Change to add zoom animations to nanobench

bench/SKPAnimationBench.h

Index: bench/SKPAnimationBench.h
diff --git a/bench/SKPAnimationBench.h b/bench/SKPAnimationBench.h
new file mode 100644
index 0000000000000000000000000000000000000000..c42eccc296bd67b29552732c217cd9b05905b483
--- /dev/null
+++ b/bench/SKPAnimationBench.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SKPAnimationBench_DEFINED
+#define SKPAnimationBench_DEFINED
+
+#include "SKPBench.h"
+
+/**
+ * Runs an SkPicture as a benchmark by repeatedly drawing it, first centering the picture and
+ * for each step it concats the passed in matrix
+ */
+class SKPAnimationBench : public SKPBench {
+public:
+    SKPAnimationBench(const char* name, const SkPicture*, const SkIRect& devClip,
+                      SkMatrix viewMatrix, int steps);

[bsalomon, 2015/04/27 14:31:43]

I'd call this "animationMatrix" rather than "viewMatrix"

+
+protected:
+    const char* onGetName() override;
+    const char* onGetUniqueName() override;
+    void onPerCanvasPreDraw(SkCanvas* canvas) override;
+
+    void drawPicture() override;
+
+private:
+    int fSteps;
+    SkMatrix fViewMatrix;
+    SkString fName;
+    SkString fUniqueName;
+    SkPoint fCenter;
+
+    typedef SKPBench INHERITED;
+};
+
+#endif