atlasTexture = fAtlas->getTexture();
         if (NULL != atlasTexture) {
             SkString fileName(dirName);
@@ skipping 11 matching lines @@
             continue;
         }
 
         SkString fileName(dirName);
         fileName.appendf("\\%d-%d.png", layer->fKey.pictureID(), layer->fKey.start());
 
         layer->texture()->surfacePriv().savePixels(fileName.c_str());
     }
 }
 #endif