Fix member variable naming

src/core/SkMultiPictureDraw.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.
  */
 
 #if SK_SUPPORT_GPU
 #include "GrLayerHoister.h"
 #include "GrRecordReplaceDraw.h"
@@ skipping 96 matching lines @@
     SkASSERT(context);
 
     // Start by collecting all the layers that are going to be atlased and render
     // them (if necessary). Hoisting the free floating layers is deferred until
     // drawing the canvas that requires them.
     SkTDArray<GrHoistedLayer> atlasedNeedRendering, atlasedRecycled;
 
     for (int i = 0; i < count; ++i) {
         const DrawData& data = fGPUDrawData[i];
         // we only expect 1 context for all the canvases
-        SkASSERT(data.canvas->getGrContext() == context);
+        SkASSERT(data.fCanvas->getGrContext() == context);
 
         if (!data.fPaint && data.fMatrix.isIdentity()) {
             // TODO: this path always tries to optimize pictures. Should we
             // switch to this API approach (vs. SkCanvas::EXPERIMENTAL_optimize)?
             data.fCanvas->EXPERIMENTAL_optimize(data.fPicture);
 
             SkRect clipBounds;
             if (!data.fCanvas->getClipBounds(&clipBounds)) {
                 continue;
             }
@@ skipping 57 matching lines @@
 
 #ifndef SK_IGNORE_GPU_LAYER_HOISTING
     GrLayerHoister::UnlockLayers(context, atlasedNeedRendering);
     GrLayerHoister::UnlockLayers(context, atlasedRecycled);
 #if !GR_CACHE_HOISTED_LAYERS
     GrLayerHoister::PurgeCache(context);
 #endif
 #endif
 }