Possible fix to Restore text vertex buffer alloc and other optimizations.

src/gpu/GrDistanceFieldTextContext.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDistanceFieldTextContext.h"
 #include "GrAtlas.h"
 #include "SkColorFilter.h"
@@ skipping 141 matching lines @@
 #ifdef SK_GAMMA_APPLY_TO_A8
             U8CPU lum = SkColorSpaceLuminance::computeLuminance(fDeviceProperties.fGamma,
                                                                 filteredColor);
             fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(currTexture,
                                                                      params,
                                                                      fGammaTexture,
                                                                      gammaParams,
                                                                      lum/255.f,
                                                                      flags));
 #else
-            fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(fCurrTexture,
+            fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(currTexture,
                                                                      params, flags));
 #endif
         }
         fEffectTextureUniqueID = textureUniqueID;
         fEffectColor = filteredColor;
         fEffectFlags = flags;
     }
     
 }
 
@@ skipping 461 matching lines @@
                                       SkScalarToFixed(x) - (glyph.fAdvanceX >> alignShift),
                                       SkScalarToFixed(y) - (glyph.fAdvanceY >> alignShift),
                                       fontScaler);
             }
             pos += scalarsPerPosition;
         }
     }
 
     this->finish();
 }