Update GrRecordReplaceDraw to use SkTDynamicHash & add ReplaceDraw

src/gpu/GrLayerHoister.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 "GrLayerCache.h"
 #include "GrLayerHoister.h"
 #include "SkCanvas.h"
@@ skipping 117 matching lines @@
     SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
     result->setInfo(info);
     result->setPixelRef(SkNEW_ARGS(SkGrPixelRef, (info, texture)))->unref();
 }
 
 static void convert_layers_to_replacements(const SkTDArray<GrLayerHoister::HoistedLayer>& layers,
                                            GrReplacements* replacements) {
     // TODO: just replace GrReplacements::ReplacementInfo with GrCachedLayer?
     for (int i = 0; i < layers.count(); ++i) {
         GrCachedLayer* layer = layers[i].fLayer;
+        const SkPicture* picture = layers[i].fPicture;
 
-        GrReplacements::ReplacementInfo* layerInfo = replacements->push();
-        layerInfo->fStart = layer->start();
+        GrReplacements::ReplacementInfo* layerInfo =
+                    replacements->newReplacement(picture->uniqueID(),
+                                                 layer->start(),
+                                                 layers[i].fCTM);
         layerInfo->fStop = layer->stop();
         layerInfo->fPos = layers[i].fOffset;
 
         SkBitmap bm;
         wrap_texture(layers[i].fLayer->texture(),
                      !layers[i].fLayer->isAtlased() ? layers[i].fLayer->rect().width()
                                                     : layers[i].fLayer->texture()->width(),
                      !layers[i].fLayer->isAtlased() ? layers[i].fLayer->rect().height()
                                                     : layers[i].fLayer->texture()->height(),
                      &bm);
@@ skipping 140 matching lines @@
     }
 
 #if DISABLE_CACHING
     // This code completely clears out the atlas. It is required when
     // caching is disabled so the atlas doesn't fill up and force more
     // free floating layers
     layerCache->purgeAll();
 #endif
 }