DM: make GPU tasks multithreaded again. Big refactor.

dm/DMCpuTask.h

Index: dm/DMCpuTask.h
diff --git a/dm/DMCpuTask.h b/dm/DMCpuTask.h
deleted file mode 100644
index 0ae112f7549a538f99b5fa3ea93d5d4328f7016c..0000000000000000000000000000000000000000
--- a/dm/DMCpuTask.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#ifndef DMCpuTask_DEFINED
-#define DMCpuTask_DEFINED
-
-#include "DMExpectations.h"
-#include "DMReporter.h"
-#include "DMTask.h"
-#include "DMTaskRunner.h"
-#include "SkBitmap.h"
-#include "SkString.h"
-#include "SkTemplates.h"
-#include "gm.h"
-
-// This is the main entry point for drawing GMs with the CPU.  Commandline
-// flags control whether this kicks off various comparison tasks when done.
-
-namespace DM {
-
-class CpuTask : public Task {
-public:
-    CpuTask(const char* config,
-            Reporter*,
-            TaskRunner*,
-            const Expectations&,
-            skiagm::GMRegistry::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:
-    skiagm::GMRegistry::Factory fGMFactory;
-    SkAutoTDelete<skiagm::GM> fGM;
-    const SkString fName;
-    const Expectations& fExpectations;
-    const SkColorType fColorType;
-};
-
-}  // namespace DM
-
-#endif // DMCpuTask_DEFINED