Remove use of MakeRenderTargetDirect from view system

samplecode/SampleApp.h

 /*
  * Copyright 2011 Skia
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SampleApp_DEFINED
 #define SampleApp_DEFINED
 
@@ skipping 56 matching lines @@
     class DeviceManager : public SkRefCnt {
     public:
 
 
         virtual void setUpBackend(SampleWindow* win, int msaaSampleCount, bool deepColor) = 0;
 
         virtual void tearDownBackend(SampleWindow* win) = 0;
 
         // called before drawing. should install correct device
         // type on the canvas. Will skip drawing if returns false.
-        virtual SkSurface* createSurface(DeviceType dType, SampleWindow* win) = 0;
+        virtual sk_sp<SkSurface> makeSurface(DeviceType dType, SampleWindow* win) = 0;
 
         // called after drawing, should get the results onto the
         // screen.
         virtual void publishCanvas(DeviceType dType,
                                    SkCanvas* canvas,
                                    SampleWindow* win) = 0;
 
         // called when window changes size, guaranteed to be called
         // at least once before first draw (after init)
         virtual void windowSizeChanged(SampleWindow* win) = 0;
 
         // return the GrContext backing gpu devices (nullptr if not built with GPU support)
         virtual GrContext* getGrContext() = 0;
 
         // return the GrRenderTarget backing gpu devices (nullptr if not built with GPU support)
-        virtual GrRenderTarget* getGrRenderTarget() = 0;
+        virtual int numColorSamples() const = 0;
 
         // return the color depth of the output device
         virtual int getColorBits() = 0;
 
     private:
         typedef SkRefCnt INHERITED;
     };
 
     SampleWindow(void* hwnd, int argc, char** argv, DeviceManager*);
     virtual ~SampleWindow();
 
-    SkSurface* createSurface() override {
-        SkSurface* surface = nullptr;
+    sk_sp<SkSurface> makeSurface() override {
+        sk_sp<SkSurface> surface;
         if (fDevManager) {
-            surface = fDevManager->createSurface(fDeviceType, this);
+            surface = fDevManager->makeSurface(fDeviceType, this);
         }
-        if (nullptr == surface) {
-            surface = this->INHERITED::createSurface();
+        if (!surface) {
+            surface = this->INHERITED::makeSurface();
         }
         return surface;
     }
 
     void draw(SkCanvas*) override;
 
     void setDeviceType(DeviceType type);
     void setDeviceColorType(SkColorType, sk_sp<SkColorSpace>);
     void toggleRendering();
     void toggleSlideshow();
@@ skipping 111 matching lines @@
     void postAnimatingEvent();
     int findByTitle(const char*);
     void listTitles();
     SkSize tileSize() const;
     bool sendAnimatePulse();
 
     typedef SkOSWindow INHERITED;
 };
 
 #endif