Revert of BitmapTextBatch and BitmapTextBlob

src/gpu/GrBatchAtlas.cpp

Index: src/gpu/GrBatchAtlas.cpp
diff --git a/src/gpu/GrBatchAtlas.cpp b/src/gpu/GrBatchAtlas.cpp
index 3374e00a9f7080f143057c792abdca4dfe992ef6..566cd5d922ca58c0575d9fef4597bae6de77da8d 100644
--- a/src/gpu/GrBatchAtlas.cpp
+++ b/src/gpu/GrBatchAtlas.cpp
@@ -227,8 +227,7 @@
     , fNumPlotsX(numPlotsX)
     , fNumPlotsY(numPlotsY)
     , fPlotWidth(texture->width() / numPlotsX)
-    , fPlotHeight(texture->height() / numPlotsY)
-    , fAtlasGeneration(kInvalidAtlasGeneration + 1) {
+    , fPlotHeight(texture->height() / numPlotsY) {
     SkASSERT(fPlotWidth * fNumPlotsX == texture->width());
     SkASSERT(fPlotHeight * fNumPlotsY == texture->height());
 
@@ -244,7 +243,7 @@
         for (int x = fNumPlotsX - 1, c = 0; x >= 0; --x, ++c) {
             int id = r * fNumPlotsX + c;
             currPlot->reset(SkNEW(BatchPlot));
-            (*currPlot)->init(this, texture, id, 1, x, y, fPlotWidth, fPlotHeight, fBPP);
+            (*currPlot)->init(this, texture, id, 0, x, y, fPlotWidth, fPlotHeight, fBPP);
 
             // build LRU list
             fPlotList.addToHead(currPlot->get());
@@ -319,7 +318,6 @@
         SkDEBUGCODE(bool verify = )plot->addSubImage(width, height, image, loc, fBPP * width);
         SkASSERT(verify);
         this->updatePlot(batchTarget, id, plot);
-        fAtlasGeneration++;
         return true;
     }
 
@@ -354,7 +352,6 @@
     batchTarget->upload(uploader);
     *id = newPlot->id();
     plot->unref();
-    fAtlasGeneration++;
     return true;
 }