Fix bug in layer hoisting transition to SkRecord backend

src/gpu/GrLayerCache.cpp

Index: src/gpu/GrLayerCache.cpp
diff --git a/src/gpu/GrLayerCache.cpp b/src/gpu/GrLayerCache.cpp
index 0c2e6b0a4daf28585de251bc796320b86f1b55c0..8e61cb761edec788d33953100fb3fcf0d6f1846a 100644
--- a/src/gpu/GrLayerCache.cpp
+++ b/src/gpu/GrLayerCache.cpp
@@ -119,28 +119,31 @@ void GrLayerCache::freeAll() {
 
 GrCachedLayer* GrLayerCache::createLayer(uint32_t pictureID, 
                                          int start, int stop, 
+                                         const SkIPoint& offset,
                                          const SkMatrix& ctm) {
     SkASSERT(pictureID != SK_InvalidGenID && start > 0 && stop > 0);
 
-    GrCachedLayer* layer = SkNEW_ARGS(GrCachedLayer, (pictureID, start, stop, ctm));
+    GrCachedLayer* layer = SkNEW_ARGS(GrCachedLayer, (pictureID, start, stop, offset, ctm));
     fLayerHash.add(layer);
     return layer;
 }
 
 GrCachedLayer* GrLayerCache::findLayer(uint32_t pictureID,
                                        int start, int stop, 
+                                       const SkIPoint& offset,
                                        const SkMatrix& ctm) {
     SkASSERT(pictureID != SK_InvalidGenID && start > 0 && stop > 0);
-    return fLayerHash.find(GrCachedLayer::Key(pictureID, start, stop, ctm));
+    return fLayerHash.find(GrCachedLayer::Key(pictureID, start, stop, offset, ctm));
 }
 
 GrCachedLayer* GrLayerCache::findLayerOrCreate(uint32_t pictureID,
                                                int start, int stop,
+                                               const SkIPoint& offset,
                                                const SkMatrix& ctm) {
     SkASSERT(pictureID != SK_InvalidGenID && start > 0 && stop > 0);
-    GrCachedLayer* layer = fLayerHash.find(GrCachedLayer::Key(pictureID, start, stop, ctm));
+    GrCachedLayer* layer = fLayerHash.find(GrCachedLayer::Key(pictureID, start, stop, offset, ctm));
     if (NULL == layer) {
-        layer = this->createLayer(pictureID, start, stop, ctm);
+        layer = this->createLayer(pictureID, start, stop, offset, ctm);
     }
 
     return layer;