Revert of 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
new file mode 100644
index 0000000000000000000000000000000000000000..e472a4c51447d380b71d7f57d763a293de951cc9
--- /dev/null
+++ b/bench/BenchGpuTimer_gl.h
@@ -0,0 +1,26 @@
+
+/*
+ * 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