Remove VisualBench and its Android implementation.

tools/VisualBench/TimingStateMachine.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 TimingStateMachine_DEFINED
-#define TimingStateMachine_DEFINED
-
-#include "Benchmark.h"
-#include "SkTArray.h"
-#include "Timer.h"
-
-class SkCanvas;
-
-/*
- * Manages a timer via a state machine.  Can be used by modules to time benchmarks
- *
- * Clients call nextFrame, and must handle any requests from the timing state machine, specifically
- * to reset.  When kTimingFinished_ParentEvents is returned, then lastMeasurement() will return the
- * timing and loops() will return the number of loops used to time.
- *
- * A client may continue timing the same benchmark indefinitely.  To advance to the next
- * benchmark, the client should call nextBenchmark.
- */
-class TimingStateMachine {
-public:
-    TimingStateMachine();
-
-    enum ParentEvents {
-        kReset_ParentEvents,
-        kTiming_ParentEvents,
-        kTimingFinished_ParentEvents,// This implies parent can read lastMeasurement() and must
-                                     // reset
-    };
-
-    ParentEvents nextFrame(bool preWarmBetweenSamples);
-
-    /*
-     * The caller should call this when they are ready to move to the next benchmark.
-     */
-    void nextBenchmark();
-
-    /*
-     * When TimingStateMachine returns kTimingFinished_ParentEvents, then the owner can call
-     * lastMeasurement() to get the time
-     */
-    double lastMeasurement() const { return fLastMeasurement; }
-
-    int loops() const { return fLoops; }
-
-private:
-    enum State {
-        kPreWarm_State,
-        kTiming_State,
-    };
-    enum InnerState {
-        kTuning_InnerState,
-        kTiming_InnerState,
-    };
-
-    int fCurrentFrame;
-    int fLoops;
-    double fLastMeasurement;
-    double fStartTime;
-    State fState;
-    InnerState fInnerState;
-};
-
-#endif