Reland of [2] of "switch colorfilters to sk_sp (patchset #11 id:200001 of https://codereview.chromium.o…

gm/colorcube.cpp

Index: gm/colorcube.cpp
diff --git a/gm/colorcube.cpp b/gm/colorcube.cpp
index 01aaf156107968e1220681f6331317ae5ae95a04..54e0688c6ab279f0d55fc856e0bc5de25804bb91 100644
--- a/gm/colorcube.cpp
+++ b/gm/colorcube.cpp
@@ -25,27 +25,12 @@
 
 class ColorCubeGM : public GM {
 public:
-    ColorCubeGM()
-    : fInitialized(false)
-    , f3DLut4(nullptr)
-    , f3DLut8(nullptr)
-    , f3DLut16(nullptr)
-    , f3DLut32(nullptr)
-    , f3DLut64(nullptr)
-    {
+    ColorCubeGM() : fInitialized(false) {
         this->setBGColor(0xFF000000);
     }
 
-    ~ColorCubeGM() {
-        SkSafeUnref(f3DLut4);
-        SkSafeUnref(f3DLut8);
-        SkSafeUnref(f3DLut16);
-        SkSafeUnref(f3DLut32);
-        SkSafeUnref(f3DLut64);
-    }
-
 protected:
-    virtual SkString onShortName() {
+    SkString onShortName() override {
         return SkString("colorcube");
     }
 
@@ -67,8 +52,8 @@
         canvas.drawRect(SkRect::MakeWH(80, 80), paint);
     }
 
-    void make_3Dlut(SkData** data, int size, bool invR, bool invG, bool invB) {
-        *data = SkData::NewUninitialized(sizeof(SkColor) * size * size * size);
+    void make_3Dlut(sk_sp<SkData>* data, int size, bool invR, bool invG, bool invB) {
+        *data = SkData::MakeUninitialized(sizeof(SkColor) * size * size * size);
         SkColor* pixels = (SkColor*)((*data)->writable_data());
         SkAutoTMalloc<uint8_t> lutMemory(size);
         SkAutoTMalloc<uint8_t> invLutMemory(size);
@@ -92,11 +77,11 @@
         }
     }
 
-    virtual SkISize onISize() {
+    SkISize onISize() override {
         return SkISize::Make(500, 100);
     }
 
-    virtual void onDraw(SkCanvas* canvas) {
+    void onDraw(SkCanvas* canvas) override {
         if (!fInitialized) {
             this->make_bitmap();
             this->make_3Dluts();
@@ -104,19 +89,19 @@
         }
         canvas->clear(0x00000000);
         SkPaint paint;
-        paint.setColorFilter(SkColorCubeFilter::Create(f3DLut4, 4))->unref();
+        paint.setColorFilter(SkColorCubeFilter::Make(f3DLut4, 4));
         canvas->drawBitmap(fBitmap, 10, 10, &paint);
 
-        paint.setColorFilter(SkColorCubeFilter::Create(f3DLut8, 8))->unref();
+        paint.setColorFilter(SkColorCubeFilter::Make(f3DLut8, 8));
         canvas->drawBitmap(fBitmap, 110, 10, &paint);
 
-        paint.setColorFilter(SkColorCubeFilter::Create(f3DLut16, 16))->unref();
+        paint.setColorFilter(SkColorCubeFilter::Make(f3DLut16, 16));
         canvas->drawBitmap(fBitmap, 210, 10, &paint);
 
-        paint.setColorFilter(SkColorCubeFilter::Create(f3DLut32, 32))->unref();
+        paint.setColorFilter(SkColorCubeFilter::Make(f3DLut32, 32));
         canvas->drawBitmap(fBitmap, 310, 10, &paint);
 
-        paint.setColorFilter(SkColorCubeFilter::Create(f3DLut64, 64))->unref();
+        paint.setColorFilter(SkColorCubeFilter::Make(f3DLut64, 64));
         canvas->drawBitmap(fBitmap, 410, 10, &paint);
     }
 
@@ -124,11 +109,11 @@
     typedef GM INHERITED;
     bool fInitialized;
     SkBitmap fBitmap;
-    SkData* f3DLut4;
-    SkData* f3DLut8;
-    SkData* f3DLut16;
-    SkData* f3DLut32;
-    SkData* f3DLut64;
+    sk_sp<SkData> f3DLut4;
+    sk_sp<SkData> f3DLut8;
+    sk_sp<SkData> f3DLut16;
+    sk_sp<SkData> f3DLut32;
+    sk_sp<SkData> f3DLut64;
 };
 
 //////////////////////////////////////////////////////////////////////////////