Remove internal calls to SkImage::getTexture

src/image/SkImage.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkBitmapCache.h"
 #include "SkCanvas.h"
@@ skipping 151 matching lines @@
     }
     return as_IB(this)->onNewSubset(subset);
 }
 
 #if SK_SUPPORT_GPU
 
 GrTexture* SkImage::getTexture() const {
     return as_IB(this)->peekTexture();
 }
 
-bool SkImage::isTextureBacked() const { return SkToBool(as_IB(this)->getTexture()); }
+bool SkImage::isTextureBacked() const { return SkToBool(as_IB(this)->peekTexture()); }
 
 GrBackendObject SkImage::getTextureHandle(bool flushPendingGrContextIO) const {
-    GrTexture* texture = as_IB(this)->getTexture();
+    GrTexture* texture = as_IB(this)->peekTexture();
     if (texture) {
         GrContext* context = texture->getContext();
         if (context) {            
             if (flushPendingGrContextIO) {
                 context->prepareSurfaceForExternalIO(texture);
             }
         }
         return texture->getTextureHandle();
     }
     return 0;
@@ skipping 168 matching lines @@
 
 SkImage* SkImage::NewFromTextureCopy(GrContext*, const GrBackendTextureDesc&, SkAlphaType) {
     return nullptr;
 }
 
 SkImage* SkImage::newTextureImage(GrContext*) const {
     return nullptr;
 }
 
 #endif