Add deferred texture upload API.

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 325 matching lines @@
 }
 
 bool SkImage::isLazyGenerated() const {
     return as_IB(this)->onIsLazyGenerated();
 }
 
 //////////////////////////////////////////////////////////////////////////////////////
 
 #if !SK_SUPPORT_GPU
 
+size_t SkImage::getDeferredTextureImageSize(const GrContextThreadSafeProxy&,
+                                            const DeferredTextureImageUsageParams[],
+                                            int paramCnt) const {
+    return 0;
+}
+
+const SkImage::DeferredTextureImage* createDeferredTextureImageInClientStorage(
+                                                        const GrContextThreadSafeProxy&,
+                                                        const DeferredTextureImageUsageParams[],
+                                                        int paramCnt,
+                                                        void* imageTextureDataBuffer,
+                                                        size_t imageTextureDataBufferSize) const {
+    return nullptr;
+}
+
+SkImage* SkImage::NewFromDeferredTextureImage(GrContext* context, const DeferredTextureImage&,
+                                              SkBudgeted) {
+    return nullptr;
+}
+
 SkImage* SkImage::NewFromTexture(GrContext*, const GrBackendTextureDesc&, SkAlphaType,
                                  TextureReleaseProc, ReleaseContext) {
     return nullptr;
 }
 
 SkImage* SkImage::NewFromAdoptedTexture(GrContext*, const GrBackendTextureDesc&, SkAlphaType) {
     return nullptr;
 }
 
 SkImage* SkImage::NewFromTextureCopy(GrContext*, const GrBackendTextureDesc&, SkAlphaType) {
     return nullptr;
 }
 
 SkImage* SkImage::newTextureImage(GrContext*) const {
     return nullptr;
 }
 
 #endif