DM: also run benches once.

dm/DMBenchTask.h

Index: dm/DMBenchTask.h
diff --git a/dm/DMBenchTask.h b/dm/DMBenchTask.h
new file mode 100644
index 0000000000000000000000000000000000000000..1e9bc9912ef7175a3db35c870095d27465946da4
--- /dev/null
+++ b/dm/DMBenchTask.h
@@ -0,0 +1,67 @@
+#ifndef DMBenchTask_DEFINED
+#define DMBenchTask_DEFINED
+
+#include "DMReporter.h"
+#include "DMTask.h"
+#include "DMTaskRunner.h"
+#include "SkBenchmark.h"
+#include "SkString.h"
+#include "SkTemplates.h"
+
+// Tasks that run an SkBenchmark once as a check that it doesn't crash.
+
+namespace DM {
+
+class NonRenderingBenchTask : public Task {
+public:
+    NonRenderingBenchTask(const char* config, Reporter*, TaskRunner*, BenchRegistry::Factory);
+
+    virtual void draw() SK_OVERRIDE;
+    virtual bool usesGpu() const SK_OVERRIDE { return false; }
+    virtual bool shouldSkip() const SK_OVERRIDE;
+    virtual SkString name() const SK_OVERRIDE { return fName; }
+
+private:
+    SkAutoTDelete<SkBenchmark> fBench;
+    const SkString fName;
+};
+
+class CpuBenchTask : public Task {
+public:
+    CpuBenchTask(const char* config, Reporter*, TaskRunner*, BenchRegistry::Factory, SkColorType);
+
+    virtual void draw() SK_OVERRIDE;
+    virtual bool usesGpu() const SK_OVERRIDE { return false; }
+    virtual bool shouldSkip() const SK_OVERRIDE;
+    virtual SkString name() const SK_OVERRIDE { return fName; }
+
+private:
+    SkAutoTDelete<SkBenchmark> fBench;
+    const SkString fName;
+    const SkColorType fColorType;
+};
+
+class GpuBenchTask : public Task {
+public:
+    GpuBenchTask(const char* config,
+                 Reporter*,
+                 TaskRunner*,
+                 BenchRegistry::Factory,
+                 GrContextFactory::GLContextType,
+                 int sampleCount);
+
+    virtual void draw() SK_OVERRIDE;
+    virtual bool usesGpu() const SK_OVERRIDE { return true; }
+    virtual bool shouldSkip() const SK_OVERRIDE;
+    virtual SkString name() const SK_OVERRIDE { return fName; }
+
+private:
+    SkAutoTDelete<SkBenchmark> fBench;
+    const SkString fName;
+    const GrContextFactory::GLContextType fContextType;
+    int fSampleCount;
+};
+
+}  // namespace DM
+
+#endif // DMBenchTask_DEFINED