Revert of Possible fix to Restore text vertex buffer alloc and other optimizations. (patchset #1 of https://codereview.chromium.org/513863004/)

Reason for revert:
GM failures on http://108.170.220.120:10115/builders/Test-Ubuntu12-ShuttleA-GTX660-x86-Release/builds/1867/

Original issue's description:
> Possible fix to Restore text vertex buffer alloc and other optimizations.
> NOTRY=True
> NOTREECHECKS=True
> TBR=jvanverth@google.com
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/85f94844fc31eddee9cb507377cb3f74c1ed34f2

R=jvanverth@google.com, egdaniel@google.com
TBR=egdaniel@google.com, jvanverth@google.com
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Author: djsollen@google.com

Review URL: https://codereview.chromium.org/516613002
diff --git a/src/gpu/GrDistanceFieldTextContext.cpp b/src/gpu/GrDistanceFieldTextContext.cpp
index 91513c4..6c51d01 100755
--- a/src/gpu/GrDistanceFieldTextContext.cpp
+++ b/src/gpu/GrDistanceFieldTextContext.cpp
@@ -159,7 +159,7 @@
                                                                      lum/255.f,
                                                                      flags));
 #else
-            fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(currTexture,
+            fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(fCurrTexture,
                                                                      params, flags));
 #endif
         }