Revert of Sketch DM refactor.

dm/DMCpuGMTask.cpp

+#include "DMCpuGMTask.h"
+#include "DMPipeTask.h"
+#include "DMQuiltTask.h"
+#include "DMSerializeTask.h"
+#include "DMUtil.h"
+#include "DMWriteTask.h"
+
+namespace DM {
+
+CpuGMTask::CpuGMTask(const char* config,
+                     Reporter* reporter,
+                     TaskRunner* taskRunner,
+                     skiagm::GMRegistry::Factory gmFactory,
+                     SkColorType colorType)
+    : CpuTask(reporter, taskRunner)
+    , fGMFactory(gmFactory)
+    , fGM(fGMFactory(NULL))
+    , fName(UnderJoin(fGM->getName(), config))
+    , fColorType(colorType)
+    {}
+
+void CpuGMTask::draw() {
+    SkBitmap bm;
+    AllocatePixels(fColorType, fGM->getISize().width(), fGM->getISize().height(), &bm);
+
+    SkCanvas canvas(bm);
+    CanvasPreflight(&canvas);
+    canvas.concat(fGM->getInitialTransform());
+    fGM->draw(&canvas);
+    canvas.flush();
+
+#define SPAWN(ChildTask, ...) this->spawnChild(SkNEW_ARGS(ChildTask, (*this, __VA_ARGS__)))
+    SPAWN(PipeTask, fGMFactory(NULL), bm, PipeTask::kInProcess_Mode);
+    SPAWN(PipeTask, fGMFactory(NULL), bm, PipeTask::kCrossProcess_Mode);
+    SPAWN(PipeTask, fGMFactory(NULL), bm, PipeTask::kSharedAddress_Mode);
+
+    SPAWN(QuiltTask, fGMFactory(NULL), bm, QuiltTask::kNone_BBH);
+    SPAWN(QuiltTask, fGMFactory(NULL), bm, QuiltTask::kRTree_BBH);
+
+    SPAWN(SerializeTask, fGMFactory(NULL), bm);
+
+    SPAWN(WriteTask, "GM", bm);
+#undef SPAWN
+}
+
+bool CpuGMTask::shouldSkip() const {
+    if (kRGB_565_SkColorType == fColorType && (fGM->getFlags() & skiagm::GM::kSkip565_Flag)) {
+        return true;
+    }
+    if (fGM->getFlags() & skiagm::GM::kGPUOnly_Flag) {
+        return true;
+    }
+    return false;
+}
+
+}  // namespace DM