Move BenchTimer to tools as Timer

bench/BenchGpuTimer_gl.h

Index: bench/BenchGpuTimer_gl.h
diff --git a/bench/BenchGpuTimer_gl.h b/bench/BenchGpuTimer_gl.h
deleted file mode 100644
index e472a4c51447d380b71d7f57d763a293de951cc9..0000000000000000000000000000000000000000
--- a/bench/BenchGpuTimer_gl.h
+++ /dev/null
@@ -1,26 +0,0 @@
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#ifndef SkBenchGpuTimer_DEFINED
-#define SkBenchGpuTimer_DEFINED
-
-class SkGLContextHelper;
-
-class BenchGpuTimer {
-public:
-    BenchGpuTimer(const SkGLContextHelper* glctx);
-    ~BenchGpuTimer();
-    void startGpu();
-    double endGpu();
-private:
-    unsigned fQuery;
-    int fStarted;
-    const SkGLContextHelper* fContext;
-    bool fSupported;
-};
-
-#endif