Change call-sites now that SkCanvas is not ref-counted

content/renderer/pepper/ppb_image_data_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 131 matching lines @@
   SkBitmap GetMappedBitmap() const override;
 
  private:
   // This will be NULL before initialization, and if this PPB_ImageData_Impl is
   // swapped with another.
   int width_;
   int height_;
   std::unique_ptr<TransportDIB> dib_;
 
   // When the device is mapped, this is the image. Null when umapped.
-  sk_sp<SkCanvas> mapped_canvas_;
+  std::unique_ptr<SkCanvas> mapped_canvas_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageDataPlatformBackend);
 };
 
 class ImageDataSimpleBackend : public PPB_ImageData_Impl::Backend {
  public:
   ImageDataSimpleBackend();
   ~ImageDataSimpleBackend() override;
 
   // PPB_ImageData_Impl::Backend implementation.
   bool Init(PPB_ImageData_Impl* impl,
             PP_ImageDataFormat format,
             int width,
             int height,
             bool init_to_zero) override;
   bool IsMapped() const override;
   TransportDIB* GetTransportDIB() const override;
   void* Map() override;
   void Unmap() override;
   int32_t GetSharedMemory(base::SharedMemory** shm,
                           uint32_t* byte_count) override;
   SkCanvas* GetPlatformCanvas() override;
   SkCanvas* GetCanvas() override;
   SkBitmap GetMappedBitmap() const override;
 
  private:
   std::unique_ptr<base::SharedMemory> shared_memory_;
   // skia_bitmap_ is backed by shared_memory_.
   SkBitmap skia_bitmap_;
-  sk_sp<SkCanvas> skia_canvas_;
+  std::unique_ptr<SkCanvas> skia_canvas_;
   uint32_t map_count_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageDataSimpleBackend);
 };
 
 // Manages mapping an image resource if necessary. Use this to ensure the
 // image is mapped. The destructor will put the image back into the previous
 // state. You must check is_valid() to make sure the image was successfully
 // mapped before using it.
 //
@@ skipping 27 matching lines @@
   PPB_ImageData_Impl* image_data_;
   bool is_valid_;
   bool needs_unmap_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageDataAutoMapper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_