remove SkDeferredCanvas

bench/DeferredSurfaceCopyBench.cpp

Index: bench/DeferredSurfaceCopyBench.cpp
diff --git a/bench/DeferredSurfaceCopyBench.cpp b/bench/DeferredSurfaceCopyBench.cpp
deleted file mode 100644
index 3644627d31576e122bcf3c06622d79a6b71d0c74..0000000000000000000000000000000000000000
--- a/bench/DeferredSurfaceCopyBench.cpp
+++ /dev/null
@@ -1,74 +0,0 @@
-
-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "Benchmark.h"
-#include "SkDeferredCanvas.h"
-#include "SkDevice.h"
-#include "SkImage.h"
-#include "SkSurface.h"
-#if SK_SUPPORT_GPU
-#include "GrRenderTarget.h"
-#endif
-
-class DeferredSurfaceCopyBench : public Benchmark {
-    enum {
-        kSurfaceWidth = 1000,
-        kSurfaceHeight = 1000,
-    };
-public:
-    DeferredSurfaceCopyBench(bool discardableContents) {
-        fDiscardableContents = discardableContents;
-    }
-
-protected:
-    const char* onGetName() override {
-        return fDiscardableContents ? "DeferredSurfaceCopy_discardable" :
-            "DeferredSurfaceCopy_nonDiscardable";
-    }
-
-    void onDraw(const int loops, SkCanvas* canvas) override {
-        // The canvas is not actually used for this test except to provide
-        // configuration information: gpu, multisampling, size, etc?
-        SkImageInfo info = SkImageInfo::MakeN32Premul(kSurfaceWidth, kSurfaceHeight);
-        const SkRect fullCanvasRect = SkRect::MakeWH(
-            SkIntToScalar(kSurfaceWidth), SkIntToScalar(kSurfaceHeight));
-        SkAutoTUnref<SkSurface> surface(canvas->newSurface(info));
-
-        // newSurface() can return NULL for several reasons, so we need to check
-        if (NULL == surface.get()) {
-            SkDebugf("DeferredSurfaceCopyBench newSurface failed, bench results are meaningless\n");
-            return; // should we signal the caller that we hit an error?
-        }
-
-        SkAutoTUnref<SkDeferredCanvas> drawingCanvas(SkDeferredCanvas::Create(surface));
-
-        for (int iteration = 0; iteration < loops; iteration++) {
-            drawingCanvas->clear(0);
-            SkAutoTUnref<SkImage> image(drawingCanvas->newImageSnapshot());
-            SkPaint paint;
-            if (!fDiscardableContents) {
-                // If paint is not opaque, prior canvas contents are
-                // not discardable because they are needed for compositing.
-                paint.setAlpha(127);
-            }
-            drawingCanvas->drawRect(fullCanvasRect, paint);
-            // Trigger copy on write, which should be faster in the discardable case.
-            drawingCanvas->flush();
-        }
-    }
-
-private:
-    bool fDiscardableContents;
-
-    typedef Benchmark INHERITED;
-};
-
-//////////////////////////////////////////////////////////////////////////////
-
-DEF_BENCH( return new DeferredSurfaceCopyBench(false); )
-DEF_BENCH( return new DeferredSurfaceCopyBench(true); )