Remove SkTileGrid (except for TileGridInfo).

tests/RecordingXfermodeTest.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Test.h"
 
 #include "../include/core/SkCanvas.h"
@@ skipping 89 matching lines @@
  public:
     PictureStrategy(const SkImageInfo& imageInfo) {
         fBitmap.allocPixels(imageInfo);
         fWidth  = imageInfo.width();
         fHeight = imageInfo.height();
     }
 
     virtual const SkBitmap& recordAndReplay(const Drawer& drawer,
                                             const SkRect& intoClip,
                                             SkXfermode::Mode mode) {
-        SkTileGridFactory::TileGridInfo tileGridInfo = { {100,100}, {0,0}, {0,0} };
-        SkTileGridFactory factory(tileGridInfo);
+        SkRTreeFactory factory;
         SkPictureRecorder recorder;
         SkRect canvasRect(SkRect::MakeWH(SkIntToScalar(fWidth),SkIntToScalar(fHeight)));
         SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(fWidth),
                                                    SkIntToScalar(fHeight),
                                                    &factory);
         drawer.draw(canvas, canvasRect, mode);
         SkAutoTUnref<SkPicture> picture(recorder.endRecording());
 
         SkCanvas replayCanvas(fBitmap);
         replayCanvas.clear(0xffffffff);
@@ skipping 43 matching lines @@
             errors.appendf("For SkXfermode %d %s:    SkPictureRecorder bitmap is wrong\n",
                            iMode, SkXfermode::ModeName(mode));
         }
 #endif
     }
 
 #if !FINEGRAIN
     REPORTER_ASSERT_MESSAGE(reporter, 0 == numErrors, errors.c_str());
 #endif
 }