Fix return from nullptr to false in GrVkTexture.cpp

src/gpu/vk/GrVkTexture.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrVkTexture.h"
 #include "GrVkGpu.h"
 #include "GrVkImageView.h"
@@ skipping 178 matching lines @@
     imageDesc.fWidth = fDesc.fWidth;
     imageDesc.fHeight = fDesc.fHeight;
     imageDesc.fLevels = mipLevels;
     imageDesc.fSamples = 1;
     imageDesc.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
     imageDesc.fUsageFlags = usageFlags;
     imageDesc.fMemProps = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
 
     GrVkImageInfo info;
     if (!GrVkImage::InitImageInfo(gpu, imageDesc, &info)) {
-        return nullptr;
+        return false;
     }
 
     // have to create a new image view for new resource
     const GrVkImageView* oldView = fTextureView;
     VkImage image = info.fImage;
     const GrVkImageView* textureView = GrVkImageView::Create(gpu, image, info.fFormat,
                                                              GrVkImageView::kColor_Type, mipLevels);
     if (!textureView) {
         GrVkImage::DestroyImageInfo(gpu, &info);
         return false;
     }
 
     oldResource->unref(gpu);
     oldView->unref(gpu);
     if (fLinearTextureView) {
         fLinearTextureView->unref(gpu);
         fLinearTextureView = nullptr;
     }
 
     this->setNewResource(info.fImage, info.fAlloc);
     fTextureView = textureView;
     fInfo = info;
     this->texturePriv().setMaxMipMapLevel(mipLevels);
 
     return true;
 }