Remove SkTileGrid (except for TileGridInfo).

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,
@@ skipping 18 matching lines @@
     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(QuiltTask, fGMFactory(NULL), bm, QuiltTask::kTileGrid_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