Remove VisualBench and its Android implementation.

tools/VisualBench/VisualBench.h

-/*
- * 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 VisualBench_DEFINED
-#define VisualBench_DEFINED
-
-#include "SkWindow.h"
-
-#include "SkPicture.h"
-#include "SkString.h"
-#include "SkSurface.h"
-#include "VisualFlags.h"
-#include "VisualModule.h"
-#include "gl/GLTestContext.h"
-
-class GrContext;
-struct GrGLInterface;
-class GrRenderTarget;
-class SkCanvas;
-
-/*
- * A Visual benchmarking tool for gpu benchmarking
- */
-class VisualBench : public SkOSWindow {
-public:
-    VisualBench(void* hwnd, int argc, char** argv);
-    ~VisualBench() override;
-
-    void reset() { this->resetContext(); }
-
-    void clear(SkCanvas* canvas, SkColor color, int frames);
-
-protected:
-    SkSurface* createSurface() override;
-
-    void draw(SkCanvas* canvas) override;
-
-    void onSizeChange() override;
-
-private:
-    void setTitle();
-    bool setupBackend();
-    void resetContext();
-    void setupRenderTarget();
-    bool onHandleChar(SkUnichar unichar) override;
-    void tearDownContext();
-    void setupContext();
-
-    // support framework
-    SkAutoTDelete<VisualModule> fModule;
-    SkAutoTUnref<SkSurface> fSurface;
-    SkAutoTUnref<GrContext> fContext;
-    SkAutoTUnref<GrRenderTarget> fRenderTarget;
-    AttachmentInfo fAttachmentInfo;
-    SkAutoTUnref<const GrGLInterface> fInterface;
-
-    typedef SkOSWindow INHERITED;
-};
-
-#endif